CVE-2026-96423

X11 protocol dissector crash in 4.6.0 to 4.6.8 and 4.4.0 to 4.4.18 allows denial of service

Score

CVSS 3.1 7.1 High

Status

Analyzed - cve@gitlab.com

Published

2026-09-29

Last modified

2026-10-14

Weaknesses

CWE-122, CWE-125

Affected products

• Wireshark (Wireshark)
• Wireshark (Wireshark Foundation)

References

• https://www.wireshark.org/security/wnpa-sec-2026-108.html
• https://gitlab.com/wireshark/wireshark/-/work_items/21563