CVE-2018-11356

Severity: high (CVSS 7.5 v3.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2018-05-22 · updated 2026-06-17
Weakness: CWE-476

Description

In Wireshark 2.6.0, 2.4.0 to 2.4.6, and 2.2.0 to 2.2.14, the DNS dissector could crash. This was addressed in epan/dissectors/packet-dns.c by avoiding a NULL pointer dereference for an empty name in an SRV record.

Affected products

Debian Linux: 8.0
Wireshark Foundation Wireshark: from 2.2.0 through 2.2.14; from 2.4.0 through 2.4.6; 2.6.0

References

http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html
http://www.securityfocus.com/bid/104308
http://www.securitytracker.com/id/1041036
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14681
https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=4425716ddba99374749bd033d9bc0f4add2fb973
https://lists.debian.org/debian-lts-announce/2019/01/msg00010.html
https://www.wireshark.org/security/wnpa-sec-2018-29.html
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html
http://www.securityfocus.com/bid/104308
http://www.securitytracker.com/id/1041036
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14681
https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=4425716ddba99374749bd033d9bc0f4add2fb973

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