Vulnerability CVE-2026-5299: Information

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

Severity: MEDIUM (5.5)

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

URL: https://nvd.nist.gov/vuln/detail/CVE-2026-5299

Published: April 30, 2026

Modified: May 1, 2026

Error type identifier: CWE-674

Fixed packages

Package name	Branch	Fixed in version	Version from repository	Errata ID	Task #	State
wireshark	sisyphus	4.6.5-alt1	4.6.5-alt1	ALT-PU-2026-7053-4	416999	Fixed
wireshark	sisyphus_e2k	4.6.5-alt1	4.6.5-alt1	ALT-PU-2026-7283-1	-	Fixed
wireshark	sisyphus_riscv64	4.6.5-alt1	4.6.5-alt1	ALT-PU-2026-7475-1	-	Fixed
wireshark	sisyphus_loongarch64	4.6.5-alt1	4.6.5-alt1	ALT-PU-2026-7491-1	-	Fixed
wireshark	p11	4.6.5-alt1	4.6.5-alt1	ALT-PU-2026-7055-3	417000	Fixed
wireshark	c10f2	4.6.5-alt1	4.6.5-alt1	ALT-PU-2026-7057-4	417002	Fixed

Hyperlink	Resource
https://gitlab.com/wireshark/wireshark/-/issues/21077	Exploit Issue Tracking
https://www.wireshark.org/security/wnpa-sec-2026-12.html	Vendor Advisory
BDU:2026-06402

Version: v26.2.2