In Wireshark 2.6.0 to 2.6.4 and 2.4.0 to 2.4.10, the dissection engine could crash. This was addressed in epan/tvbuff_composite.c by preventing a heap-based buffer over-read.Referenceshttps://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14466https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=dc4d209f39132a4ae05675a11609176ae9705cfchttps://lists.debian.org/debian-lts-announce/2019/01/msg00010.htmlhttps://www.wireshark.org/security/wnpa-sec-2018-51.htmlhttp://www.securityfocus.com/bid/106051https://www.debian.org/security/2018/dsa-4359http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.htmlhttps://www.oracle.com/security-alerts/cpuapr2020.html
