CVE-2021-41055

medium

Published — · Modified —

CVSS v3

—

CVSS v2

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VIR risk

5.5

Description

Gajim 1.2.x and 1.3.x before 1.3.3 allows remote attackers to cause a denial of service (crash) via a crafted XMPP Last Message Correction (XEP-0308) message in multi-user chat, where the message ID equals the correction ID.

Predictions

Exploit likelihood

20%

Patch ETA

—

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2021-41055

OS impact

OS	Version	Status	Fixed in
arch		fixed	`1.3.3-1`
debian	bookworm	fixed	`2.0.4-1`
debian	bullseye	fixed	`2.0.2-1+deb11u1`
debian	forky	fixed	`2.0.4-1`
debian	sid	fixed	`2.0.4-1`
debian	trixie	fixed	`2.0.4-1`

References

https://security-tracker.debian.org/tracker/CVE-2021-41055

Verify integrity in audit chain (admin only). AS-IS.