What’s Vulnerable › Vulnerabilities

CVE-2021-3605

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 1.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2021-08-25 · updated 2026-06-17
• Weakness: CWE-119

Description

There's a flaw in OpenEXR's rleUncompress functionality in versions prior to 3.0.5. An attacker who is able to submit a crafted file to an application linked with OpenEXR could cause an out-of-bounds read. The greatest risk from this flaw is to application availability.

Affected products

• Debian Linux: 10.0, 11.0
• AcademySoftwareFoundation openexr: before 3.0.5 — fixed in 3.0.5
• Red Hat Enterprise Linux: 8.0

How to fix

Upgrade to a fixed version: AcademySoftwareFoundation openexr 3.0.5. Check the vendor advisory for mitigations.

References

• https://bugzilla.redhat.com/show_bug.cgi?id=1970991
• https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html
• https://security.gentoo.org/glsa/202210-31
• https://www.debian.org/security/2022/dsa-5299
• https://bugzilla.redhat.com/show_bug.cgi?id=1970991
• https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html
• https://security.gentoo.org/glsa/202210-31
• https://www.debian.org/security/2022/dsa-5299

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