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Vulnerability Details :

CVE-2026-6520

Summary
Assigner-GitLab
Assigner Org ID-ceab7361-8a18-47b1-92ba-4d7d25f6715a
Published At-30 Apr, 2026 | 05:34
Updated At-30 Apr, 2026 | 15:20
Rejected At-
Credits

Loop with Unreachable Exit Condition ('Infinite Loop') in Wireshark

OpenFlow v6 protocol dissector infinite loop in Wireshark 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 | 05:34
Updated At:30 Apr, 2026 | 15:20
Rejected At:
â–¼CVE Numbering Authority (CNA)
Loop with Unreachable Exit Condition ('Infinite Loop') in Wireshark

OpenFlow v6 protocol dissector infinite loop in Wireshark 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-835CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')
Type: CWE
CWE ID: CWE-835
Description: CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')
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
Sharon Brizinov
Timeline
EventDate
Replaced By
Rejected Reason
References
HyperlinkResource
https://www.wireshark.org/security/wnpa-sec-2026-40.html
N/A
https://gitlab.com/wireshark/wireshark/-/work_items/21181
N/A
Hyperlink: https://www.wireshark.org/security/wnpa-sec-2026-40.html
Resource: N/A
Hyperlink: https://gitlab.com/wireshark/wireshark/-/work_items/21181
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
Information is not available yet
â–¼National Vulnerability Database (NVD)
nvd.nist.gov
Source:cve@gitlab.com
Published At:30 Apr, 2026 | 07:16
Updated At:01 May, 2026 | 16:37

OpenFlow v6 protocol dissector infinite loop in Wireshark 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 4.4.14(inclusive)
cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*
Wireshark Foundation
wireshark
>>wireshark>>Versions from 4.6.0(inclusive) to 4.6.4(inclusive)
cpe:2.3:a:wireshark:wireshark:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-835Primarycve@gitlab.com
CWE ID: CWE-835
Type: Primary
Source: cve@gitlab.com
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://gitlab.com/wireshark/wireshark/-/work_items/21181cve@gitlab.com
Exploit
Issue Tracking
Third Party Advisory
https://www.wireshark.org/security/wnpa-sec-2026-40.htmlcve@gitlab.com
Vendor Advisory
Hyperlink: https://gitlab.com/wireshark/wireshark/-/work_items/21181
Source: cve@gitlab.com
Resource:
Exploit
Issue Tracking
Third Party Advisory
Hyperlink: https://www.wireshark.org/security/wnpa-sec-2026-40.html
Source: cve@gitlab.com
Resource:
Vendor Advisory

Change History

0
Information is not available yet

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KEV Added-Not Available
KEV Action Due Date-Not Available

Stack consumption vulnerability in the dissect_ber_choice function in the BER dissector in Wireshark 1.2.x through 1.2.15 and 1.4.x through 1.4.4 might allow remote attackers to cause a denial of service (infinite loop) via vectors involving self-referential ASN.1 CHOICE values.

Action-Not Available
Vendor-n/aWireshark Foundation
Product-wiresharkn/a
CWE ID-CWE-835
Loop with Unreachable Exit Condition ('Infinite Loop')
CVE-2020-28030
Matching Score-10
Assigner-MITRE Corporation
ShareView Details
Matching Score-10
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-1.06% / 77.78%
||
7 Day CHG~0.00%
Published-30 Oct, 2020 | 20:02
Updated-04 Aug, 2024 | 16:25
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 3.2.7, the GQUIC dissector could crash. This was addressed in epan/dissectors/packet-gquic.c by correcting the implementation of offset advancement.

Action-Not Available
Vendor-n/aWireshark FoundationDebian GNU/LinuxFedora Project
Product-wiresharkdebian_linuxfedoran/a
CWE ID-CWE-835
Loop with Unreachable Exit Condition ('Infinite Loop')
CWE ID-CWE-770
Allocation of Resources Without Limits or Throttling
CWE ID-CWE-682
Incorrect Calculation
CVE-2019-16319
Matching Score-10
Assigner-MITRE Corporation
ShareView Details
Matching Score-10
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.70% / 72.10%
||
7 Day CHG~0.00%
Published-15 Sep, 2019 | 15:15
Updated-05 Aug, 2024 | 01:10
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

In Wireshark 3.0.0 to 3.0.3 and 2.6.0 to 2.6.10, the Gryphon dissector could go into an infinite loop. This was addressed in plugins/epan/gryphon/packet-gryphon.c by checking for a message length of zero.

