CVE-2026-6869

wireshark: WebSocket protocol dissector crash in Wireshark 4.6.0 to 4.6.4 and 4.4.0 to 4.4.14 allows denial of service

CVE-2026-6869 is fixed in 5 products on 1 platform, first by DEBIAN-CVE-2026-6869, released May 15, 2026. It is not reported as exploited. Patch Radar priority: Routine.

Routine
CVSS
5.5
medium
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0013
2nd percentile

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

Where it's fixed

ProductFixed inFixReleased
Linux
wireshark · Debian 13.5 (trixie) 4.4.15-0+deb13u1 DEBIAN-CVE-2026-6869 May 15, 2026
wireshark · Debian 14 4.6.5-1 DEBIAN-CVE-2026-6869 May 15, 2026
wireshark · sles 15.7 4.6.7-150700.21.11.1 SUSE-SU-2026:3501-1 Aug 5, 2026
wireshark-cli · amzn 2023 1:4.6.6-1.amzn2023.0.1 ALAS2023-2026-1904 Jul 6, 2026
wireshark-cli-debuginfo · amzn 2023 1:4.6.6-1.amzn2023.0.1 ALAS2023-2026-1904 Jul 6, 2026
wireshark-debugsource · amzn 2023 1:4.6.6-1.amzn2023.0.1 ALAS2023-2026-1904 Jul 6, 2026
wireshark-devel · amzn 2023 1:4.6.6-1.amzn2023.0.1 ALAS2023-2026-1904 Jul 6, 2026

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