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Vulnerability Details :

CVE-2021-39923

Summary
Assigner-GitLab
Assigner Org ID-ceab7361-8a18-47b1-92ba-4d7d25f6715a
Published At-19 Nov, 2021 | 16:31
Updated At-04 Aug, 2024 | 02:20
Rejected At-
Credits

Large loop in the PNRP dissector in Wireshark 3.4.0 to 3.4.9 and 3.2.0 to 3.2.17 allows denial of service via packet injection or crafted capture file

Vendors
-
Not available
Products
-
Metrics (CVSS)
VersionBase scoreBase severityVector
Weaknesses
Attack Patterns
Solution/Workaround
References
HyperlinkResource Type
EPSS History
Score
Latest Score
-
N/A
No data available for selected date range
Percentile
Latest Percentile
-
N/A
No data available for selected date range
Stakeholder-Specific Vulnerability Categorization (SSVC)
▼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:GitLab
Assigner Org ID:ceab7361-8a18-47b1-92ba-4d7d25f6715a
Published At:19 Nov, 2021 | 16:31
Updated At:04 Aug, 2024 | 02:20
Rejected At:
▼CVE Numbering Authority (CNA)

Large loop in the PNRP dissector in Wireshark 3.4.0 to 3.4.9 and 3.2.0 to 3.2.17 allows denial of service via packet injection or crafted capture file

Affected Products
Vendor
Wireshark FoundationWireshark Foundation
Product
Wireshark
Versions
Affected
  • >=3.2.0, <3.2.18
  • >=3.4.0, <3.4.10
Problem Types
TypeCWE IDDescription
textN/AExcessive iteration in Wireshark
Type: text
CWE ID: N/A
Description: Excessive iteration in Wireshark
Metrics
VersionBase scoreBase severityVector
3.17.5HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Version: 3.1
Base score: 7.5
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39923.json
x_refsource_CONFIRM
https://www.wireshark.org/security/wnpa-sec-2021-11.html
x_refsource_MISC
https://gitlab.com/wireshark/wireshark/-/issues/17684
x_refsource_MISC
https://www.debian.org/security/2021/dsa-5019
vendor-advisory
x_refsource_DEBIAN
https://lists.debian.org/debian-lts-announce/2021/12/msg00015.html
mailing-list
x_refsource_MLIST
Hyperlink: https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39923.json
Resource:
x_refsource_CONFIRM
Hyperlink: https://www.wireshark.org/security/wnpa-sec-2021-11.html
Resource:
x_refsource_MISC
Hyperlink: https://gitlab.com/wireshark/wireshark/-/issues/17684
Resource:
x_refsource_MISC
Hyperlink: https://www.debian.org/security/2021/dsa-5019
Resource:
vendor-advisory
x_refsource_DEBIAN
Hyperlink: https://lists.debian.org/debian-lts-announce/2021/12/msg00015.html
Resource:
mailing-list
x_refsource_MLIST
▼Authorized Data Publishers (ADP)
CVE Program Container
Affected Products
Metrics
VersionBase scoreBase severityVector
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Configurations

Workarounds

Exploits

Credits

Timeline
EventDate
Replaced By

Rejected Reason

References
HyperlinkResource
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39923.json
x_refsource_CONFIRM
x_transferred
https://www.wireshark.org/security/wnpa-sec-2021-11.html
x_refsource_MISC
x_transferred
https://gitlab.com/wireshark/wireshark/-/issues/17684
x_refsource_MISC
x_transferred
https://www.debian.org/security/2021/dsa-5019
vendor-advisory
x_refsource_DEBIAN
x_transferred
https://lists.debian.org/debian-lts-announce/2021/12/msg00015.html
mailing-list
x_refsource_MLIST
x_transferred
Hyperlink: https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39923.json
Resource:
x_refsource_CONFIRM
x_transferred
Hyperlink: https://www.wireshark.org/security/wnpa-sec-2021-11.html
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://gitlab.com/wireshark/wireshark/-/issues/17684
Resource:
x_refsource_MISC
x_transferred
Hyperlink: https://www.debian.org/security/2021/dsa-5019
Resource:
vendor-advisory
x_refsource_DEBIAN
x_transferred
Hyperlink: https://lists.debian.org/debian-lts-announce/2021/12/msg00015.html
Resource:
mailing-list
x_refsource_MLIST
x_transferred
Information is not available yet
▼National Vulnerability Database (NVD)
nvd.nist.gov
Source:cve@gitlab.com
Published At:19 Nov, 2021 | 17:15
Updated At:09 Mar, 2022 | 21:42

Large loop in the PNRP dissector in Wireshark 3.4.0 to 3.4.9 and 3.2.0 to 3.2.17 allows denial of service via packet injection or crafted capture file

