CVE-2017-17997

In Wireshark before 2.2.12, the MRDISC dissector misuses a NULL pointer and crashes. This was addressed in epan/dissectors/packet-mrdisc.c by validating an IPv4 address. This vulnerability is similar to CVE-2017-9343.

• CWE-476

• https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14299Issue Tracking, Patch, Vendor Advisory
• https://code.wireshark.org/review/#/c/25063/Issue Tracking, Patch, Vendor Advisory
• https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=80a695869c9aef2fb473d9361da068022be7cb50
• https://lists.debian.org/debian-lts-announce/2019/01/msg00010.htmlMailing List, Third Party Advisory
• https://www.wireshark.org/security/wnpa-sec-2018-02.htmlVendor Advisory
• https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14299Issue Tracking, Patch, Vendor Advisory
• https://code.wireshark.org/review/#/c/25063/Issue Tracking, Patch, Vendor Advisory
• https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=80a695869c9aef2fb473d9361da068022be7cb50
• https://lists.debian.org/debian-lts-announce/2019/01/msg00010.htmlMailing List, Third Party Advisory
• https://www.wireshark.org/security/wnpa-sec-2018-02.htmlVendor Advisory

Published

Dec 30, 2017

Last Modified

Jun 17, 2026

Status

Modified

• How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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