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CVE-2021-20296

Published: 1 April 2021

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.

Priority

Low

Cvss 3 Severity Score

5.3

Score breakdown

Status

Package Release Status
openexr
Launchpad, Ubuntu, Debian
bionic
Released (2.2.0-11.1ubuntu1.7)
focal
Released (2.3.0-6ubuntu0.5+esm1)
Available with Ubuntu Pro
groovy Ignored
(end of life)
hirsute Not vulnerable
(2.5.4-1)
impish Not vulnerable
(2.5.4-2)
jammy Not vulnerable
(2.5.7-1)
kinetic Not vulnerable
(2.5.7-1)
lunar Not vulnerable
(2.5.7-1)
mantic Not vulnerable
(2.5.7-1)
trusty Does not exist

upstream
Released (2.5.4-1)
xenial
Released (2.2.0-10ubuntu2.6+esm1)
Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
Patches:
upstream: https://github.com/AcademySoftwareFoundation/openexr/commit/b0c63c0b96eb9b0d3998f603e12f9f414fb0d44a

Severity score breakdown

Parameter Value
Base score 5.3
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact Low
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L