CVE-2021-20296

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CVSS 3.1

5.3 medium

EPSS

2%p76

Published

Apr 1, 2021 (Apr 1, 2021)

Modified

Jun 17, 2026

Description

A flaw was found in OpenEXR in versions before 3.0.0-beta. A crafted input file supplied by an attacker, that is processed by the Dwa decompression functionality of OpenEXR's IlmImf library, could cause a NULL pointer dereference. The highest threat from this vulnerability is to system availability.

Vendors: openexr debian
Products: openexr, debian linux
Weakness: CWE-476
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

NVD CVE.org GitHub PoCs EPSS (1.7%)

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