It may be possible to make Wireshark crash by injecting a malformed packet onto the wire or by convincing someone to read a malformed packet trace file. Upstream bug: https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=15171
External References: https://www.wireshark.org/security/wnpa-sec-2018-48
Created wireshark tracking bugs for this issue: Affects: fedora-all [bug 1642918]
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-2018-18226