CVE-2021-41055 Denial of service in n/a
Remote attackers can crash Gajim by sending a crafted XMPP Last Message Correction message in multi-user chats.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2021-41055?
CVE-2021-41055 is a high-severity denial of service vulnerability in n/a, published on 11 Oct 2021. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official 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.
Which versions are affected by CVE-2021-41055?
It affects 1 product.
Linux distribution packages (1)
gajim openSUSE:Tumbleweed | All versions | 1.3.3-1.1 |
Products include Gajim Gajim.
How do I fix CVE-2021-41055?
Upgrade to a fixed version.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2021-41055 being exploited?
There is no known exploitation of CVE-2021-41055 in the wild and no public exploit code.
Other vulnerabilities in n/a
Sources
Also known as DEBIAN-CVE-2021-41055, DSA-5064-1, GHSA-r23x-224g-484r, MGASA-2022-0179, UBUNTU-CVE-2021-41055, openSUSE-SU-2024:11734-1.