Description
An issue was discovered in Gajim through 1.4.7. The vulnerability allows attackers, via crafted XML stanzas, to correct messages that were not sent by them. The attacker needs to be part of the group chat or single chat. The fixed version is 1.5.0.
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 | gajim | 1.5.0-1 | — |
| Debian 13 | gajim | 1.5.0-1 | — |
| Debian 12 | gajim | 1.5.0-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 22.04 LTS | gajim | No fix yet | — |
| Ubuntu 20.04 LTS | gajim | No fix yet | — |
| Ubuntu 18.04 LTS | gajim | No fix yet | — |
| Ubuntu 16.04 LTS | gajim | No fix yet | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | gajim | 1.5.1-1.1 | openSUSE-SU-2024:12354-1 |
Advisories 1
- openSUSE-SU-2024:12354-1 gajim-1.5.1-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026