CVE-2024-4854: Loop with Unreachable Exit Condition ('Infinite Loop') in Wireshark

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2024-05-14 · updated 2026-06-17
Weakness: CWE-835

Description

MONGO and ZigBee TLV dissector infinite loops in Wireshark 4.2.0 to 4.2.4, 4.0.0 to 4.0.14, and 3.6.0 to 3.6.22 allow denial of service via packet injection or crafted capture file

Affected products

Fedoraproject Fedora: 39, 40
Wireshark Foundation Wireshark: from 3.6.0 through 3.6.22; from 4.0.0 through 4.0.14; from 4.2.0 through 4.2.4

References

https://gitlab.com/wireshark/wireshark/-/issues/19726
https://gitlab.com/wireshark/wireshark/-/merge_requests/15047
https://gitlab.com/wireshark/wireshark/-/merge_requests/15499
https://www.wireshark.org/security/wnpa-sec-2024-07.html
https://gitlab.com/wireshark/wireshark/-/issues/19726
https://gitlab.com/wireshark/wireshark/-/merge_requests/15047
https://gitlab.com/wireshark/wireshark/-/merge_requests/15499
https://lists.debian.org/debian-lts-announce/2024/09/msg00049.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/66H2BSENPSIALF2WIZF7M3QBVWYBMFGW/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/7MKFJAZDKXGFFQPRDYLX2AANRNMYZZEZ/
https://www.wireshark.org/security/wnpa-sec-2024-07.html

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