7.5highHigh

CVE-2026-76879

Wireshark Wireshark

C12.22 protocol dissector crash in 4.6.0 to 4.6.7 and 4.4.0 to 4.4.18 allows denial of service

Exploitation status

  • Published references include exploit or proof-of-concept material. There is no confirmation it is being used in real attacks.
  • A vendor advisory or patch reference has been published.

What the metrics mean

  • It is reachable over a network, without needing local access.
  • For an attacker who can reach it, no special conditions are needed to exploit it.
  • To exploit it, no account is needed.
  • Beyond that, no action by a user is required.

Scoring

CVSS
7.5 (v3.1)
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Weakness
CWE-121
Assigned by
cve@gitlab.com

Dates

Published
2026-08-19
Last modified
2026-09-01
Sources
NVD

Affected products

  • Wireshark Wireshark4.4.0 - 4.4.18, 4.6.0 - 4.6.8

As listed in the NVD configuration data. Not a statement about your estate.

References