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Description

ICMPv6 PvD protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

PUBLISHED Reserved 2026-04-01 | Published 2026-04-30 | Updated 2026-04-30 | Assigner GitLab




MEDIUM: 5.5CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Problem types

CWE-674: Uncontrolled Recursion

Product status

Default status
unaffected

4.6.0 (semver) before 4.6.5
affected

4.4.0 (semver) before 4.4.15
affected

Credits

Brendan Coles finder

References

www.wireshark.org/security/wnpa-sec-2026-12.html

gitlab.com/wireshark/wireshark/-/issues/21077 (GitLab Issue #21077) issue-tracking permissions-required

cve.org (CVE-2026-5299)

nvd.nist.gov (CVE-2026-5299)

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