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CVE-2021-3478

Published: 31 March 2021

There's a flaw in OpenEXR's scanline input file functionality in versions before 3.0.0-beta. An attacker able to submit a crafted file to be processed by OpenEXR could consume excessive system memory. The greatest impact of this flaw is to system availability.

Priority

Medium

Cvss 3 Severity Score

5.5

Score breakdown

Status

Package Release Status
openexr
Launchpad, Ubuntu, Debian
bionic
Released (2.2.0-11.1ubuntu1.6)
focal
Released (2.3.0-6ubuntu0.5)
groovy
Released (2.5.3-2ubuntu0.2)
hirsute Not vulnerable
(2.5.4-1)
impish Not vulnerable
(2.5.4-2)
jammy Not vulnerable
(2.5.7-1)
precise Does not exist

trusty Does not exist

upstream
Released (2.5.4-1)
xenial
Released (2.2.0-10ubuntu2.6)
Patches:
upstream: https://github.com/AcademySoftwareFoundation/openexr/commit/bc88cdb6c97fbf5bc5d11ad8ca55306da931283a

Severity score breakdown

Parameter Value
Base score 5.5
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H