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Primary3.17.5HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Secondary3.17.5HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Primary2.05.0MEDIUM
AV:N/AC:L/Au:N/C:N/I:N/A:P
Type: Primary
Version: 3.1
Base score: 7.5
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Type: Secondary
Version: 3.1
Base score: 7.5
Base severity: HIGH
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Type: Primary
Version: 2.0
Base score: 5.0
Base severity: MEDIUM
Vector:
AV:N/AC:L/Au:N/C:N/I:N/A:P
CPE Matches

Wireshark Foundation
wireshark
>>wireshark>>Versions from 3.2.0(inclusive) to 3.2.17(inclusive)
cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*
Wireshark Foundation
wireshark
>>wireshark>>Versions from 3.4.0(inclusive) to 3.4.9(inclusive)
cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*
Debian GNU/Linux
debian
>>debian_linux>>10.0
cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
Debian GNU/Linux
debian
>>debian_linux>>11.0
cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
Debian GNU/Linux
debian
>>debian_linux>>9.0
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-834Primarynvd@nist.gov
CWE ID: CWE-834
Type: Primary
Source: nvd@nist.gov
Evaluator Description

Evaluator Impact

Evaluator Solution

Vendor Statements

References
HyperlinkSourceResource
https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39923.jsoncve@gitlab.com
Third Party Advisory
https://gitlab.com/wireshark/wireshark/-/issues/17684cve@gitlab.com
Issue Tracking
Patch
Vendor Advisory
https://lists.debian.org/debian-lts-announce/2021/12/msg00015.htmlcve@gitlab.com
Mailing List
Third Party Advisory
https://www.debian.org/security/2021/dsa-5019cve@gitlab.com
Third Party Advisory
https://www.wireshark.org/security/wnpa-sec-2021-11.htmlcve@gitlab.com
Vendor Advisory
Hyperlink: https://gitlab.com/gitlab-org/cves/-/blob/master/2021/CVE-2021-39923.json
Source: cve@gitlab.com
Resource:
Third Party Advisory
Hyperlink: https://gitlab.com/wireshark/wireshark/-/issues/17684
Source: cve@gitlab.com
Resource:
Issue Tracking
Patch
Vendor Advisory
Hyperlink: https://lists.debian.org/debian-lts-announce/2021/12/msg00015.html
Source: cve@gitlab.com
Resource:
Mailing List
Third Party Advisory
Hyperlink: https://www.debian.org/security/2021/dsa-5019
Source: cve@gitlab.com
Resource:
Third Party Advisory
Hyperlink: https://www.wireshark.org/security/wnpa-sec-2021-11.html
Source: cve@gitlab.com
Resource:
Vendor Advisory

Change History

0
Information is not available yet

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Heap overflow in push_back_helper due to a CDR message

eprosima Fast DDS is a C++ implementation of the Data Distribution Service standard of the Object Management Group. Prior to versions 2.11.1, 2.10.2, 2.9.2, and 2.6.6, heap can be overflowed by providing a PID_PROPERTY_LIST parameter that contains a CDR string with length larger than the size of actual content. In `eprosima::fastdds::dds::ParameterPropertyList_t::push_back_helper`, `memcpy` is called to first copy the octet'ized length and then to copy the data into `properties_.data`. At the second memcpy, both `data` and `size` can be controlled by anyone that sends the CDR string to the discovery multicast port. This can remotely crash any Fast-DDS process. Versions 2.11.1, 2.10.2, 2.9.2, and 2.6.6 contain a patch for this issue.

Action-Not Available
Vendor-eprosimaeProsimaDebian GNU/Linux
Product-fast_ddsdebian_linuxFast-DDS
CWE ID-CWE-122
Heap-based Buffer Overflow
CWE ID-CWE-787
Out-of-bounds Write
CVE-2018-14367
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.56% / 67.88%
||
7 Day CHG~0.00%
Published-19 Jul, 2018 | 02:00
Updated-05 Aug, 2024 | 09:29
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

In Wireshark 2.6.0 to 2.6.1 and 2.4.0 to 2.4.7, the CoAP protocol dissector could crash. This was addressed in epan/dissectors/packet-coap.c by properly checking for a NULL condition.

Action-Not Available
Vendor-n/aWireshark Foundation
Product-wiresharkn/a
CWE ID-CWE-252
Unchecked Return Value
CVE-2018-14598
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-3.14% / 86.57%
||
7 Day CHG~0.00%
Published-24 Aug, 2018 | 19:00
Updated-05 Aug, 2024 | 09:29
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

An issue was discovered in XListExtensions in ListExt.c in libX11 through 1.6.5. A malicious server can send a reply in which the first string overflows, causing a variable to be set to NULL that will be freed later on, leading to DoS (segmentation fault).

