CVE-2018-9263

Severity: high (CVSS 7.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.5% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2018-04-04 · updated 2026-06-17

Description

In Wireshark 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13, the Kerberos dissector could crash. This was addressed in epan/dissectors/packet-kerberos.c by ensuring a nonzero key length.

Affected products

Debian Linux: 7.0, 8.0
Wireshark Foundation Wireshark: from 2.2.0 through 2.2.13; from 2.4.0 through 2.4.5

References

https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14576
https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=4fe65168fd0de81306710330aa414f10f53cbdf0
https://lists.debian.org/debian-lts-announce/2018/05/msg00019.html
https://lists.debian.org/debian-lts-announce/2019/01/msg00010.html
https://www.wireshark.org/security/wnpa-sec-2018-23.html
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14576
https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=4fe65168fd0de81306710330aa414f10f53cbdf0
https://lists.debian.org/debian-lts-announce/2018/05/msg00019.html
https://lists.debian.org/debian-lts-announce/2019/01/msg00010.html
https://www.wireshark.org/security/wnpa-sec-2018-23.html

Get alerted when CVE-2018-9263 or the next vulnerability affects your stack