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Vulnerability Details :

CVE-2026-7376

Summary
Assigner-GitLab
Assigner Org ID-ceab7361-8a18-47b1-92ba-4d7d25f6715a
Published At-30 Apr, 2026 | 05:04
Updated At-06 May, 2026 | 15:26
Rejected At-
Credits

NULL Pointer Dereference in Wireshark

Crash in sharkd 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

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)
â–¼Common Vulnerabilities and Exposures (CVE)
cve.org
Assigner:GitLab
Assigner Org ID:ceab7361-8a18-47b1-92ba-4d7d25f6715a
Published At:30 Apr, 2026 | 05:04
Updated At:06 May, 2026 | 15:26
Rejected At:
â–¼CVE Numbering Authority (CNA)
NULL Pointer Dereference in Wireshark

Crash in sharkd 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

Affected Products
Vendor
Wireshark FoundationWireshark Foundation
Product
Wireshark
Default Status
unaffected
Versions
Affected
  • From 4.6.0 before 4.6.5 (semver)
  • From 4.4.0 before 4.4.15 (semver)
Problem Types
TypeCWE IDDescription
CWECWE-476CWE-476: NULL Pointer Dereference
Type: CWE
CWE ID: CWE-476
Description: CWE-476: NULL Pointer Dereference
Metrics
VersionBase scoreBase severityVector
3.15.5MEDIUM
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Version: 3.1
Base score: 5.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Metrics Other Info
Impacts
CAPEC IDDescription
Solutions

Upgrade to version 4.6.5 or above

Configurations
Workarounds
Exploits
Credits
finder
Alexandre de Oliveira
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://www.wireshark.org/security/wnpa-sec-2026-48.html
N/A
https://gitlab.com/wireshark/wireshark/-/work_items/21206
N/A
Hyperlink: https://www.wireshark.org/security/wnpa-sec-2026-48.html
Resource: N/A
Hyperlink: https://gitlab.com/wireshark/wireshark/-/work_items/21206
Resource: N/A
â–¼Authorized Data Publishers (ADP)
CISA ADP Vulnrichment
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/wireshark/wireshark/-/work_items/21206
exploit
Hyperlink: https://gitlab.com/wireshark/wireshark/-/work_items/21206
Resource:
exploit
Information is not available yet
â–¼National Vulnerability Database (NVD)
nvd.nist.gov
Source:cve@gitlab.com
Published At:30 Apr, 2026 | 06:16
Updated At:06 May, 2026 | 16:16

Crash in sharkd 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

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
Secondary3.15.5MEDIUM
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Primary3.17.5HIGH
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: 5.5
Base severity: MEDIUM
Vector:
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
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
CPE Matches
Wireshark Foundation
wireshark
>>wireshark>>Versions from 4.4.0(inclusive) to 4.4.15(exclusive)
cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*
Wireshark Foundation
wireshark
>>wireshark>>Versions from 4.6.0(inclusive) to 4.6.5(exclusive)
cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-476Secondarycve@gitlab.com
CWE ID: CWE-476
Type: Secondary
Source: cve@gitlab.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://gitlab.com/wireshark/wireshark/-/work_items/21206cve@gitlab.com
Exploit
Vendor Advisory
https://www.wireshark.org/security/wnpa-sec-2026-48.htmlcve@gitlab.com
Vendor Advisory
https://gitlab.com/wireshark/wireshark/-/work_items/21206134c704f-9b21-4f2e-91b3-4a467353bcc0
Exploit
Vendor Advisory
Hyperlink: https://gitlab.com/wireshark/wireshark/-/work_items/21206
Source: cve@gitlab.com
Resource:
Exploit
Vendor Advisory
Hyperlink: https://www.wireshark.org/security/wnpa-sec-2026-48.html
Source: cve@gitlab.com
Resource:
Vendor Advisory
Hyperlink: https://gitlab.com/wireshark/wireshark/-/work_items/21206
Source: 134c704f-9b21-4f2e-91b3-4a467353bcc0
Resource:
Exploit
Vendor Advisory

Change History

0
Information is not available yet

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Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.63% / 70.36%
||
7 Day CHG~0.00%
Published-05 Jul, 2020 | 10:04
Updated-04 Aug, 2024 | 13:15
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

In Wireshark 3.2.0 to 3.2.4, the GVCP dissector could go into an infinite loop. This was addressed in epan/dissectors/packet-gvcp.c by ensuring that an offset increases in all situations.

