The Server-Server protocol implementation in ngIRCd before 26~rc2 allows an out-of-bounds access, as demonstrated by the IRC_NJOIN() function.
| Software | From | Fixed in |
|---|---|---|
| barton / ngircd | 26.0-rc1 | 26.0-rc1.x |
| barton / ngircd | - | 25.0.x |
| debian / debian_linux | 8.0 | 8.0.x |
| fedoraproject / fedora | 31 | 31.x |
| fedoraproject / fedora | 32 | 32.x |