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Status published
High
CVE-2021-20304
A flaw was found in OpenEXR's hufDecode functionality. This flaw...
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.
Impact Analysis
Refer to official advisory for detailed impact metrics.
Remediation
Ensure systems are updated to the latest vendor-supplied patch levels.
THREAT MONITOR
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Credits & Attribution
No credits recorded in the NVD database.
References
- https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26229
- https://github.com/AcademySoftwareFoundation/openexr/pull/849
- https://github.com/AcademySoftwareFoundation/openexr/commit/51a92d67f53c08230734e74564c807043cbfe41e
- https://bugzilla.redhat.com/show_bug.cgi?id=1939157
- https://access.redhat.com/security/cve/CVE-2021-20304
- https://security.gentoo.org/glsa/202210-31
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Affected Vendor
Affected Software
OpenEXR
Vulnerable Versions:
Fixed in OpenEXR 3.0.0-beta
Timeline
Official Publish:
August 23rd, 2022
Last Modified:
August 3rd, 2024
Added to House:
July 21st, 2026
CVSS Vectors
V3:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H