Integer Overflow or Wraparound The advisory has been revoked - it doesn't affect any version of package openexr (opens in a new tab)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-UBUNTU2104-OPENEXR-1255670
- published1 Apr 2021
- disclosed30 Mar 2021
Introduced: 30 Mar 2021
CVE-2021-3474 (opens in a new tab)Amendment
The Ubuntu security team deemed this advisory irrelevant for Ubuntu:21.04.
NVD Description
Note: Versions mentioned in the description apply only to the upstream openexr package and not the openexr package as distributed by Ubuntu.
There's a flaw in OpenEXR in versions before 3.0.0-beta. A crafted input file that is processed by OpenEXR could cause a shift overflow in the FastHufDecoder, potentially leading to problems with application availability.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2021-3474
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24831
- https://bugzilla.redhat.com/show_bug.cgi?id=1939142
- 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