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. Upstream issue: https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14466 Upstream patch: https://code.wireshark.org/review/gitweb?p=wireshark.git;a=commit;h=dc4d209f39132a4ae05675a11609176ae9705cfc External References: https://www.wireshark.org/security/wnpa-sec-2018-51.html
Created wireshark tracking bugs for this issue: Affects: fedora-all [bug 1655944]
Statement: This issue affects the versions of wireshark as shipped with Red Hat Enterprise Linux 5, 6, and 7. Red Hat Enterprise Linux 5 is now in Extended Life Phase of the support and maintenance life cycle. This issue is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/. Red Hat Enterprise Linux 6 is now in Maintenance Support 2 Phase of the support and maintenance life cycle. This has been rated as having a security impact of Low, and is not currently planned to be addressed in future updates. For additional information, refer to the Red Hat Enterprise Linux Life Cycle: https://access.redhat.com/support/policy/updates/errata/.