An issue was discovered in WeeChat before 2.7.1. When receiving IRC message 005 with longer nick prefixes, a buffer overflow and possibly a crash can happen when a new mode is set for a nick.
Created weechat tracking bugs for this issue: Affects: epel-6 [bug 1817399] Affects: epel-7 [bug 1817400] Affects: fedora-all [bug 1817398]
This CVE Bugzilla entry is for community support informational purposes only as it does not affect a package in a commercially supported Red Hat product. Refer to the dependent bugs for status of those individual community products.