Action-Not Available
Vendor-n/aWireshark FoundationDebian GNU/LinuxopenSUSE
Product-wiresharkdebian_linuxleapn/a
CWE ID-CWE-835
Loop with Unreachable Exit Condition ('Infinite Loop')
CVE-2022-0586
Matching Score-8
Assigner-GitLab Inc.
ShareView Details
Matching Score-8
Assigner-GitLab Inc.
CVSS Score-6.3||MEDIUM
EPSS-0.02% / 6.61%
||
7 Day CHG~0.00%
Published-14 Feb, 2022 | 00:00
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

Infinite loop in RTMPT protocol dissector in Wireshark 3.6.0 to 3.6.1 and 3.4.0 to 3.4.11 allows denial of service via packet injection or crafted capture file

Action-Not Available
Vendor-Fedora ProjectDebian GNU/LinuxWireshark Foundation
Product-fedoradebian_linuxwiresharkWireshark
CWE ID-CWE-835
Loop with Unreachable Exit Condition ('Infinite Loop')
CVE-2026-6530
Matching Score-8
Assigner-GitLab Inc.
ShareView Details
Matching Score-8
Assigner-GitLab Inc.
CVSS Score-5.5||MEDIUM
EPSS-0.01% / 0.66%
||
7 Day CHG~0.00%
Published-30 Apr, 2026 | 05:36
Updated-01 May, 2026 | 19:28
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Heap-based Buffer Overflow in Wireshark

DCP-ETSI protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

Action-Not Available
Vendor-Wireshark Foundation
Product-wiresharkWireshark
CWE ID-CWE-122
Heap-based Buffer Overflow
CVE-2022-0581
Matching Score-8
Assigner-GitLab Inc.
ShareView Details
Matching Score-8
Assigner-GitLab Inc.
CVSS Score-6.3||MEDIUM
EPSS-0.07% / 22.15%
||
7 Day CHG~0.00%
Published-14 Feb, 2022 | 00:00
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

Crash in the CMS protocol dissector in Wireshark 3.6.0 to 3.6.1 and 3.4.0 to 3.4.11 allows denial of service via packet injection or crafted capture file

Action-Not Available
Vendor-Fedora ProjectDebian GNU/LinuxWireshark Foundation
Product-fedoradebian_linuxwiresharkWireshark
CWE ID-CWE-416
Use After Free
CVE-2022-0583
Matching Score-8
Assigner-GitLab Inc.
ShareView Details
Matching Score-8
Assigner-GitLab Inc.
CVSS Score-6.3||MEDIUM
EPSS-0.08% / 22.92%
||
7 Day CHG~0.00%
Published-14 Feb, 2022 | 00:00
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

Crash in the PVFS protocol dissector in Wireshark 3.6.0 to 3.6.1 and 3.4.0 to 3.4.11 allows denial of service via packet injection or crafted capture file

Action-Not Available
Vendor-Fedora ProjectDebian GNU/LinuxWireshark Foundation
Product-fedoradebian_linuxwiresharkWireshark
CWE ID-CWE-787
Out-of-bounds Write
CVE-2023-4513
Matching Score-8
Assigner-GitLab Inc.
ShareView Details
Matching Score-8
Assigner-GitLab Inc.
CVSS Score-5.3||MEDIUM
EPSS-0.02% / 6.02%
||
7 Day CHG~0.00%
Published-24 Aug, 2023 | 06:30
Updated-27 Mar, 2026 | 13:56
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Missing Release of Memory after Effective Lifetime in Wireshark

BT SDP dissector memory leak in Wireshark 4.0.0 to 4.0.7 and 3.6.0 to 3.6.15 allows denial of service via packet injection or crafted capture file

Action-Not Available
Vendor-Wireshark Foundation
Product-wiresharkWireshark
CWE ID-CWE-401
Missing Release of Memory after Effective Lifetime
CVE-2021-4182
Matching Score-8
Assigner-GitLab Inc.
ShareView Details
Matching Score-8
Assigner-GitLab Inc.
CVSS Score-7.5||HIGH
EPSS-0.04% / 12.51%
||
7 Day CHG~0.00%
Published-30 Dec, 2021 | 00:00
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

Crash in the RFC 7468 dissector in Wireshark 3.6.0 and 3.4.0 to 3.4.10 allows denial of service via packet injection or crafted capture file

Action-Not Available
Vendor-Fedora ProjectOracle CorporationWireshark Foundation
Product-fedorahttp_serverwiresharkzfs_storage_appliance_kitWireshark
CWE ID-CWE-835
Loop with Unreachable Exit Condition ('Infinite Loop')
CVE-2021-4190
Matching Score-8
Assigner-GitLab Inc.
ShareView Details
Matching Score-8
Assigner-GitLab Inc.
CVSS Score-7.5||HIGH
EPSS-0.12% / 30.47%
||
7 Day CHG~0.00%
Published-30 Dec, 2021 | 00:00
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