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-2021-4185
Matching Score-10
Assigner-GitLab Inc.
ShareView Details
Matching Score-10
Assigner-GitLab Inc.
CVSS Score-7.5||HIGH
EPSS-0.13% / 31.85%
||
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 RTMPT 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-2021-22222
Matching Score-10
Assigner-GitLab Inc.
ShareView Details
Matching Score-10
Assigner-GitLab Inc.
CVSS Score-7.5||HIGH
EPSS-0.19% / 40.22%
||
7 Day CHG~0.00%
Published-07 Jun, 2021 | 12:01
Updated-03 Aug, 2024 | 18:37
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 DVB-S2-BB dissector in Wireshark 3.4.0 to 3.4.5 allows denial of service via packet injection or crafted capture file

Action-Not Available
Vendor-Wireshark FoundationOracle CorporationDebian GNU/Linux
Product-debian_linuxinstantis_enterprisetrackzfs_storage_appliance_kitwiresharkenterprise_manager_ops_centerWireshark
CWE ID-CWE-835
Loop with Unreachable Exit Condition ('Infinite Loop')
CVE-2023-2879
Matching Score-10
Assigner-GitLab Inc.
ShareView Details
Matching Score-10
Assigner-GitLab Inc.
CVSS Score-6.3||MEDIUM
EPSS-0.11% / 29.31%
||
7 Day CHG~0.00%
Published-26 May, 2023 | 00:00
Updated-03 Nov, 2025 | 22:16
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

GDSDB infinite loop in Wireshark 4.0.0 to 4.0.5 and 3.6.0 to 3.6.13 allows denial of service via packet injection or crafted capture file

Action-Not Available
Vendor-Debian GNU/LinuxWireshark Foundation
Product-debian_linuxwiresharkWireshark
CWE ID-CWE-835
Loop with Unreachable Exit Condition ('Infinite Loop')
CVE-2026-0960
Matching Score-10
Assigner-GitLab Inc.
ShareView Details
Matching Score-10
Assigner-GitLab Inc.
CVSS Score-4.7||MEDIUM
EPSS-0.01% / 2.84%
||
7 Day CHG~0.00%
Published-14 Jan, 2026 | 20:23
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

HTTP3 protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.2 allows denial of service

Action-Not Available
Vendor-Wireshark Foundation
Product-wiresharkWireshark
CWE ID-CWE-835
Loop with Unreachable Exit Condition ('Infinite Loop')
CVE-2018-7421
Matching Score-10
Assigner-MITRE Corporation
ShareView Details
Matching Score-10
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.43% / 62.46%
||
7 Day CHG~0.00%
Published-23 Feb, 2018 | 22:00
Updated-05 Aug, 2024 | 06:24
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available

In Wireshark 2.2.0 to 2.2.12 and 2.4.0 to 2.4.4, the DMP dissector could go into an infinite loop. This was addressed in epan/dissectors/packet-dmp.c by correctly supporting a bounded number of Security Categories for a DMP Security Classification.

Action-Not Available
Vendor-n/aWireshark Foundation
Product-wiresharkn/a
CWE ID-CWE-835
Loop with Unreachable Exit Condition ('Infinite Loop')
CVE-2022-3190
Matching Score-10
Assigner-GitLab Inc.
ShareView Details
Matching Score-10
Assigner-GitLab Inc.
CVSS Score-6.3||MEDIUM
EPSS-0.02% / 5.56%
||
7 Day CHG~0.00%
Published-13 Sep, 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 the F5 Ethernet Trailer protocol dissector in Wireshark 3.6.0 to 3.6.7 and 3.4.0 to 3.4.15 allows denial of service via packet injection or crafted capture file

Action-Not Available
Vendor-Fedora ProjectWireshark Foundation
Product-fedorawiresharkWireshark
CWE ID-CWE-835
Loop with Unreachable Exit Condition ('Infinite Loop')
CVE-2024-11596
Matching Score-8
Assigner-GitLab Inc.
ShareView Details
Matching Score-8
Assigner-GitLab Inc.
CVSS Score-7.8||HIGH
EPSS-0.02% / 6.17%
||
7 Day CHG~0.00%
Published-21 Nov, 2024 | 09:30
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
Buffer Over-read in Wireshark

ECMP dissector crash in Wireshark 4.4.0 to 4.4.1 and 4.2.0 to 4.2.8 allows denial of service via packet injection or crafted capture file

Action-Not Available
Vendor-Wireshark Foundation
Product-wiresharkWiresharkwireshark
CWE ID-CWE-126
Buffer Over-read
CWE ID-CWE-125
Out-of-bounds Read
CVE-2024-0209
Matching Score-8
Assigner-GitLab Inc.
ShareView Details
Matching Score-8
Assigner-GitLab Inc.
CVSS Score-7.8||HIGH
EPSS-0.04% / 12.44%
||
7 Day CHG~0.00%
Published-03 Jan, 2024 | 07:31
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
NULL Pointer Dereference in Wireshark

IEEE 1609.2 dissector crash in Wireshark 4.2.0, 4.0.0 to 4.0.11, and 3.6.0 to 3.6.19 allows denial of service via packet injection or crafted capture file

Action-Not Available
Vendor-Wireshark Foundation
Product-wiresharkWireshark
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2024-0208
Matching Score-8
Assigner-GitLab Inc.
ShareView Details
Matching Score-8
Assigner-GitLab Inc.
CVSS Score-7.8||HIGH
EPSS-0.03% / 9.76%
||
7 Day CHG~0.00%
Published-03 Jan, 2024 | 07:31
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
Improper Handling of Missing Values in Wireshark

