Description
Irssi 1.2.x before 1.2.2 has a use-after-free if the IRC server sends a double CAP.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | irssi | 1.2.2-1 | — |
| Debian 13 | irssi | 1.2.2-1 | — |
| Debian 12 | irssi | 1.2.2-1 | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | irssi | 1.2.3-2.4 | openSUSE-SU-2024:10865-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | irssi | 1.2.2-r0 | — |
| Alpine v3.23 | irssi | 1.2.2-r0 | — |
| Alpine v3.22 | irssi | 1.2.2-r0 | — |
| Alpine v3.21 | irssi | 1.2.2-r0 | — |
| Alpine v3.20 | irssi | 1.2.2-r0 | — |
Show 10 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | irssi | 1.2.2-r0 | — |
| Alpine v3.18 | irssi | 1.2.2-r0 | — |
| Alpine v3.17 | irssi | 1.2.2-r0 | — |
| Alpine v3.16 | irssi | 1.2.2-r0 | — |
| Alpine v3.15 | irssi | 1.2.2-r0 | — |
| Alpine v3.14 | irssi | 1.2.2-r0 | — |
| Alpine v3.13 | irssi | 1.2.2-r0 | — |
| Alpine v3.12 | irssi | 1.2.2-r0 | — |
| Alpine v3.11 | irssi | 1.2.2-r0 | — |
| Alpine v3.10 | irssi | 1.2.2-r0 | — |
Advisories 1
- openSUSE-SU-2024:10865-1 irssi-1.2.3-2.4 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- https://irssi.org/security/irssi_sa_2019_08.txt
- [oss-security] 20190829 Irssi 1.2.2:CVE-2019-15717 mailing-list
- [oss-security] 20190829 Re: Irssi 1.2.2:CVE-2019-15717 mailing-list
- USN-4119-1 vendor-advisory
- FEDORA-2019-d2257607b8 vendor-advisory