Action-Not Available
Vendor-n/aFedora ProjectDebian GNU/LinuxCanonical Ltd.X.Org Foundation
Product-debian_linuxlibx11fedoraubuntu_linuxn/a
CWE ID-CWE-20
Improper Input Validation
CVE-2018-14466
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-2.00% / 83.35%
||
7 Day CHG~0.00%
Published-03 Oct, 2019 | 15:22
Updated-05 Aug, 2024 | 09:29
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The Rx parser in tcpdump before 4.9.3 has a buffer over-read in print-rx.c:rx_cache_find() and rx_cache_insert().

Action-Not Available
Vendor-n/aDebian GNU/LinuxApple Inc.Fedora Projecttcpdump & libpcapopenSUSERed Hat, Inc.
Product-debian_linuxfedoraenterprise_linuxmac_os_xleaptcpdumpn/a
CWE ID-CWE-125
Out-of-bounds Read
CVE-2018-14369
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.83% / 74.10%
||
7 Day CHG~0.00%
Published-19 Jul, 2018 | 02:00
Updated-05 Aug, 2024 | 09:29
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

In Wireshark 2.6.0 to 2.6.1, 2.4.0 to 2.4.7, and 2.2.0 to 2.2.15, the HTTP2 dissector could crash. This was addressed in epan/dissectors/packet-http2.c by verifying that header data was found before proceeding to header decompression.

Action-Not Available
Vendor-n/aWireshark FoundationDebian GNU/Linux
Product-wiresharkdebian_linuxn/a
CWE ID-CWE-20
Improper Input Validation
CVE-2023-39945
Matching Score-8
Assigner-GitHub, Inc.
ShareView Details
Matching Score-8
Assigner-GitHub, Inc.
CVSS Score-8.2||HIGH
EPSS-0.09% / 24.85%
||
7 Day CHG~0.00%
Published-11 Aug, 2023 | 13:21
Updated-13 Feb, 2025 | 17:03
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Malformed serialized data in a data submessage leads to unhandled exception

eprosima Fast DDS is a C++ implementation of the Data Distribution Service standard of the Object Management Group. Prior to versions 2.11.0, 2.10.2, 2.9.2, and 2.6.5, a data submessage sent to PDP port raises unhandled `BadParamException` in fastcdr, which in turn crashes fastdds. Versions 2.11.0, 2.10.2, 2.9.2, and 2.6.5 contain a patch for this issue.

Action-Not Available
Vendor-eprosimaeProsimaDebian GNU/Linux
Product-fast_ddsdebian_linuxFast-DDS
CWE ID-CWE-248
Uncaught Exception
CVE-2021-46828
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-1.20% / 78.57%
||
7 Day CHG~0.00%
Published-20 Jul, 2022 | 00:00
Updated-05 May, 2025 | 17:17
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

In libtirpc before 1.3.3rc1, remote attackers could exhaust the file descriptors of a process that uses libtirpc because idle TCP connections are mishandled. This can, in turn, lead to an svc_run infinite loop without accepting new connections.

Action-Not Available
Vendor-libtirpc_projectn/aDebian GNU/Linux
Product-libtirpcdebian_linuxn/a
CWE ID-CWE-755
Improper Handling of Exceptional Conditions
CWE ID-CWE-835
Loop with Unreachable Exit Condition ('Infinite Loop')
CVE-2021-46669
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.57% / 68.02%
||
7 Day CHG~0.00%
Published-01 Feb, 2022 | 01:46
Updated-04 Aug, 2024 | 05:17
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

MariaDB through 10.5.9 allows attackers to trigger a convert_const_to_int use-after-free when the BIGINT data type is used.

Action-Not Available
Vendor-n/aMariaDB FoundationDebian GNU/LinuxFedora Project
Product-debian_linuxfedoramariadbn/a
CWE ID-CWE-416
Use After Free
CVE-2018-14883
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-20.29% / 95.36%
||
7 Day CHG~0.00%
Published-03 Aug, 2018 | 13:00
Updated-05 Aug, 2024 | 09:46
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

An issue was discovered in PHP before 5.6.37, 7.0.x before 7.0.31, 7.1.x before 7.1.20, and 7.2.x before 7.2.8. An Integer Overflow leads to a heap-based buffer over-read in exif_thumbnail_extract of exif.c.