GVCP dissector crash in Wireshark 4.2.0, 4.0.0 to 4.0.11, and 3.6.0 to 3.6.19 allows denial of service via packet injection or crafted capture file

Action-Not Available
Vendor-Wireshark Foundation
Product-wiresharkWireshark
CWE ID-CWE-230
Improper Handling of Missing Values
CVE-2024-0207
Matching Score-8
Assigner-GitLab Inc.
ShareView Details
Matching Score-8
Assigner-GitLab Inc.
CVSS Score-7.8||HIGH
EPSS-0.06% / 19.32%
||
7 Day CHG~0.00%
Published-03 Jan, 2024 | 07:31
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
Out-of-bounds Read in Wireshark

HTTP3 dissector crash in Wireshark 4.2.0 allows denial of service via packet injection or crafted capture file

Action-Not Available
Vendor-Wireshark Foundation
Product-wiresharkWireshark
CWE ID-CWE-125
Out-of-bounds Read
CVE-2024-0210
Matching Score-8
Assigner-GitLab Inc.
ShareView Details
Matching Score-8
Assigner-GitLab Inc.
CVSS Score-7.8||HIGH
EPSS-0.07% / 22.01%
||
7 Day CHG~0.00%
Published-03 Jan, 2024 | 07:31
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

Zigbee TLV dissector crash in Wireshark 4.2.0 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-2018-16057
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.67% / 71.38%
||
7 Day CHG+0.03%
Published-30 Aug, 2018 | 01:00
Updated-05 Aug, 2024 | 10:10
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 2.6.2, 2.4.0 to 2.4.8, and 2.2.0 to 2.2.16, the Radiotap dissector could crash. This was addressed in epan/dissectors/packet-ieee80211-radiotap-iter.c by validating iterator operations.

Action-Not Available
Vendor-n/aWireshark FoundationDebian GNU/Linux
Product-wiresharkdebian_linuxn/a
CVE-2026-7376
Matching Score-8
Assigner-GitLab Inc.
ShareView Details
Matching Score-8
Assigner-GitLab Inc.
CVSS Score-5.5||MEDIUM
EPSS-0.01% / 2.60%
||
7 Day CHG~0.00%
Published-30 Apr, 2026 | 05:04
Updated-06 May, 2026 | 16:16
Rejected-Not Available
Known To Be Used In Ransomware Campaigns?-Not Available
KEV Added-Not Available
KEV Action Due Date-Not Available
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

Action-Not Available
Vendor-Wireshark Foundation
Product-wiresharkWireshark
CWE ID-CWE-476
NULL Pointer Dereference
CVE-2025-13674
Matching Score-8
Assigner-GitLab Inc.
ShareView Details
Matching Score-8
Assigner-GitLab Inc.
CVSS Score-5.5||MEDIUM
EPSS-0.01% / 1.52%
||
7 Day CHG~0.00%
Published-26 Nov, 2025 | 11:33
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
Access of Uninitialized Pointer in Wireshark

BPv7 dissector crash in Wireshark 4.6.0 allows denial of service

Action-Not Available
Vendor-Wireshark Foundation
Product-wiresharkWireshark
CWE ID-CWE-824
Access of Uninitialized Pointer
CVE-2020-25862
Matching Score-8
Assigner-MITRE Corporation
ShareView Details
Matching Score-8
Assigner-MITRE Corporation
CVSS Score-7.5||HIGH
EPSS-0.30% / 52.96%
||
7 Day CHG~0.00%
Published-06 Oct, 2020 | 14:41
Updated-04 Aug, 2024 | 15:49
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 3.2.6, 3.0.0 to 3.0.13, and 2.6.0 to 2.6.20, the TCP dissector could crash. This was addressed in epan/dissectors/packet-tcp.c by changing the handling of the invalid 0xFFFF checksum.

Action-Not Available
Vendor-n/aWireshark FoundationDebian GNU/LinuxOracle CorporationFedora ProjectopenSUSE
Product-zfs_storage_appliance_firmwaredebian_linuxfedorawiresharkleapn/a
CWE ID-CWE-354
Improper Validation of Integrity Check Value
CVE-2026-6867
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 | 05:33
Updated-01 May, 2026 | 18:15
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

SMB2 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-1325
Improperly Controlled Sequential Memory Allocation
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-2021-4190
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-2021-4186
Matching Score-8
Assigner-GitLab Inc.
ShareView Details
Matching Score-8
Assigner-GitLab Inc.
CVSS Score-6.3||MEDIUM
EPSS-0.13% / 31.61%
||
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 Gryphon dissector in Wireshark 3.4.0 to 3.4.10 allows denial of service via packet injection or crafted capture file

Action-Not Available
Vendor-Fedora ProjectWireshark Foundation
Product-fedorawiresharkWireshark
CWE ID-CWE-476
NULL Pointer Dereference
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
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