CVE-2026-96422: CWE-617: Reachable Assertion in Wireshark Foundation Wireshark
Frame protocol metadissector crash in 4.6.0 to 4.6.8 and 4.4.0 to 4.4.18 allows denial of service
AI Analysis
Technical Summary
This vulnerability (CWE-617) in Wireshark's frame protocol metadissector allows an attacker to cause an assertion failure leading to a crash (denial of service) in affected versions 4.4.0 to 4.4.18 and 4.6.0 to 4.6.8. The CVSS 3.1 base score is 5.5, reflecting medium severity with local attack vector, low attack complexity, no privileges required, and user interaction needed. The impact is limited to availability disruption without confidentiality or integrity loss.
Potential Impact
Successful exploitation causes a denial of service by crashing the Wireshark application. There is no impact on confidentiality or integrity. The attack requires local access and user interaction, limiting the attack surface.
Mitigation Recommendations
No explicit patch or remediation information is provided. Patch status is not yet confirmed — check the Wireshark Foundation advisory for current remediation guidance. Until a fix is available, avoid opening untrusted capture files that could trigger the crash.
CVE-2026-96422: CWE-617: Reachable Assertion in Wireshark Foundation Wireshark
Description
Frame protocol metadissector crash in 4.6.0 to 4.6.8 and 4.4.0 to 4.4.18 allows denial of service
CVSS v3.1
Score 5.5medium
Affected software
Wireshark Foundation
Wireshark
pkg:deb/wireshark/wiresharkRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CWE-617) in Wireshark's frame protocol metadissector allows an attacker to cause an assertion failure leading to a crash (denial of service) in affected versions 4.4.0 to 4.4.18 and 4.6.0 to 4.6.8. The CVSS 3.1 base score is 5.5, reflecting medium severity with local attack vector, low attack complexity, no privileges required, and user interaction needed. The impact is limited to availability disruption without confidentiality or integrity loss.
Potential Impact
Successful exploitation causes a denial of service by crashing the Wireshark application. There is no impact on confidentiality or integrity. The attack requires local access and user interaction, limiting the attack surface.
Mitigation Recommendations
No explicit patch or remediation information is provided. Patch status is not yet confirmed — check the Wireshark Foundation advisory for current remediation guidance. Until a fix is available, avoid opening untrusted capture files that could trigger the crash.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitLab
- Date Reserved
- 2026-09-23T05:41:55.661Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6abb897ef7a7c54106284f37
Added to database: 09/29/2026, 09:48:46 UTC
Last enriched: 09/29/2026, 10:03:24 UTC
Last updated: 09/29/2026, 18:20:12 UTC
Views: 11
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