Action-Not Available
Vendor-n/aNetApp, Inc.Canonical Ltd.Debian GNU/LinuxThe PHP Group
Product-ubuntu_linuxphpdebian_linuxstorage_automation_storen/a
CWE ID-CWE-125
Out-of-bounds Read
CWE ID-CWE-190
Integer Overflow or Wraparound
CVE-2023-40589
Matching Score-8
Assigner-GitHub, Inc.
ShareView Details
Matching Score-8
Assigner-GitHub, Inc.
CVSS Score-4.3||MEDIUM
EPSS-0.14% / 34.90%
||
7 Day CHG~0.00%
Published-31 Aug, 2023 | 18:31
Updated-03 Nov, 2025 | 21:16
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
FreeRDP Global-Buffer-Overflow in ncrush_decompress

FreeRDP is a free implementation of the Remote Desktop Protocol (RDP), released under the Apache license. In affected versions there is a Global-Buffer-Overflow in the ncrush_decompress function. Feeding crafted input into this function can trigger the overflow which has only been shown to cause a crash. This issue has been addressed in versions 2.11.0 and 3.0.0-beta3. Users are advised to upgrade. There are no known workarounds for this issue.

Action-Not Available
Vendor-Fedora ProjectFreeRDPDebian GNU/Linux
Product-fedoradebian_linuxfreerdpFreeRDP
CWE ID-CWE-120
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CVE-2018-14461
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.34% / 55.83%
||
7 Day CHG~0.00%
Published-03 Oct, 2019 | 15:09
Updated-03 Dec, 2025 | 21:15
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The LDP parser in tcpdump before 4.9.3 has a buffer over-read in print-ldp.c:ldp_tlv_print().

Action-Not Available
Vendor-n/aApple Inc.Fedora Projecttcpdump & libpcapRed Hat, Inc.Debian GNU/LinuxopenSUSE
Product-tcpdumpenterprise_linuxfedoraleapmac_os_xdebian_linuxn/a
CWE ID-CWE-125
Out-of-bounds Read
CVE-2021-44716
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.10% / 26.66%
||
7 Day CHG~0.00%
Published-01 Jan, 2022 | 00:00
Updated-04 Aug, 2024 | 04:32
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

net/http in Go before 1.16.12 and 1.17.x before 1.17.5 allows uncontrolled memory consumption in the header canonicalization cache via HTTP/2 requests.

Action-Not Available
Vendor-n/aNetApp, Inc.GoDebian GNU/Linux
Product-gocloud_insights_telegrafdebian_linuxn/a
CWE ID-CWE-400
Uncontrolled Resource Consumption
CVE-2019-19956
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.15% / 36.17%
||
7 Day CHG~0.00%
Published-24 Dec, 2019 | 15:12
Updated-03 Dec, 2025 | 19:15
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

xmlParseBalancedChunkMemoryRecover in parser.c in libxml2 before 2.9.10 has a memory leak related to newDoc->oldNs.

Action-Not Available
Vendor-n/aOracle CorporationNetApp, Inc.Canonical Ltd.Fedora ProjectDebian GNU/Linuxlibxml2 (XMLSoft)Siemens AG
Product-libxml2ubuntu_linuxclustered_data_ontapfedoraclustered_data_ontap_antivirus_connectordebian_linuxsteelstore_cloud_integrated_storagemanageability_software_development_kitontap_select_deploy_administration_utilitysinema_remote_connect_serveractive_iq_unified_managerreal_user_experience_insightn/a
CWE ID-CWE-401
Missing Release of Memory after Effective Lifetime
CWE ID-CWE-772
Missing Release of Resource after Effective Lifetime
CVE-2018-14647
Matching Score-8
Assigner-Red Hat, Inc.
ShareView Details
Matching Score-8
Assigner-Red Hat, Inc.
CVSS Score-5.3||MEDIUM
EPSS-1.90% / 82.88%
||
7 Day CHG~0.00%
Published-25 Sep, 2018 | 00:00
Updated-05 Aug, 2024 | 09:38
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Python's elementtree C accelerator failed to initialise Expat's hash salt during initialization. This could make it easy to conduct denial of service attacks against Expat by constructing an XML document that would cause pathological hash collisions in Expat's internal data structures, consuming large amounts CPU and RAM. The vulnerability exists in Python versions 3.7.0, 3.6.0 through 3.6.6, 3.5.0 through 3.5.6, 3.4.0 through 3.4.9, 2.7.0 through 2.7.15.

Action-Not Available
Vendor-Canonical Ltd.openSUSERed Hat, Inc.Python Software FoundationDebian GNU/LinuxFedora Project
Product-enterprise_linux_serverubuntu_linuxdebian_linuxenterprise_linux_workstationfedoraenterprise_linux_desktoppythonleapPython
CWE ID-CWE-335
Incorrect Usage of Seeds in Pseudo-Random Number Generator (PRNG)
CWE ID-CWE-665
Improper Initialization
CWE ID-CWE-909
Missing Initialization of Resource
CVE-2018-14882
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-9.8||CRITICAL
EPSS-2.38% / 84.66%
||
7 Day CHG~0.00%
Published-03 Oct, 2019 | 15:41
Updated-03 Dec, 2025 | 21:15
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The ICMPv6 parser in tcpdump before 4.9.3 has a buffer over-read in print-icmp6.c.

