Wireshark 802.11 dissector crash CVE-2026-6525 (4.6.0-4.6.4)
CVE-2026-6525 Published on May 2, 2026
NULL Pointer Dereference in Wireshark
IEEE 802.11 protocol dissector crash in Wireshark 4.6.0 to 4.6.4
Vulnerability Analysis
CVE-2026-6525 can be exploited 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-2026-6525. 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-2026-6525
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Affected Versions
Wireshark Foundation Wireshark:- Version 4.6.0 and below 4.6.5 is affected.