Wireshark 4.6.x: sharkd Denial of Service CVE-2026-7376
CVE-2026-7376 Published on April 30, 2026
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
Vulnerability Analysis
CVE-2026-7376 is exploitable with local system access, requires user interaction. This vulnerability is considered to have a low attack complexity. Public availability of a proof of concept (POC) exploit exists for CVE-2026-7376. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Weakness Type
NULL Pointer Dereference
A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. NULL pointer dereference issues can occur through a number of flaws, including race conditions, and simple programming omissions.
Products Associated with CVE-2026-7376
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Affected Versions
Wireshark Foundation Wireshark:- Version 4.6.0 and below 4.6.5 is affected.
- Version 4.4.0 and below 4.4.15 is affected.