CVE-2014-4020

Severity: medium (CVSS 4.3 v2.0)
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: 2014-06-18 · updated 2026-06-17
Weakness: CWE-189

Description

The dissect_frame function in epan/dissectors/packet-frame.c in the frame metadissector in Wireshark 1.10.x before 1.10.8 interprets a negative integer as a length value even though it was intended to represent an error condition, which allows remote attackers to cause a denial of service (application crash) via a crafted packet.

Affected products

Wireshark Foundation Wireshark: 1.10.0, 1.10.1, 1.10.2, 1.10.3, 1.10.4, 1.10.5 (+2)

References

http://lists.opensuse.org/opensuse-updates/2014-06/msg00049.html
http://www.wireshark.org/security/wnpa-sec-2014-07.html
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=10030
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=9999
https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=beb119f911a698d44f4baa06d888bb1e775983bc
http://lists.opensuse.org/opensuse-updates/2014-06/msg00049.html
http://www.wireshark.org/security/wnpa-sec-2014-07.html
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=10030
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=9999
https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=beb119f911a698d44f4baa06d888bb1e775983bc

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