CVE-2021-20304
HIGH
7.5
CVSS Score
Published: August 23, 2022 at 12:00 AM UTC
Updated: June 17, 2026 at 03:33 AM UTC
1 product affected across 1 vendorOpenexr
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Severity
HIGH7.5
Exploit prediction
EPSS 2%
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.
Remediation
No guide yetNo remediation guidance has been written for this CVE yet. What the record does show:
References (6)
ExploitMailing ListThird Party Advisory
Source: [email protected]
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26229Issue TrackingThird Party Advisory
Source: [email protected]
https://bugzilla.redhat.com/show_bug.cgi?id=1939157PatchThird Party Advisory
Source: [email protected]
https://github.com/AcademySoftwareFoundation/openexr/commit/51a92d67f53c08230734e74564c807043cbfe41ePatchThird Party Advisory
Source: [email protected]
https://github.com/AcademySoftwareFoundation/openexr/pull/849Vendor AdvisoryThird Party Advisory
Source: [email protected]
https://security.gentoo.org/glsa/202210-31CVSS
- Attack Vector
- NETWORK
- Complexity
- LOW
- Privileges
- NONE
- User Interaction
- NONE
- Scope
- UNCHANGED
- Confidentiality
- NONE
- Integrity
- NONE
- Availability
- HIGH
Vector?
Quick Info
StatusMODIFIED
CWE
CWE-190
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