NULL Pointer Dereference The advisory has been revoked - it doesn't affect any version of package mingw32-OpenEXR (opens in a new tab)
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-RHEL8-MINGW32OPENEXR-1351398
- published26 Jul 2021
- disclosed15 Feb 2021
Introduced: 15 Feb 2021
CVE-2021-20296 (opens in a new tab)Amendment
The Red Hat security team deemed this advisory irrelevant for RHEL:8.
NVD Description
Note: Versions mentioned in the description apply only to the upstream mingw32-OpenEXR package and not the mingw32-OpenEXR package as distributed by RHEL.
A flaw was found in OpenEXR in versions before 3.0.0-beta. A crafted input file supplied by an attacker, that is processed by the Dwa decompression functionality of OpenEXR's IlmImf library, could cause a NULL pointer dereference. The highest threat from this vulnerability is to system availability.
References
- https://access.redhat.com/security/cve/CVE-2021-20296
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24854
- https://bugzilla.redhat.com/show_bug.cgi?id=1939141
- https://lists.debian.org/debian-lts-announce/2021/07/msg00001.html
- https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html
- https://security.gentoo.org/glsa/202107-27