CVE-2026-76886: high-severity vulnerability in Wireshark
Heap-based Buffer Overflow in Wireshark
Published · Updated
E-mail alert when it lands in KEV, gets a public PoC or its score goes up.
41Vexday Risk Score
No sign of exploitation. It has a public proof of concept.
ssvc Attendcvss 8.1epss 0.4%
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
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected products
Wireshark Foundation · Wiresharkpublic PoCs found — 1
cve_referencegitlab.com/wireshark/wireshark/-/work_items/21446unverified⚠ Public resources, to assess the exposure of systems you control or are authorized to test. Test only with authorization.
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