Large loop in the Kafka dissector in Wireshark 3.6.0 allows denial of service via packet injection or crafted capture file

Action-Not Available
Vendor-Fedora ProjectWireshark Foundation
Product-fedorawiresharkWireshark
CWE ID-CWE-834
Excessive Iteration
CVE-2021-4183
Matching Score-8
Assigner-GitLab Inc.
ShareView Details
Matching Score-8
Assigner-GitLab Inc.
CVSS Score-5.5||MEDIUM
EPSS-0.18% / 39.67%
||
7 Day CHG~0.00%
Published-30 Dec, 2021 | 00:00
Updated-03 Aug, 2024 | 17:16
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Crash in the pcapng file parser in Wireshark 3.6.0 allows denial of service via crafted capture file

Action-Not Available
Vendor-Wireshark FoundationOracle CorporationFedora Project
Product-wiresharkhttp_serverfedorazfs_storage_appliance_kitWireshark
CWE ID-CWE-125
Out-of-bounds Read
CVE-2021-4181
Matching Score-8
Assigner-GitLab Inc.
ShareView Details
Matching Score-8
Assigner-GitLab Inc.
CVSS Score-7.5||HIGH
EPSS-0.18% / 39.00%
||
7 Day CHG~0.00%
Published-30 Dec, 2021 | 00:00
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

Crash in the Sysdig Event dissector in Wireshark 3.6.0 and 3.4.0 to 3.4.10 allows denial of service via packet injection or crafted capture file

Action-Not Available
Vendor-Fedora ProjectOracle CorporationDebian GNU/LinuxWireshark Foundation
Product-http_serverdebian_linuxwiresharkfedorazfs_storage_appliance_kitWireshark
CWE ID-CWE-125
Out-of-bounds Read
CVE-2019-10895
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-12.45% / 93.94%
||
7 Day CHG~0.00%
Published-09 Apr, 2019 | 03:50
Updated-04 Aug, 2024 | 22:40
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

In Wireshark 2.4.0 to 2.4.13, 2.6.0 to 2.6.7, and 3.0.0, the NetScaler file parser could crash. This was addressed in wiretap/netscaler.c by improving data validation.

Action-Not Available
Vendor-n/aWireshark FoundationDebian GNU/LinuxCanonical Ltd.Fedora ProjectopenSUSE
Product-ubuntu_linuxdebian_linuxfedorawiresharkleapn/a
CWE ID-CWE-125
Out-of-bounds Read
CVE-2019-10894
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-12.65% / 94.01%
||
7 Day CHG~0.00%
Published-09 Apr, 2019 | 03:50
Updated-04 Aug, 2024 | 22:40
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

In Wireshark 2.4.0 to 2.4.13, 2.6.0 to 2.6.7, and 3.0.0, the GSS-API dissector could crash. This was addressed in epan/dissectors/packet-gssapi.c by ensuring that a valid dissector is called.

Action-Not Available
Vendor-n/aWireshark FoundationDebian GNU/LinuxCanonical Ltd.Fedora ProjectopenSUSE
Product-ubuntu_linuxdebian_linuxfedorawiresharkleapn/a
CWE ID-CWE-617
Reachable Assertion
CVE-2021-4184
Matching Score-8
Assigner-GitLab Inc.
ShareView Details
Matching Score-8
Assigner-GitLab Inc.
CVSS Score-7.5||HIGH
EPSS-0.31% / 53.94%
||
7 Day CHG~0.00%
Published-30 Dec, 2021 | 00:00
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

Infinite loop in the BitTorrent DHT dissector in Wireshark 3.6.0 and 3.4.0 to 3.4.10 allows denial of service via packet injection or crafted capture file

Action-Not Available
Vendor-Fedora ProjectOracle CorporationDebian GNU/LinuxWireshark Foundation
Product-http_serverdebian_linuxwiresharkfedorazfs_storage_appliance_kitWireshark
CWE ID-CWE-835
Loop with Unreachable Exit Condition ('Infinite Loop')
CVE-2021-39926
Matching Score-8
Assigner-GitLab Inc.
ShareView Details
Matching Score-8
Assigner-GitLab Inc.
CVSS Score-7.5||HIGH
EPSS-0.94% / 76.35%
||
7 Day CHG~0.00%
Published-19 Nov, 2021 | 00:00
Updated-04 Aug, 2024 | 02:20
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Buffer overflow in the Bluetooth HCI_ISO dissector in Wireshark 3.4.0 to 3.4.9 allows denial of service via packet injection or crafted capture file

