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CVE-2021-3479

Published: 31 March 2021

There's a flaw in OpenEXR's Scanline API functionality in versions before 3.0.0-beta. An attacker who is able to submit a crafted file to be processed by OpenEXR could trigger excessive consumption of memory, resulting in an impact 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)
jammy Not vulnerable
(2.5.7-1)
trusty Does not exist

xenial
Released (2.2.0-10ubuntu2.6)
hirsute Not vulnerable
(2.5.4-1)
impish Not vulnerable
(2.5.4-2)
upstream
Released (2.5.4-1)
Patches:
upstream: https://github.com/AcademySoftwareFoundation/openexr/commit/d80f11f4f55100d007ae80a162bf257ec291612c

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