An out-of-bounds read in the BGP daemon of FRRouting FRR before 8.4 may lead to a segmentation fault and denial of service. This occurs in bgp_capability_msg_parse in bgpd/bgp_packet.c.
https://bugzilla.suse.com/show_bug.cgi?id=1202023
https://github.com/FRRouting/frr/commit/6d58272b4cf96f0daa846210dd2104877900f921
https://github.com/FRRouting/frr/commit/ff6db1027f8f36df657ff2e5ea167773752537ed
https://lists.debian.org/debian-lts-announce/2022/11/msg00039.html