CVE-2022-31783 Memory corruption in n/a
An out-of-bounds write in Liblouis allows attackers to execute arbitrary code or cause denial of service via crafted input.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2022-31783?
CVE-2022-31783 is a medium-severity memory corruption vulnerability in Fedoraproject Fedora, published on 27 May 2022. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
Liblouis 3.21.0 has an out-of-bounds write in compileRule in compileTranslationTable.c, as demonstrated by lou_trace.
Weakness: CWE-787
Which versions are affected by CVE-2022-31783?
It affects 2 products.
Products include Fedoraproject Fedora, Liblouis Liblouis.
How do I fix CVE-2022-31783?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2022-31783 being exploited?
There is no known exploitation of CVE-2022-31783 in the wild and no public exploit code.
Other vulnerabilities in Fedoraproject Fedora
Sources
Also known as DEBIAN-CVE-2022-31783, GHSA-qh6w-j8cx-jf53, UBUNTU-CVE-2022-31783.