What’s Vulnerable › Vulnerabilities

CVE-2021-3575

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-03-04 · updated 2026-06-17
• Weakness: CWE-787

Description

A heap-based buffer overflow was found in openjpeg in color.c:379:42 in sycc420_to_rgb when decompressing a crafted .j2k file. An attacker could use this to execute arbitrary code with the permissions of the application compiled against openjpeg.

Affected products

• Fedoraproject Fedora: 33, 34
• Red Hat Enterprise Linux: 6.0, 7.0, 8.0
• uclouvain openjpeg: through 2.4.0

References

• https://bugzilla.redhat.com/show_bug.cgi?id=1957616
• https://github.com/uclouvain/openjpeg/issues/1347
• 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://ubuntu.com/security/CVE-2021-3575
• https://bugzilla.redhat.com/show_bug.cgi?id=1957616
• https://github.com/uclouvain/openjpeg/issues/1347
• 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://ubuntu.com/security/CVE-2021-3575

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