In Wireshark 3.0.0 to 3.0.2, 2.6.0 to 2.6.9, and 2.4.0 to 2.4.15, the ASN.1 BER dissector and related dissectors could crash. This was addressed in epan/asn1.c by properly restricting buffer increments.Referenceshttps://bugs.wireshark.org/bugzilla/show_bug.cgi?id=15870https://www.wireshark.org/security/wnpa-sec-2019-20.htmlhttps://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=7e90aed666e809c0db5de9d1816802a7dcea28d9http://www.securityfocus.com/bid/109293http://lists.opensuse.org/opensuse-security-announce/2019-08/msg00068.htmlhttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JY52XAC2UNC4X4ZPIXYMK5SVXV2PO5I3/https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Q4QVJALLGVVC7MBUT4B4SHQVDXGJKGI7/https://usn.ubuntu.com/4133-1/http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.htmlhttps://lists.debian.org/debian-lts-announce/2021/02/msg00008.html
