CVE-2026-76886: wireshark wireshark

CVSS 9.8 (critical) · published 2026-08-19

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

Affected products (NVD): wireshark wireshark

Fixed in (NVD): 4.4.18, 4.6.8

Weakness: CWE-122

Source: NVD CVE-2026-76886

References

• https://gitlab.com/wireshark/wireshark/-/work_items/21439
• https://www.wireshark.org/security/wnpa-sec-2026-75.html
• https://gitlab.com/wireshark/wireshark/-/work_items/21446

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