Vulnerability Description
A flaw was found in OpenEXR's hufDecode functionality. This flaw allows an attacker who can pass a crafted file to be processed by OpenEXR, to trigger an undefined right shift error. The highest threat from this vulnerability is to system availability.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Openexr | Openexr | <= 2.5.7 |
Related Weaknesses (CWE)
References
- https://access.redhat.com/security/cve/CVE-2021-20304Third Party Advisory
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26229ExploitMailing ListThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1939157Issue TrackingThird Party Advisory
- https://github.com/AcademySoftwareFoundation/openexr/commit/51a92d67f53c08230734PatchThird Party Advisory
- https://github.com/AcademySoftwareFoundation/openexr/pull/849PatchThird Party Advisory
- https://security.gentoo.org/glsa/202210-31Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2021-20304Third Party Advisory
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26229ExploitMailing ListThird Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=1939157Issue TrackingThird Party Advisory
- https://github.com/AcademySoftwareFoundation/openexr/commit/51a92d67f53c08230734PatchThird Party Advisory
- https://github.com/AcademySoftwareFoundation/openexr/pull/849PatchThird Party Advisory
- https://security.gentoo.org/glsa/202210-31Third Party Advisory
FAQ
What is CVE-2021-20304?
CVE-2021-20304 is a vulnerability with a CVSS score of 7.5 (HIGH). A flaw was found in OpenEXR's hufDecode functionality. This flaw allows an attacker who can pass a crafted file to be processed by OpenEXR, to trigger an undefined right shift error. The highest threa...
How severe is CVE-2021-20304?
CVE-2021-20304 has been rated HIGH with a CVSS base score of 7.5/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-20304?
Check the references section above for vendor advisories and patch information. Affected products include: Openexr Openexr.