CVE-2021-29338

MEDIUM 5.5CVE-2021-29338 · Published 14/04/2021 · updated 17/06/2026

In short

CVE-2021-29338 is a MEDIUM (CVSS 5.5) vulnerability affecting openjpeg (uclouvain).
Chance of exploitation in the next 30 days (EPSS): 1.6%, higher than 75.2% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
openjpeg uclouvain	`= 2.4.0`	No fix yet

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.

References

uclouvain/openjpeg · Exploit
lists.debian.org/debian-lts-announce/2022/04/msg00006.html · Mailing List
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EZ54FGM2IGAP4AWSJ22JKHOPHCR3FGYU
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QB6AI7CWXWMEDZIQY4LQ6DMIEXMDOHUP
security.gentoo.org/glsa/202209-04 · Third Party Advisory
lists.debian.org/debian-lts-announce/2025/04/msg00002.html

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Package

Affected versions

Patched versions

openjpeg

uclouvain

= 2.4.0

No fix yet

More vulnerabilities in openjpeg

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