Wireshark 4.6.x/4.4.x Synchrophasor Dissector Mem Leak DoS
CVE-2026-95395 Published on September 29, 2026
Missing Release of Memory after Effective Lifetime in Wireshark
IEEE C37.118 Synchrophasor protocol dissector memory leak in 4.6.0 to 4.6.8 and 4.4.0 to 4.4.18 allows denial of service
Vulnerability Analysis
CVE-2026-95395 can be exploited with local system access, requires user interaction. This vulnerability is considered to have a low attack complexity. 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
What is a Memory Leak Vulnerability?
The software does not sufficiently track and release allocated memory after it has been used, which slowly consumes remaining memory. This is often triggered by improper handling of malformed data or unexpectedly interrupted sessions. In some languages, developers are responsible for tracking memory allocation and releasing the memory. If there are no more pointers or references to the memory, then it can no longer be tracked and identified for release.
CVE-2026-95395 has been classified to as a Memory Leak vulnerability or weakness.
Products Associated with CVE-2026-95395
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Affected Versions
Wireshark Foundation Wireshark:- Version 4.6.0 and below 4.6.9 is affected.
- Version 4.4.0 and below 4.4.19 is affected.