Action-Not Available
Vendor-n/aApple Inc.openSUSEFedora ProjectRed Hat, Inc.Debian GNU/LinuxF5, Inc.tcpdump & libpcap
Product-tcpdumpenterprise_linuxtraffix_signaling_delivery_controllerleapfedoramac_os_xdebian_linuxn/a
CWE ID-CWE-125
Out-of-bounds Read
CVE-2018-14624
Matching Score-8
Assigner-Red Hat, Inc.
ShareView Details
Matching Score-8
Assigner-Red Hat, Inc.
CVSS Score-7.5||HIGH
EPSS-1.48% / 80.66%
||
7 Day CHG~0.00%
Published-06 Sep, 2018 | 13:00
Updated-05 Aug, 2024 | 09:29
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A vulnerability was discovered in 389-ds-base through versions 1.3.7.10, 1.3.8.8 and 1.4.0.16. The lock controlling the error log was not correctly used when re-opening the log file in log__error_emergency(). An attacker could send a flood of modifications to a very large DN, which would cause slapd to crash.

Action-Not Available
Vendor-[UNKNOWN]Debian GNU/LinuxRed Hat, Inc.Fedora Project
Product-enterprise_linux_serverdebian_linux389_directory_serverenterprise_linux_server_eusenterprise_linux_server_ausenterprise_linux_workstationenterprise_linux_server_tusenterprise_linux_desktop389-ds-base
CWE ID-CWE-20
Improper Input Validation
CVE-2018-14462
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-2.28% / 84.37%
||
7 Day CHG~0.00%
Published-03 Oct, 2019 | 15:11
Updated-03 Dec, 2025 | 21:15
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The ICMP parser in tcpdump before 4.9.3 has a buffer over-read in print-icmp.c:icmp_print().

Action-Not Available
Vendor-n/aApple Inc.Fedora Projecttcpdump & libpcapRed Hat, Inc.Debian GNU/LinuxF5, Inc.openSUSE
Product-tcpdumpenterprise_linuxtraffix_signaling_delivery_controllerleapfedoramac_os_xdebian_linuxn/a
CWE ID-CWE-125
Out-of-bounds Read
CVE-2018-14343
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.58% / 68.42%
||
7 Day CHG~0.00%
Published-19 Jul, 2018 | 02:00
Updated-05 Aug, 2024 | 09:21
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

In Wireshark 2.6.0 to 2.6.1, 2.4.0 to 2.4.7, and 2.2.0 to 2.2.15, the ASN.1 BER dissector could crash. This was addressed in epan/dissectors/packet-ber.c by ensuring that length values do not exceed the maximum signed integer.

Action-Not Available
Vendor-n/aWireshark FoundationDebian GNU/Linux
Product-wiresharkdebian_linuxn/a
CWE ID-CWE-190
Integer Overflow or Wraparound
CVE-2018-14463
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.62% / 69.46%
||
7 Day CHG~0.00%
Published-03 Oct, 2019 | 15:12
Updated-05 Aug, 2024 | 09:29
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The VRRP parser in tcpdump before 4.9.3 has a buffer over-read in print-vrrp.c:vrrp_print() for VRRP version 2, a different vulnerability than CVE-2019-15167.

Action-Not Available
Vendor-n/aDebian GNU/LinuxApple Inc.tcpdump & libpcapFedora ProjectRed Hat, Inc.openSUSEF5, Inc.
Product-debian_linuxfedoraenterprise_linuxmac_os_xtraffix_signaling_delivery_controllertcpdumpleapn/a
CWE ID-CWE-125
Out-of-bounds Read
CVE-2018-14344
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.56% / 67.88%
||
7 Day CHG~0.00%
Published-19 Jul, 2018 | 02:00
Updated-05 Aug, 2024 | 09:21
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

In Wireshark 2.6.0 to 2.6.1, 2.4.0 to 2.4.7, and 2.2.0 to 2.2.15, the ISMP dissector could crash. This was addressed in epan/dissectors/packet-ismp.c by validating the IPX address length to avoid a buffer over-read.

