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Description

SDP protocol dissector crash in Wireshark 4.6.0 to 4.6.4 allows denial of service

PUBLISHED Reserved 2026-04-06 | 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-416: Use After Free

Product status

Default status
unaffected

4.6.0 (semver) before 4.6.5
affected

Credits

Huang Qiangxiong finder

References

gitlab.com/wireshark/wireshark/-/work_items/21112 exploit

www.wireshark.org/security/wnpa-sec-2026-19.html

gitlab.com/wireshark/wireshark/-/issues/21112 (GitLab Issue #21112) issue-tracking permissions-required

cve.org (CVE-2026-5655)

nvd.nist.gov (CVE-2026-5655)

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