The Server-Server protocol implementation in ngIRCd before 26~rc2 allows an out-of-bounds access, as demonstrated by the IRC_NJOIN() function.
{ "binaries": [ { "binary_name": "ngircd", "binary_version": "22.1-2build1" } ] }
{ "binaries": [ { "binary_name": "ngircd", "binary_version": "24-2" } ] }
{ "binaries": [ { "binary_name": "ngircd", "binary_version": "25-3" } ] }