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CVE-2021-3941

Status Candidate

Overview

In ImfChromaticities.cpp routine RGBtoXYZ(), there are some division operations such as `float Z = (1 - chroma.white.x - chroma.white.y) * Y / chroma.white.y;` and `chroma.green.y * (X + Z))) / d;` but the divisor is not checked for a 0 value. A specially crafted file could trigger a divide-by-zero condition which could affect the availability of programs linked with OpenEXR.

Related Files

Debian Security Advisory 5299-1
Posted Dec 11, 2022
Authored by Debian | Site debian.org

Debian Linux Security Advisory 5299-1 - Multiple security vulnerabilities have been found in OpenEXR, command-line tools and a library for the OpenEXR image format. Buffer overflows or out-of-bound reads could lead to a denial of service (application crash) if a malformed image file is processed.

tags | advisory, denial of service, overflow, vulnerability
systems | linux, debian
advisories | CVE-2021-23215, CVE-2021-26260, CVE-2021-3598, CVE-2021-3605, CVE-2021-3933, CVE-2021-3941, CVE-2021-45942
SHA-256 | 7f4d3631413d2ef484ca90cf94efbde5b213df06ad33de148b8d14d09f721fd7
Gentoo Linux Security Advisory 202210-31
Posted Oct 31, 2022
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 202210-31 - Multiple vulnerabilities have been discovered in OpenEXR, the worst of which could result in arbitrary code execution. Versions less than 3.1.5 are affected.

tags | advisory, arbitrary, vulnerability, code execution
systems | linux, gentoo
advisories | CVE-2021-20304, CVE-2021-23169, CVE-2021-3598, CVE-2021-3605, CVE-2021-3933, CVE-2021-3941, CVE-2021-45942
SHA-256 | 742933db53305617f957ea035a21cf86bd376a21134fa31149ac0272c00d2cf1
Ubuntu Security Notice USN-5150-1
Posted Nov 18, 2021
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5150-1 - It was discovered that OpenEXR incorrectly handled certain EXR image files. An attacker could possibly use this issue to cause a crash.

tags | advisory
systems | linux, ubuntu
advisories | CVE-2021-3941
SHA-256 | a1c19126d3078b5ddc89267a23f5b56141202f056eb2d5c95e54a0aacafcd6ed
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