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CVE-2021-20296

nvd nist
Published: Apr 1, 2021Modified: Jun 17, 2026

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5.3
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Exploitability: 3.9 / Impact: 1.4
Source: NVD

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.

Affected (4)

Openexr
1 product
Openexr
Debian
1 product
Debian Linux
Configuration A
2 vulnerable
Vulnerable SoftwareAffected Versions
Openexr
Openexr
Before 2.4.3
Openexr
From 2.5.0 to 2.5.4
Configuration B
2 vulnerable
Vulnerable SoftwareAffected Versions
Debian
Debian Linux
Version 10.0
Debian Linux
Version 9.0

Related CWEs

CWE-476
NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.

References (10)

Source: secalert@redhat.com
Issue TrackingMailing ListPatchThird Party Advisory
Source: secalert@redhat.com
Issue TrackingPatchThird Party Advisory
Source: secalert@redhat.com
Mailing ListThird Party Advisory
Source: secalert@redhat.com
Mailing ListThird Party Advisory
Source: secalert@redhat.com
Third Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Issue TrackingMailing ListPatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Issue TrackingPatchThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Mailing ListThird Party Advisory
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory

Timeline

No history available yet.