CVE-2026-76890: CWE-825: Expired Pointer Dereference in Wireshark Foundation Wireshark
Description
Crash in sharkd in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service
CVSS v3.1
Score 3.1low
Affected software
Wireshark Foundation
Wireshark
pkg:github/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, identified as CWE-825 (Expired Pointer Dereference), affects Wireshark versions 4.4.0 to 4.4.17 and 4.6.0 to 4.6.7. The flaw causes a crash in the sharkd service, resulting in a denial of service condition. The CVSS 3.1 base score is 3.1, indicating low severity, with network attack vector, high attack complexity, no privileges required, and user interaction required. There is no indication of confidentiality or integrity impact.
Potential Impact
Successful exploitation causes a denial of service by crashing the sharkd process. There is no impact on confidentiality or integrity. The vulnerability requires user interaction and has a high attack complexity, limiting its exploitability.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or patch links are provided in the available data. Until a patch is available, consider limiting exposure of the sharkd service and monitor for updates from the Wireshark Foundation.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitLab
- Date Reserved
- 2026-08-19T22:34:54.931Z
- Cvss Version
- 3.1
- State
- PUBLISHED
Threat ID: 6a8633c5acd9273b49b8ad06
Added to database: 08/19/2026, 22:52:53 UTC
Last enriched: 09/18/2026, 23:34:43 UTC
Last updated: 10/04/2026, 10:02:29 UTC
Views: 52
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