NULL Pointer Dereference Affecting OpenEXR package, versions *


Severity

Recommended
low

Based on Red Hat Enterprise Linux security rating.

Threat Intelligence

EPSS
1.75% (75th percentile)

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  • Snyk IDSNYK-RHEL7-OPENEXR-1404040
  • published26 Jul 2021
  • disclosed15 Feb 2021

Introduced: 15 Feb 2021

CVE-2021-20296  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

There is no fixed version for RHEL:7 OpenEXR.

NVD Description

Note: Versions mentioned in the description apply only to the upstream OpenEXR package and not the OpenEXR package as distributed by RHEL. See How to fix? for RHEL:7 relevant fixed versions and status.

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.

CVSS Base Scores

version 3.1