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VULNERABILITIES

CVE-2021-20296 Details

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.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:5.3 MEDIUMVector:CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URLSource(s)Tag(s)
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=24854 CVEIssue TrackingMailing ListPatchThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1939141 CVEIssue TrackingPatchThird Party Advisory
https://lists.debian.org/debian-lts-announce/2021/07/msg00001.html CVEMailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2022/12/msg00022.html CVEMailing ListThird Party Advisory
https://security.gentoo.org/glsa/202107-27 CVEThird Party Advisory

see all 10 references

Weakness Enumeration

CWE-IDCWE NameSource
CWE-476NULL Pointer Dereference[email protected]

Affected Products

ProductVersions
openexr openexr
< 2.4.3
>= 2.5.0, < 2.5.4

CPE

  • cpe:2.3:a:openexr:openexr:*:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.
debian debian linux
9.0
10.0

CPE

  • cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
  • cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*

Remediation

  • No remediation found in references.

Change History

12 change records found show changes

QUICK INFO

CVE Dictionary Entry:
CVE-2021-20296
NVD Published Date:
Apr 1, 2021
NVD Last Modified:
Jun 17, 2026
Source:
[email protected]