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CVE-2021-20298

Published: 23 August 2022

A flaw was found in OpenEXR's B44Compressor. This flaw allows an attacker who can submit a crafted file to be processed by OpenEXR, to exhaust all memory accessible to the application. The highest threat from this vulnerability is to system availability.

Priority

Negligible

Cvss 3 Severity Score

7.5

Score breakdown

Status

Package Release Status
openexr
Launchpad, Ubuntu, Debian
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)
bionic Needs triage

focal Needs triage

trusty Does not exist

xenial Needs triage

groovy Ignored
(end of life)
hirsute Not vulnerable
(2.5.4-1)
upstream
Released (2.5.4-1)
mantic Not vulnerable
(2.5.7-1)
Patches:
upstream: https://github.com/AcademySoftwareFoundation/openexr/commit/85fd638ae0d5fa132434f4cbf32590261c1dba97 (master)
upstream: https://github.com/AcademySoftwareFoundation/openexr/commit/0c2b46f630a3b5f2f561c2849d047ee39f899179 (2.5)

Severity score breakdown

Parameter Value
Base score 7.5
Attack vector Network
Attack complexity Low
Privileges required None
User interaction None
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact High
Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H