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Description

HTTP3 protocol dissector infinite loop in Wireshark 4.6.0 to 4.6.2 allows denial of service

PUBLISHED Reserved 2026-01-14 | Published 2026-01-14 | Updated 2026-01-14 | Assigner GitLab




MEDIUM: 4.7CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H

Problem types

CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop')

Product status

Default status
unaffected

4.6.0 (semver) before 4.6.3
affected

Credits

Tom Needham finder

References

www.wireshark.org/security/wnpa-sec-2026-04.html

gitlab.com/wireshark/wireshark/-/issues/20944 (GitLab Issue #20944) issue-tracking permissions-required

cve.org (CVE-2026-0960)

nvd.nist.gov (CVE-2026-0960)

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