What’s Vulnerable › Vulnerabilities
CVE-2024-2955: Mismatched Memory Management Routines in Wireshark
- Severity: high (CVSS 7.5 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 1.4% probability of exploitation in the next 30 days
- Public exploit or detection template: yes
- Published: 2024-03-26 · updated 2026-06-17
- Weakness: CWE-762
Description
T.38 dissector crash in Wireshark 4.2.0 to 4.0.3 and 4.0.0 to 4.0.13 allows denial of service via packet injection or crafted capture file
Affected products
- Fedoraproject Fedora: 39, 40
- Wireshark Foundation Wireshark: from 4.0.0 before 4.0.14; from 4.2.0 before 4.2.4 — fixed in 4.0.14, 4.2.4
How to fix
Upgrade to a fixed version: Wireshark Foundation Wireshark 4.0.14, 4.2.4. Check the vendor advisory for mitigations.
References
- https://gitlab.com/wireshark/wireshark/-/issues/19695
- https://www.wireshark.org/security/wnpa-sec-2024-06.html
- https://gitlab.com/wireshark/wireshark/-/issues/19695
- https://lists.debian.org/debian-lts-announce/2024/09/msg00049.html
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/Q7TWJQKXOV4HYI5C4TWRKTN7B5YL7GTU/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ZD2MNS6EW2K2SSMN4YBGPZCC47KBDNEE/
- https://www.wireshark.org/security/wnpa-sec-2024-06.html
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