Action-Not Available
Vendor-n/aWireshark Foundation
Product-wiresharkn/a
CWE ID-CWE-125
Out-of-bounds Read
CVE-2023-39949
Matching Score-8
Assigner-GitHub, Inc.
ShareView Details
Matching Score-8
Assigner-GitHub, Inc.
CVSS Score-7.5||HIGH
EPSS-0.11% / 30.02%
||
7 Day CHG~0.00%
Published-11 Aug, 2023 | 13:55
Updated-13 Feb, 2025 | 17:03
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Improper validation of sequence numbers leading to remotely reachable assertion failure

eprosima Fast DDS is a C++ implementation of the Data Distribution Service standard of the Object Management Group. Prior to versions 2.9.1 and 2.6.5, improper validation of sequence numbers may lead to remotely reachable assertion failure. This can remotely crash any Fast-DDS process. Versions 2.9.1 and 2.6.5 contain a patch for this issue.

Action-Not Available
Vendor-eprosimaeProsimaDebian GNU/Linux
Product-fast_ddsdebian_linuxFast-DDS
CWE ID-CWE-617
Reachable Assertion
CVE-2018-14340
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-1.09% / 77.58%
||
7 Day CHG~0.00%
Published-19 Jul, 2018 | 02:00
Updated-05 Aug, 2024 | 09:21
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

In Wireshark 2.6.0 to 2.6.1, 2.4.0 to 2.4.7, and 2.2.0 to 2.2.15, dissectors that support zlib decompression could crash. This was addressed in epan/tvbuff_zlib.c by rejecting negative lengths to avoid a buffer over-read.

Action-Not Available
Vendor-n/aWireshark FoundationDebian GNU/Linux
Product-wiresharkdebian_linuxn/a
CWE ID-CWE-125
Out-of-bounds Read
CVE-2018-14339
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-1.72% / 82.05%
||
7 Day CHG~0.00%
Published-19 Jul, 2018 | 02:00
Updated-05 Aug, 2024 | 09:21
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

In Wireshark 2.6.0 to 2.6.1, 2.4.0 to 2.4.7, and 2.2.0 to 2.2.15, the MMSE dissector could go into an infinite loop. This was addressed in epan/proto.c by adding offset and length validation.

Action-Not Available
Vendor-n/aWireshark FoundationDebian GNU/Linux
Product-wiresharkdebian_linuxn/a
CWE ID-CWE-835
Loop with Unreachable Exit Condition ('Infinite Loop')
CWE ID-CWE-20
Improper Input Validation
CVE-2018-14404
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-6.5||MEDIUM
EPSS-20.01% / 95.32%
||
7 Day CHG~0.00%
Published-19 Jul, 2018 | 13:00
Updated-03 Dec, 2025 | 21:15
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

A NULL pointer dereference vulnerability exists in the xpath.c:xmlXPathCompOpEval() function of libxml2 through 2.9.8 when parsing an invalid XPath expression in the XPATH_OP_AND or XPATH_OP_OR case. Applications processing untrusted XSL format inputs with the use of the libxml2 library may be vulnerable to a denial of service attack due to a crash of the application.

Action-Not Available
Vendor-n/aCanonical Ltd.Debian GNU/Linuxlibxml2 (XMLSoft)
Product-libxml2ubuntu_linuxdebian_linuxn/a
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2025-47287
Matching Score-8
Assigner-GitHub, Inc.
ShareView Details
Matching Score-8
Assigner-GitHub, Inc.
CVSS Score-7.5||HIGH
EPSS-0.34% / 56.15%
||
7 Day CHG~0.00%
Published-15 May, 2025 | 21:17
Updated-23 Dec, 2025 | 19:19
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Tornado vulnerable to excessive logging caused by malformed multipart form data

Tornado is a Python web framework and asynchronous networking library. When Tornado's ``multipart/form-data`` parser encounters certain errors, it logs a warning but continues trying to parse the remainder of the data. This allows remote attackers to generate an extremely high volume of logs, constituting a DoS attack. This DoS is compounded by the fact that the logging subsystem is synchronous. All versions of Tornado prior to 6.5.0 are affected. The vulnerable parser is enabled by default. Upgrade to Tornado version 6.50 to receive a patch. As a workaround, risk can be mitigated by blocking `Content-Type: multipart/form-data` in a proxy.

Action-Not Available
Vendor-tornadowebtornadowebDebian GNU/Linux
Product-debian_linuxtornadotornado
CWE ID-CWE-770
Allocation of Resources Without Limits or Throttling
CVE-2021-41054
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.58% / 68.35%
||
7 Day CHG~0.00%
Published-13 Sep, 2021 | 20:43
Updated-04 Aug, 2024 | 02:59
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

tftpd_file.c in atftp through 0.7.4 has a buffer overflow because buffer-size handling does not properly consider the combination of data, OACK, and other options.

