CVE-2018-18227

Severity: high (CVSS 7.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 3.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-10-12 · updated 2026-06-17
Weakness: CWE-476

Description

In Wireshark 2.6.0 to 2.6.3 and 2.4.0 to 2.4.9, the MS-WSP protocol dissector could crash. This was addressed in epan/dissectors/packet-mswsp.c by properly handling NULL return values.

Affected products

Debian Linux: 9.0
Wireshark Foundation Wireshark: from 2.4.0 through 2.4.9; from 2.6.0 through 2.6.3

References

http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html
http://www.securityfocus.com/bid/105583
http://www.securitytracker.com/id/1041909
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=15119
https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=d443be449a52f95df5754adc39e1f3472fec2f03
https://www.debian.org/security/2018/dsa-4359
https://www.oracle.com/security-alerts/cpuapr2020.html
https://www.wireshark.org/security/wnpa-sec-2018-47.html
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html
http://www.securityfocus.com/bid/105583
http://www.securitytracker.com/id/1041909
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=15119

Get alerted when CVE-2018-18227 or the next vulnerability affects your stack