Irssi before 0.8.21 allows remote attackers to cause a denial of service (out-of-bounds read and crash) via a string containing a formatting sequence (%[) without a closing bracket (]).
| Software | From | Fixed in |
|---|---|---|
| irssi / irssi | - | 0.8.21 |
| debian / debian_linux | 7.0 | 7.0.x |