Action-Not Available
Vendor-atftp_projectn/aDebian GNU/Linux
Product-atftpdebian_linuxn/a
CWE ID-CWE-120
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CVE-2019-18676
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-1.37% / 79.93%
||
7 Day CHG~0.00%
Published-26 Nov, 2019 | 16:23
Updated-05 Aug, 2024 | 01:54
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

An issue was discovered in Squid 3.x and 4.x through 4.8. Due to incorrect input validation, there is a heap-based buffer overflow that can result in Denial of Service to all clients using the proxy. Severity is high due to this vulnerability occurring before normal security checks; any remote client that can reach the proxy port can trivially perform the attack via a crafted URI scheme.

Action-Not Available
Vendor-n/aDebian GNU/LinuxSquid CacheCanonical Ltd.Fedora Project
Product-ubuntu_linuxdebian_linuxfedorasquidn/a
CWE ID-CWE-787
Out-of-bounds Write
CVE-2023-4050
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-7.5||HIGH
EPSS-10.12% / 92.93%
||
7 Day CHG~0.00%
Published-01 Aug, 2023 | 14:58
Updated-13 Feb, 2025 | 17:08
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

In some cases, an untrusted input stream was copied to a stack buffer without checking its size. This resulted in a potentially exploitable crash which could have led to a sandbox escape. This vulnerability affects Firefox < 116, Firefox ESR < 102.14, and Firefox ESR < 115.1.

Action-Not Available
Vendor-Debian GNU/LinuxMozilla Corporation
Product-firefoxdebian_linuxFirefox ESRFirefoxfirefoxfirefox_esr
CWE ID-CWE-787
Out-of-bounds Write
CVE-2018-14370
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.57% / 68.03%
||
7 Day CHG~0.00%
Published-19 Jul, 2018 | 02:00
Updated-05 Aug, 2024 | 09:29
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

In Wireshark 2.6.0 to 2.6.1 and 2.4.0 to 2.4.7, the IEEE 802.11 protocol dissector could crash. This was addressed in epan/crypt/airpdcap.c via bounds checking that prevents a buffer over-read.

Action-Not Available
Vendor-n/aWireshark Foundation
Product-wiresharkn/a
CWE ID-CWE-125
Out-of-bounds Read
CVE-2023-40462
Matching Score-8
Assigner-Sierra Wireless Inc.
ShareView Details
Matching Score-8
Assigner-Sierra Wireless Inc.
CVSS Score-7.5||HIGH
EPSS-0.01% / 1.34%
||
7 Day CHG~0.00%
Published-04 Dec, 2023 | 22:53
Updated-13 Feb, 2025 | 17:17
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Improper input leads to DoS

The ACEManager component of ALEOS 4.16 and earlier does not perform input sanitization during authentication, which could potentially result in a Denial of Service (DoS) condition for ACEManager without impairing other router functions. ACEManager recovers from the DoS condition by restarting within ten seconds of becoming unavailable.

Action-Not Available
Vendor-sierrawirelessSierraWirelessDebian GNU/Linux
Product-es450rv55lx60aleoslx40gx450debian_linuxrv50xmp70ALEOS
CWE ID-CWE-617
Reachable Assertion
CVE-2023-4048
Matching Score-8
Assigner-Mozilla Corporation
ShareView Details
Matching Score-8
Assigner-Mozilla Corporation
CVSS Score-7.5||HIGH
EPSS-0.46% / 63.53%
||
7 Day CHG~0.00%
Published-01 Aug, 2023 | 14:57
Updated-13 Feb, 2025 | 17:08
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

An out-of-bounds read could have led to an exploitable crash when parsing HTML with DOMParser in low memory situations. This vulnerability affects Firefox < 116, Firefox ESR < 102.14, and Firefox ESR < 115.1.

Action-Not Available
Vendor-Debian GNU/LinuxMozilla Corporation
Product-firefoxdebian_linuxFirefox ESRFirefoxfirefoxfirefox_esr
CWE ID-CWE-125
Out-of-bounds Read
CVE-2018-14467
Matching Score-8
Assigner-MITRE Corporation
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Matching Score-8
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.46% / 63.33%
||
7 Day CHG~0.00%
Published-03 Oct, 2019 | 15:24
Updated-03 Dec, 2025 | 21:15
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The BGP parser in tcpdump before 4.9.3 has a buffer over-read in print-bgp.c:bgp_capabilities_print() (BGP_CAPCODE_MP).

Action-Not Available
Vendor-n/aApple Inc.Fedora Projecttcpdump & libpcapRed Hat, Inc.Debian GNU/LinuxopenSUSE
Product-tcpdumpenterprise_linuxfedoraleapmac_os_xdebian_linuxn/a
CWE ID-CWE-125
Out-of-bounds Read
CVE-2018-14465
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-1.76% / 82.26%
||
7 Day CHG~0.00%
Published-03 Oct, 2019 | 15:15
Updated-17 Dec, 2025 | 22:15
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

The RSVP parser in tcpdump before 4.9.3 has a buffer over-read in print-rsvp.c:rsvp_obj_print().

