CVE-2021-29338 Integer overflow in n/a
Remote attackers can cause a Denial of Service in OpenJPEG by triggering an integer overflow when processing directories with a large number of files.
- 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-2021-29338?
CVE-2021-29338 is a medium-severity vulnerability in Debian Debian Linux, published on 14 Apr 2021. 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
Integer Overflow in OpenJPEG v2.4.0 allows remote attackers to crash the application, causing a Denial of Service (DoS). This occurs when the attacker uses the command line option "-ImgDir" on a directory that contains 1048576 files.
Weakness: CWE-190
Which versions are affected by CVE-2021-29338?
It affects 3 products.
Products include Debian Debian Linux, Fedoraproject Fedora, Uclouvain Openjpeg.
How do I fix CVE-2021-29338?
Upgrade to a fixed version.
Is CVE-2021-29338 being exploited?
There is no known exploitation of CVE-2021-29338 in the wild and no public exploit code.
Other vulnerabilities in Debian Debian Linux
Sources
Also known as ALPINE-CVE-2021-29338, AZL-44442, DEBIAN-CVE-2021-29338, GHSA-q6p7-g6cv-v3pc, JLSEC-2026-545, MGASA-2021-0216 and 2 more.