CVE-2013-6340

Severity: medium (CVSS 4.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 1.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2013-11-04 · updated 2026-06-17
Weakness: CWE-20

Description

epan/dissectors/packet-tcp.c in the TCP dissector in Wireshark 1.8.x before 1.8.11 and 1.10.x before 1.10.3 does not properly determine the amount of remaining data, which allows remote attackers to cause a denial of service (application crash) via a crafted packet.

Affected products

Wireshark Foundation Wireshark: 1.8.0, 1.8.1, 1.8.2, 1.8.3, 1.8.4, 1.8.5 (+8)

References

http://anonsvn.wireshark.org/viewvc/trunk/epan/dissectors/packet-tcp.c?r1=52570&r2=52569&pathrev=52570
http://anonsvn.wireshark.org/viewvc?view=revision&revision=52570
http://lists.opensuse.org/opensuse-updates/2013-11/msg00026.html
http://lists.opensuse.org/opensuse-updates/2013-11/msg00027.html
http://rhn.redhat.com/errata/RHSA-2014-0342.html
http://www.debian.org/security/2013/dsa-2792
http://www.wireshark.org/security/wnpa-sec-2013-65.html
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=9263
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A19298
http://anonsvn.wireshark.org/viewvc/trunk/epan/dissectors/packet-tcp.c?r1=52570&r2=52569&pathrev=52570
http://anonsvn.wireshark.org/viewvc?view=revision&revision=52570
http://lists.opensuse.org/opensuse-updates/2013-11/msg00026.html

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