CVE-2022-42011 Denial of service in n/a
An authenticated attacker can crash D-Bus daemon and related programs by sending a message with inconsistent array length, causing denial of service.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- Available
What is CVE-2022-42011?
CVE-2022-42011 is a medium-severity denial of service vulnerability in Fedoraproject Fedora, published on 9 Oct 2022. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
An issue was discovered in D-Bus before 1.12.24, 1.13.x and 1.14.x before 1.14.4, and 1.15.x before 1.15.2. An authenticated attacker can cause dbus-daemon and other programs that use libdbus to crash when receiving a message where an array length is inconsistent with the size of the element type.
Weakness: CWE-129
Which versions are affected by CVE-2022-42011?
It affects 2 products.
Products include Fedoraproject Fedora, Freedesktop Dbus.
How do I fix CVE-2022-42011?
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-2022-42011 being exploited?
There is no known exploitation of CVE-2022-42011 in the wild and no public exploit code.
Other vulnerabilities in Fedoraproject Fedora
Sources
Also known as ALPINE-CVE-2022-42011, AZL-11092, DEBIAN-CVE-2022-42011, GHSA-3g2p-5q22-h774, JLSEC-2025-20, UBUNTU-CVE-2022-42011.