Infinite loop in Wireshark - CVE-2026-96418
Published: September 24, 2026
Vulnerability identifier: #VU151887
CSH Severity: Low
CVSS v4: 4.6 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-96418
CWE-ID: CWE-835
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to an infinite loop in the TIFF protocol dissector when parsing a malformed packet trace file. A remote attacker can trick a victim into opening a malformed packet trace file to cause a denial of service.
Malformed packets injected onto the wire can also trigger the issue.
Affected software
Wireshark
openEuler
wireshark
wireshark-help
wireshark-devel
wireshark-debugsource
wireshark-debuginfo
openEuler
wireshark
wireshark-help
wireshark-devel
wireshark-debugsource
wireshark-debuginfo
How to mitigate CVE-2026-96418
Install security update from vendor's website.
Wireshark - addressed in versions 4.4.19, 4.6.9
wireshark - update to 4.4.19-1
wireshark-help - update to 4.4.19-1
wireshark-devel - update to 4.4.19-1
wireshark-debugsource - update to 4.4.19-1
wireshark-debuginfo - update to 4.4.19-1
wireshark - update to 4.4.19-1
wireshark-help - update to 4.4.19-1
wireshark-devel - update to 4.4.19-1
wireshark-debugsource - update to 4.4.19-1
wireshark-debuginfo - update to 4.4.19-1