CVE-2026-76890: CWE-825: Expired Pointer Dereference in Wireshark Foundation Wireshark
CVE-2026-76890 is a low severity vulnerability in Wireshark that causes a crash in the sharkd component due to expired pointer dereference. It affects specific versions 4.6.0 and 4.4.0 and can lead to denial of service. No known exploits are reported in the wild. There is no official patch or remediation information available yet.
AI Analysis
Technical Summary
This vulnerability involves an expired pointer dereference (CWE-825) in the sharkd component of Wireshark versions 4.6.0 and 4.4.0. The flaw causes the application to crash, 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. No official fix or patch has been disclosed as of the publication date.
Potential Impact
The impact is limited to denial of service caused by a crash in the sharkd process. There is no confidentiality or integrity impact reported. The vulnerability requires user interaction and has a high attack complexity, reducing the likelihood of exploitation.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or workaround information is available at this time.
CVE-2026-76890: CWE-825: Expired Pointer Dereference in Wireshark Foundation Wireshark
Description
CVE-2026-76890 is a low severity vulnerability in Wireshark that causes a crash in the sharkd component due to expired pointer dereference. It affects specific versions 4.6.0 and 4.4.0 and can lead to denial of service. No known exploits are reported in the wild. There is no official patch or remediation information available yet.
CVSS v3.1
Score 3.1low
Affected software
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 involves an expired pointer dereference (CWE-825) in the sharkd component of Wireshark versions 4.6.0 and 4.4.0. The flaw causes the application to crash, 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. No official fix or patch has been disclosed as of the publication date.
Potential Impact
The impact is limited to denial of service caused by a crash in the sharkd process. There is no confidentiality or integrity impact reported. The vulnerability requires user interaction and has a high attack complexity, reducing the likelihood of exploitation.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. No official fix or workaround information is available at this time.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- GitLab
- Date Reserved
- 2026-08-19T22:34:54.931Z
- Cvss Version
- 3.1
- State
- PUBLISHED
- Remediation Level
- null
Threat ID: 6a8633c5acd9273b49b8ad06
Added to database: 08/19/2026, 22:52:53 UTC
Last enriched: 08/19/2026, 23:09:54 UTC
Last updated: 08/20/2026, 01:56:01 UTC
Views: 5
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