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CVE-2021-20245

Published: 9 March 2021

A flaw was found in ImageMagick in coders/webp.c. An attacker who submits a crafted file that is processed by ImageMagick could trigger undefined behavior in the form of math division by zero. The highest threat from this vulnerability is to system availability.

Notes

AuthorNote
rayveldkamp
imagemagick is in universe from focal onwards

Priority

Low

Cvss 3 Severity Score

5.5

Score breakdown

Status

Package Release Status
imagemagick
Launchpad, Ubuntu, Debian
bionic Not vulnerable
(code not present)
focal Not vulnerable
(code not present)
groovy Ignored
(end of life)
hirsute Ignored
(end of life)
impish Ignored
(end of life)
jammy
Released (8:6.9.11.60+dfsg-1.3ubuntu0.22.04.3+esm1)
Available with Ubuntu Pro
kinetic
Released (8:6.9.11.60+dfsg-1.3ubuntu0.22.10.1)
lunar
Released (8:6.9.11.60+dfsg-1.3ubuntu1)
mantic
Released (8:6.9.11.60+dfsg-1.3ubuntu1)
noble
Released (8:6.9.11.60+dfsg-1.3ubuntu1)
trusty Not vulnerable
(code not present)
upstream Needs triage

xenial Not vulnerable
(code not present)
Patches:
upstream: https://github.com/ImageMagick/ImageMagick6/commit/a78d92dc0f468e79c3d761aae9707042952cdaca

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