Wireshark 4.44.6 ROHC Dissector Crash (DoS)
CVE-2026-9759 Published on May 27, 2026
NULL Pointer Dereference in Wireshark
ROHC protocol dissector crash in Wireshark 4.6.0 to 4.6.5 and 4.4.0 to 4.4.15 allows denial of service
Vulnerability Analysis
CVE-2026-9759 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
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-2026-9759
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Affected Versions
Wireshark Foundation Wireshark:- Version 4.6.0 and below 4.6.6 is affected.
- Version 4.4.0 and below 4.4.16 is affected.
Exploit Probability
EPSS (Exploit Prediction Scoring System) scores estimate the probability that a vulnerability will be exploited in the wild within the next 30 days. The percentile shows you how this score compares to all other vulnerabilities.