Action-Not Available
Vendor-Wireshark FoundationDebian GNU/LinuxFedora Project
Product-wiresharkdebian_linuxfedoraWireshark
CWE ID-CWE-120
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CVE-2021-39923
Matching Score-8
Assigner-GitLab Inc.
ShareView Details
Matching Score-8
Assigner-GitLab Inc.
CVSS Score-7.5||HIGH
EPSS-2.25% / 84.66%
||
7 Day CHG~0.00%
Published-19 Nov, 2021 | 16:31
Updated-04 Aug, 2024 | 02:20
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

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

Action-Not Available
Vendor-Wireshark FoundationDebian GNU/Linux
Product-wiresharkdebian_linuxWireshark
CWE ID-CWE-834
Excessive Iteration
CVE-2021-39924
Matching Score-8
Assigner-GitLab Inc.
ShareView Details
Matching Score-8
Assigner-GitLab Inc.
CVSS Score-7.5||HIGH
EPSS-1.34% / 80.08%
||
7 Day CHG~0.00%
Published-19 Nov, 2021 | 00:00
Updated-04 Aug, 2024 | 02:20
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Large loop in the Bluetooth DHT 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

Action-Not Available
Vendor-Wireshark FoundationDebian GNU/LinuxFedora Project
Product-wiresharkdebian_linuxfedoraWireshark
CWE ID-CWE-834
Excessive Iteration
CVE-2021-39929
Matching Score-8
Assigner-GitLab Inc.
ShareView Details
Matching Score-8
Assigner-GitLab Inc.
CVSS Score-7.5||HIGH
EPSS-0.16% / 36.27%
||
7 Day CHG~0.00%
Published-19 Nov, 2021 | 00:00
Updated-04 Aug, 2024 | 02:20
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Uncontrolled Recursion in the Bluetooth DHT 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

Action-Not Available
Vendor-Wireshark FoundationDebian GNU/LinuxFedora Project
Product-wiresharkdebian_linuxfedoraWireshark
CWE ID-CWE-674
Uncontrolled Recursion
CVE-2021-39922
Matching Score-8
Assigner-GitLab Inc.
ShareView Details
Matching Score-8
Assigner-GitLab Inc.
CVSS Score-7.5||HIGH
EPSS-4.62% / 89.32%
||
7 Day CHG~0.00%
Published-19 Nov, 2021 | 00:00
Updated-04 Aug, 2024 | 02:20
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Buffer overflow in the C12.22 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

Action-Not Available
Vendor-Wireshark FoundationDebian GNU/LinuxFedora Project
Product-wiresharkdebian_linuxfedoraWireshark
CWE ID-CWE-120
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CVE-2021-39925
Matching Score-8
Assigner-GitLab Inc.
ShareView Details
Matching Score-8
Assigner-GitLab Inc.
CVSS Score-7.5||HIGH
EPSS-4.62% / 89.32%
||
7 Day CHG~0.00%
Published-19 Nov, 2021 | 00:00
Updated-04 Aug, 2024 | 02:20
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

Buffer overflow in the Bluetooth SDP 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

Action-Not Available
Vendor-Wireshark FoundationDebian GNU/LinuxFedora Project
Product-wiresharkdebian_linuxfedoraWireshark
CWE ID-CWE-120
Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')
CVE-2023-4511
Matching Score-8
Assigner-GitLab Inc.
ShareView Details
Matching Score-8
Assigner-GitLab Inc.
CVSS Score-5.3||MEDIUM
EPSS-0.01% / 1.46%
||
7 Day CHG~0.00%
Published-24 Aug, 2023 | 06:30
Updated-27 Mar, 2026 | 13:56
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Loop with Unreachable Exit Condition ('Infinite Loop') in Wireshark

BT SDP dissector infinite loop in Wireshark 4.0.0 to 4.0.7 and 3.6.0 to 3.6.15 allows denial of service via packet injection or crafted capture file

Action-Not Available
Vendor-Wireshark Foundation
Product-wiresharkWireshark
CWE ID-CWE-835
Loop with Unreachable Exit Condition ('Infinite Loop')
CVE-2025-1492
Matching Score-8
Assigner-GitLab Inc.
ShareView Details
Matching Score-8
Assigner-GitLab Inc.
CVSS Score-7.8||HIGH
EPSS-0.05% / 15.30%
||
7 Day CHG~0.00%
Published-20 Feb, 2025 | 01:30
Updated-27 Mar, 2026 | 13:56
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Uncontrolled Recursion in Wireshark

Bundle Protocol and CBOR dissector crashes in Wireshark 4.4.0 to 4.4.3 and 4.2.0 to 4.2.10 allows denial of service via packet injection or crafted capture file

