{"cve":"CVE-2021-3941","nvd":{"published":"2022-03-25T19:15:09.307","modified":"2026-06-17T04:06:01.420","status":"Modified","description":"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.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:N/I:N/A:H","score":6.5},"cwes":["CWE-369"],"references":["https://bugzilla.redhat.com/show_bug.cgi?id=2019789","https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I2JSMJ7HLWFPYYV7IAQZD5ZUUUN7RWBN/","https://security.gentoo.org/glsa/202210-31","https://www.debian.org/security/2022/dsa-5299"],"products":["debian:debian_linux","fedoraproject:fedora","openexr:openexr","redhat:enterprise_linux"],"source":"nvd","synced_at":"2026-10-19T21:29:06.454770966+00:00"},"epss":{"cve":"CVE-2021-3941","score":0.00303,"percentile":0.2307,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}