It was found that dissectors that support zlib decompression could crash by injecting a malformed packet onto the wire or by convincing someone to read a malformed packet trace file. Upstream bug(s): https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14675 External References: https://www.wireshark.org/security/wnpa-sec-2018-36.html
Created wireshark tracking bugs for this issue: Affects: fedora-all [bug 1607334]
Upstream patch: https://code.wireshark.org/review/#/c/27561/2/epan/tvbuff_zlib.c
This issue has been addressed in the following products: Red Hat Enterprise Linux 7 Via RHSA-2020:1047 https://access.redhat.com/errata/RHSA-2020:1047
This bug is now closed. Further updates for individual products will be reflected on the CVE page(s): https://access.redhat.com/security/cve/cve-2018-14340