CVE-2026-7376: CWE-476: NULL Pointer Dereference in Wireshark Foundation Wireshark
Crash in sharkd 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service
AI Analysis
Technical Summary
This vulnerability (CVE-2026-7376) affects Wireshark Foundation's Wireshark software, specifically versions 4.6.0 through 4.6.4 and 4.4.0 through 4.4.14. It is caused by a NULL pointer dereference in the sharkd component, leading to a crash and denial of service condition. The CVSS v3.1 base score is 5.5 (medium severity) with attack vector local, low attack complexity, no privileges required, user interaction required, unchanged scope, and impact limited to availability (no confidentiality or integrity impact). There is no vendor advisory or patch information available, and no known exploits have been reported.
Potential Impact
Successful exploitation causes a denial of service by crashing the sharkd component of Wireshark, disrupting availability. There is no impact on confidentiality or integrity according to the CVSS vector. No known active exploitation has been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should consider avoiding use of the affected versions or running sharkd in environments where denial of service impact is acceptable. Monitor vendor communications for updates.
CVE-2026-7376: CWE-476: NULL Pointer Dereference in Wireshark Foundation Wireshark
Description
Crash in sharkd 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability (CVE-2026-7376) affects Wireshark Foundation's Wireshark software, specifically versions 4.6.0 through 4.6.4 and 4.4.0 through 4.4.14. It is caused by a NULL pointer dereference in the sharkd component, leading to a crash and denial of service condition. The CVSS v3.1 base score is 5.5 (medium severity) with attack vector local, low attack complexity, no privileges required, user interaction required, unchanged scope, and impact limited to availability (no confidentiality or integrity impact). There is no vendor advisory or patch information available, and no known exploits have been reported.
Potential Impact
Successful exploitation causes a denial of service by crashing the sharkd component of Wireshark, disrupting availability. There is no impact on confidentiality or integrity according to the CVSS vector. No known active exploitation has been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Until an official fix is released, users should consider avoiding use of the affected versions or running sharkd in environments where denial of service impact is acceptable. Monitor vendor communications for updates.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitLab
- Date Reserved
- 2026-04-29T07:34:06.177Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 69f2e6f2cbff5d861093cb82
Added to database: 4/30/2026, 5:21:54 AM
Last enriched: 4/30/2026, 5:36:35 AM
Last updated: 4/30/2026, 3:25:14 PM
Views: 9
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