CVE-2021-20304

PoC —

CVSS 3.1

7.5 high

EPSS

2%p79

Published

Aug 23, 2022 (Aug 23, 2022)

Modified

Jun 17, 2026

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.

Vendors: openexr
Products: openexr
Weakness: CWE-190
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (1.9%)

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