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CVE-2020-27758

Published: 8 December 2020

A flaw was found in ImageMagick in coders/txt.c. An attacker who submits a crafted file that is processed by ImageMagick could trigger undefined behavior in the form of values outside the range of type `unsigned long long`. This would most likely lead to an impact to application availability, but could potentially cause other problems related to undefined behavior. This flaw affects ImageMagick versions prior to 7.0.8-68.

Priority

Low

Cvss 3 Severity Score

3.3

Score breakdown

Status

Package Release Status
imagemagick
Launchpad, Ubuntu, Debian
hirsute Not vulnerable
(8:6.9.11.60+dfsg-1ubuntu1)
focal
Released (8:6.9.10.23+dfsg-2.1ubuntu11.4)
groovy
Released (8:6.9.10.23+dfsg-2.1ubuntu13.3)
impish Not vulnerable
(8:6.9.11.60+dfsg-1ubuntu1)
trusty Needs triage

kinetic Not vulnerable
(8:6.9.11.60+dfsg-1ubuntu1)
xenial Needed

bionic
Released (8:6.9.7.4+dfsg-16ubuntu6.11)
jammy Not vulnerable
(8:6.9.11.60+dfsg-1ubuntu1)
lunar Not vulnerable
(8:6.9.11.60+dfsg-1ubuntu1)
upstream
Released (8:6.9.11.24+dfsg-1)
mantic Not vulnerable
(8:6.9.11.60+dfsg-1ubuntu1)
Patches:
upstream: https://github.com/ImageMagick/ImageMagick6/commit/e5e15b4456c825f78554e2ef1cc6344fa1218448

Severity score breakdown

Parameter Value
Base score 3.3
Attack vector Local
Attack complexity Low
Privileges required None
User interaction Required
Scope Unchanged
Confidentiality None
Integrity impact None
Availability impact Low
Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L