Action-Not Available
Vendor-n/aDebian GNU/LinuxFedora ProjectF5, Inc.openSUSERed Hat, Inc.Apple Inc.tcpdump & libpcap
Product-debian_linuxenterprise_linuxtraffix_signaling_delivery_controllerfedoraleapmac_os_xtcpdumpn/a
CWE ID-CWE-125
Out-of-bounds Read
CVE-2021-43859
Matching Score-8
Assigner-GitHub, Inc.
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Matching Score-8
Assigner-GitHub, Inc.
CVSS Score-7.5||HIGH
EPSS-1.88% / 82.79%
||
7 Day CHG~0.00%
Published-01 Feb, 2022 | 12:08
Updated-03 Nov, 2025 | 22:15
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Denial of Service by injecting highly recursive collections or maps in XStream

XStream is an open source java library to serialize objects to XML and back again. Versions prior to 1.4.19 may allow a remote attacker to allocate 100% CPU time on the target system depending on CPU type or parallel execution of such a payload resulting in a denial of service only by manipulating the processed input stream. XStream 1.4.19 monitors and accumulates the time it takes to add elements to collections and throws an exception if a set threshold is exceeded. Users are advised to upgrade as soon as possible. Users unable to upgrade may set the NO_REFERENCE mode to prevent recursion. See GHSA-rmr5-cpv2-vgjf for further details on a workaround if an upgrade is not possible.

Action-Not Available
Vendor-xstreamx-streamFedora ProjectJenkinsOracle CorporationDebian GNU/Linux
Product-communications_brm_-_elastic_charging_enginecommerce_guided_searchdebian_linuxflexcube_private_bankingcommunications_cloud_native_core_automated_test_suiteretail_xstore_point_of_servicecommunications_policy_managementxstreamjenkinsfedoracommunications_diameter_intelligence_hubxstream
CWE ID-CWE-400
Uncontrolled Resource Consumption
CVE-2023-39947
Matching Score-8
Assigner-GitHub, Inc.
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Matching Score-8
Assigner-GitHub, Inc.
CVSS Score-8.2||HIGH
EPSS-0.10% / 28.75%
||
7 Day CHG~0.00%
Published-11 Aug, 2023 | 13:43
Updated-13 Feb, 2025 | 17:03
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Another heap overflow in push_back_helper

eprosima Fast DDS is a C++ implementation of the Data Distribution Service standard of the Object Management Group. Prior to versions 2.11.1, 2.10.2, 2.9.2, and 2.6.6, even after the fix at commit 3492270, malformed `PID_PROPERTY_LIST` parameters cause heap overflow at a different program counter. This can remotely crash any Fast-DDS process. Versions 2.11.1, 2.10.2, 2.9.2, and 2.6.6 contain a patch for this issue.

Action-Not Available
Vendor-eprosimaeProsimaDebian GNU/Linux
Product-fast_ddsdebian_linuxFast-DDS
CWE ID-CWE-122
Heap-based Buffer Overflow
CWE ID-CWE-787
Out-of-bounds Write
CVE-2019-18976
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.17% / 37.68%
||
7 Day CHG~0.00%
Published-22 Nov, 2019 | 16:59
Updated-05 Aug, 2024 | 02:02
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

An issue was discovered in res_pjsip_t38.c in Sangoma Asterisk through 13.x and Certified Asterisk through 13.21-x. If it receives a re-invite initiating T.38 faxing and has a port of 0 and no c line in the SDP, a NULL pointer dereference and crash will occur. This is different from CVE-2019-18940.

Action-Not Available
Vendor-n/aDebian GNU/LinuxDigium, Inc.
Product-certified_asteriskasteriskdebian_linuxn/a
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2023-39948
Matching Score-8
Assigner-GitHub, Inc.
ShareView Details
Matching Score-8
Assigner-GitHub, Inc.
CVSS Score-7.5||HIGH
EPSS-0.03% / 9.68%
||
7 Day CHG~0.00%
Published-11 Aug, 2023 | 13:51
Updated-13 Feb, 2025 | 17:16
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Uncaught fastcdr exception (Unexpected CDR type received) crashing fastdds

eprosima Fast DDS is a C++ implementation of the Data Distribution Service standard of the Object Management Group. Prior to versions 2.10.0 and 2.6.5, the `BadParamException` thrown by Fast CDR is not caught in Fast DDS. This can remotely crash any Fast DDS process. Versions 2.10.0 and 2.6.5 contain a patch for this issue.

Action-Not Available
Vendor-eprosimaeProsimaDebian GNU/Linux
Product-fast_ddsdebian_linuxFast-DDS
CWE ID-CWE-248
Uncaught Exception
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