The unformat_24bit_color function in the format parsing code in Irssi before 0.8.20, when compiled with true-color enabled, allows remote attackers to cause a denial of service (heap corruption and crash) via an incomplete 24bit color code.
| Software | From | Fixed in |
|---|---|---|
| irssi / irssi | - | 0.8.19.x |
| debian / debian_linux | 8.0 | 8.0.x |
| canonical / ubuntu_linux | 16.04 | 16.04.x |