Description
Irssi before 1.0.8, 1.1.x before 1.1.3, and 1.2.x before 1.2.1, when SASL is enabled, has a use after free when sending SASL login to the server.
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 | 1.2.1-1 | — |
| Debian 13 | irssi | 1.2.1-1 | — |
| Debian 12 | irssi | 1.2.1-1 | — |
| Debian 9 | irssi | 1.0.7-1~deb9u2 | DLA-3025-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | irssi | 1.0.5-1ubuntu4.2 | USN-4046-1 |
| Ubuntu 16.04 LTS | irssi | 0.8.19-1ubuntu1.9 | USN-4046-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 8 | irssi +1 | 1.1.1-3.el8 | RHSA-2020:1616 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 8 | irssi +1 | 1.1.1-3.el8 | ALSA-2020:1616 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 8 | irssi | 1.1.1-3.el8 | RLSA-2020:1616 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SUSE Package Hub 15 SP1 | irssi | 1.1.3-bp151.3.3.3 | openSUSE-SU-2019:1894-1 |
| SUSE Package Hub 15 | irssi | 1.1.3-bp150.33.1 | openSUSE-SU-2019:1690-1 |
| SUSE Package Hub 12 | irssi | 1.1.3-bp150.33.1 | openSUSE-SU-2019:1690-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | irssi | 1.2.3-2.4 | openSUSE-SU-2024:10865-1 |
| openSUSE Leap 15.1 | irssi | 1.1.3-bp150.33.1 | openSUSE-SU-2019:1690-1 |
| openSUSE Leap 15.0 | irssi | 1.1.3-bp150.33.1 | openSUSE-SU-2019:1690-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | irssi | 1.2.1-r0 | — |
| Alpine v3.23 | irssi | 1.2.1-r0 | — |
| Alpine v3.22 | irssi | 1.2.1-r0 | — |
| Alpine v3.21 | irssi | 1.2.1-r0 | — |
| Alpine v3.20 | irssi | 1.2.1-r0 | — |
Show 13 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | irssi | 1.2.1-r0 | — |
| Alpine v3.18 | irssi | 1.2.1-r0 | — |
| Alpine v3.17 | irssi | 1.2.1-r0 | — |
| Alpine v3.16 | irssi | 1.2.1-r0 | — |
| Alpine v3.15 | irssi | 1.2.1-r0 | — |
| Alpine v3.14 | irssi | 1.2.1-r0 | — |
| Alpine v3.13 | irssi | 1.2.1-r0 | — |
| Alpine v3.12 | irssi | 1.2.1-r0 | — |
| Alpine v3.11 | irssi | 1.2.1-r0 | — |
| Alpine v3.10 | irssi | 1.2.1-r0 | — |
| Alpine v3.9 | irssi | 1.1.3-r0 | — |
| Alpine v3.8 | irssi | 1.1.3-r0 | — |
| Alpine v3.7 | irssi | 1.0.8-r0 | — |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | irssi | 1.4.5-1 | — |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 8 | irssi +1 | 1.1.1-3.el8 | ELSA-2020-1616 |
Advisories 9
- ALSA-2020:1616 Low: irssi security update AlmaLinux Security Advisories · Oct 29, 2026
- RHSA-2020:1616 Red Hat Security Advisory: irssi security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- USN-4046-1 irssi vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- DLA-3025-1 irssi - security update Debian Security (DSA / DLA) · Mar 9, 2026
- RLSA-2020:1616 Low: irssi security update Rocky Linux Security Advisories · Feb 4, 2026
- openSUSE-SU-2024:10865-1 irssi-1.2.3-2.4 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2019:1690-1 Security update for irssi SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2019:1894-1 Security update for irssi SUSE / openSUSE Security Updates · Feb 4, 2026
- ELSA-2020-1616 Low: irssi security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · May 5, 2020
References
- https://github.com/irssi/irssi/commit/d23b0d22cc611e43c88d99192a59f413f951a955
- https://irssi.org/security/irssi_sa_2019_06.txt
- [oss-security] 20190629 Irssi 1.2.1/1.1.3/1.0.8: CVE-2019-13045 mailing-list
- 20190630 [slackware-security] irssi (SSA:2019-180-01) mailing-list
- http://packetstormsecurity.com/files/153480/Slackware-Security-Advisory-irssi-Updates.html
- openSUSE-SU-2019:1690 vendor-advisory
- 108998 vdb-entry
- USN-4046-1 vendor-advisory
- openSUSE-SU-2019:1894 vendor-advisory