CVE-2022-24191 Denial of service in n/a
An infinite loop in HTMLDOC's GIF processing can cause a buffer overflow, leading to application crashes and denial of service.
- 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-2022-24191?
CVE-2022-24191 is a medium-severity denial of service vulnerability in Fedoraproject Fedora, published on 4 Apr 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
In HTMLDOC 1.9.14, an infinite loop in the gif_read_lzw function can lead to a pointer arbitrarily pointing to heap memory and resulting in a buffer overflow.
Weakness: CWE-835
Which versions are affected by CVE-2022-24191?
It affects 2 products.
Products include Fedoraproject Fedora, Htmldoc Project Htmldoc.
How do I fix CVE-2022-24191?
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-2022-24191 being exploited?
There is no known exploitation of CVE-2022-24191 in the wild and no public exploit code.
Other vulnerabilities in Fedoraproject Fedora
Sources
Also known as DEBIAN-CVE-2022-24191, GHSA-88v7-976w-9hc8, UBUNTU-CVE-2022-24191.