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CVE-2021-20304

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Date: August 22, 2022

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.

Severity Score

Related Resources (10)

https://access.redhat.com/security/cve/CVE-2021-20304
https://github.com/AcademySoftwareFoundation/openexr/pull/849
https://github.com/AcademySoftwareFoundation/openexr/commit/51a92d67f53c08230734e74564c807043cbfe41e
https://security.gentoo.org/glsa/202210-31
https://security-tracker.debian.org/tracker/CVE-2021-20304
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=26229
https://bugzilla.redhat.com/show_bug.cgi?id=1939157
https://nvd.nist.gov/vuln/detail/CVE-2021-20304
https://people.canonical.com/~ubuntu-security/cve/CVE-2021-20304
https://www.mend.io/vulnerability-database/CVE-2021-20304

Severity Score

Weakness Type (CWE)

Integer Overflow or Wraparound

CWE-190

Top Fix

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CVSS v3.1

Base Score:
Attack Vector (AV): NETWORK
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

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