What’s Vulnerable › Vulnerabilities

CVE-2021-29338

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.6% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2021-04-14 · updated 2026-06-17
• Weakness: CWE-190

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.

Affected products

• Debian Linux: 9.0
• Fedoraproject Fedora: 33, 34
• uclouvain openjpeg: 2.4.0

References

• https://github.com/uclouvain/openjpeg/issues/1338
• https://lists.debian.org/debian-lts-announce/2022/04/msg00006.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EZ54FGM2IGAP4AWSJ22JKHOPHCR3FGYU/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QB6AI7CWXWMEDZIQY4LQ6DMIEXMDOHUP/
• https://security.gentoo.org/glsa/202209-04
• https://github.com/uclouvain/openjpeg/issues/1338
• https://lists.debian.org/debian-lts-announce/2022/04/msg00006.html
• https://lists.debian.org/debian-lts-announce/2025/04/msg00002.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/EZ54FGM2IGAP4AWSJ22JKHOPHCR3FGYU/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/QB6AI7CWXWMEDZIQY4LQ6DMIEXMDOHUP/
• https://security.gentoo.org/glsa/202209-04

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