Vulnerability Description
A flaw was found in OpenEXR's hufUncompress functionality in OpenEXR/IlmImf/ImfHuf.cpp. This flaw allows an attacker who can submit a crafted file that is processed by OpenEXR, to trigger an integer overflow. The highest threat from this vulnerability is to system availability.
CVSS Score
MEDIUM
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Openexr | Openexr | < 2.5.4 |
| Debian | Debian Linux | 10.0 |
Related Weaknesses (CWE)
References
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25562Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1939153Issue TrackingThird Party Advisory
- https://github.com/AcademySoftwareFoundation/openexr/pull/836PatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/12/msg00022.htmlMailing ListThird Party Advisory
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=25562Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1939153Issue TrackingThird Party Advisory
- https://github.com/AcademySoftwareFoundation/openexr/pull/836PatchThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/12/msg00022.htmlMailing ListThird Party Advisory
FAQ
What is CVE-2021-20300?
CVE-2021-20300 is a vulnerability with a CVSS score of 5.5 (MEDIUM). A flaw was found in OpenEXR's hufUncompress functionality in OpenEXR/IlmImf/ImfHuf.cpp. This flaw allows an attacker who can submit a crafted file that is processed by OpenEXR, to trigger an integer o...
How severe is CVE-2021-20300?
CVE-2021-20300 has been rated MEDIUM with a CVSS base score of 5.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-20300?
Check the references section above for vendor advisories and patch information. Affected products include: Openexr Openexr, Debian Debian Linux.