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CVE-2021-3474

Published: 30 March 2021

There's a flaw in OpenEXR in versions before 3.0.0-beta. A crafted input file that is processed by OpenEXR could cause a shift overflow in the FastHufDecoder, potentially leading to problems with application availability.

Priority

Low

Cvss 3 Severity Score

5.3

Score breakdown

Status

Package Release Status
openexr
Launchpad, Ubuntu, Debian
jammy Not vulnerable
(2.5.7-1)
impish Not vulnerable
(2.5.4-2)
hirsute Not vulnerable
(2.5.4-1)
trusty Does not exist

upstream
Released (2.5.4-1)
bionic
Released (2.2.0-11.1ubuntu1.6)
focal
Released (2.3.0-6ubuntu0.5)
groovy
Released (2.5.3-2ubuntu0.2)
xenial
Released (2.2.0-10ubuntu2.6)
Patches:
upstream: https://github.com/AcademySoftwareFoundation/openexr/commit/c3ed4a1db1f39bf4524a644cb2af81dc8cfab33f

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