Action-Not Available
Vendor-Wireshark Foundation
Product-wiresharkWireshark
CWE ID-CWE-674
Uncontrolled Recursion
CVE-2025-13946
Matching Score-8
Assigner-GitLab Inc.
ShareView Details
Matching Score-8
Assigner-GitLab Inc.
CVSS Score-5.5||MEDIUM
EPSS-0.01% / 1.39%
||
7 Day CHG-0.03%
Published-03 Dec, 2025 | 08:04
Updated-27 Mar, 2026 | 13:56
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Loop with Unreachable Exit Condition ('Infinite Loop') in Wireshark

MEGACO dissector infinite loop in Wireshark 4.6.0 to 4.6.1 and 4.4.0 to 4.4.11 allows denial of service

Action-Not Available
Vendor-Wireshark Foundation
Product-wiresharkWireshark
CWE ID-CWE-835
Loop with Unreachable Exit Condition ('Infinite Loop')
CVE-2025-13945
Matching Score-8
Assigner-GitLab Inc.
ShareView Details
Matching Score-8
Assigner-GitLab Inc.
CVSS Score-5.5||MEDIUM
EPSS-0.03% / 10.27%
||
7 Day CHG-0.03%
Published-03 Dec, 2025 | 08:04
Updated-27 Mar, 2026 | 13:56
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Improperly Controlled Sequential Memory Allocation in Wireshark

HTTP3 dissector crash in Wireshark 4.6.0 and 4.6.1 allows denial of service

Action-Not Available
Vendor-Wireshark Foundation
Product-wiresharkWireshark
CWE ID-CWE-1325
Improperly Controlled Sequential Memory Allocation
CVE-2025-13499
Matching Score-8
Assigner-GitLab Inc.
ShareView Details
Matching Score-8
Assigner-GitLab Inc.
CVSS Score-7.8||HIGH
EPSS-0.01% / 1.91%
||
7 Day CHG~0.00%
Published-21 Nov, 2025 | 06:03
Updated-27 Mar, 2026 | 13:56
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Access of Uninitialized Pointer in Wireshark

Kafka dissector crash in Wireshark 4.6.0 and 4.4.0 to 4.4.10 allows denial of service

Action-Not Available
Vendor-Wireshark Foundation
Product-wiresharkWireshark
CWE ID-CWE-824
Access of Uninitialized Pointer
CVE-2020-26575
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-2.23% / 84.61%
||
7 Day CHG~0.00%
Published-06 Oct, 2020 | 14:57
Updated-04 Aug, 2024 | 15:56
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

In Wireshark through 3.2.7, the Facebook Zero Protocol (aka FBZERO) dissector could enter an infinite loop. This was addressed in epan/dissectors/packet-fbzero.c by correcting the implementation of offset advancement.

Action-Not Available
Vendor-n/aDebian GNU/LinuxWireshark FoundationOracle CorporationFedora Project
Product-zfs_storage_appliance_firmwarezfs_storage_appliancedebian_linuxfedorawiresharkn/a
CWE ID-CWE-835
Loop with Unreachable Exit Condition ('Infinite Loop')
CVE-2025-11626
Matching Score-8
Assigner-GitLab Inc.
ShareView Details
Matching Score-8
Assigner-GitLab Inc.
CVSS Score-5.5||MEDIUM
EPSS-0.01% / 0.91%
||
7 Day CHG~0.00%
Published-10 Oct, 2025 | 22:33
Updated-27 Mar, 2026 | 13:56
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Loop with Unreachable Exit Condition ('Infinite Loop') in Wireshark

MONGO dissector infinite loop in Wireshark 4.4.0 to 4.4.9 and 4.2.0 to 4.2.13 allows denial of service

Action-Not Available
Vendor-Wireshark Foundation
Product-wiresharkWireshark
CWE ID-CWE-835
Loop with Unreachable Exit Condition ('Infinite Loop')
CVE-2026-6536
Matching Score-8
Assigner-GitLab Inc.
ShareView Details
Matching Score-8
Assigner-GitLab Inc.
CVSS Score-5.5||MEDIUM
EPSS-0.01% / 1.85%
||
7 Day CHG~0.00%
Published-30 Apr, 2026 | 05:36
Updated-01 May, 2026 | 18:16
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
Loop with Unreachable Exit Condition ('Infinite Loop') in Wireshark

DLMS/COSEM protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.4

Action-Not Available
Vendor-Wireshark Foundation
Product-wiresharkWireshark
CWE ID-CWE-835
Loop with Unreachable Exit Condition ('Infinite Loop')
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