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CVE-2020-25664

Published: 8 December 2020

In WriteOnePNGImage() of the PNG coder at coders/png.c, an improper call to AcquireVirtualMemory() and memset() allows for an out-of-bounds write later when PopShortPixel() from MagickCore/quantum-private.h is called. The patch fixes the calls by adding 256 to rowbytes. An attacker who is able to supply a specially crafted image could affect availability with a low impact to data integrity. This flaw affects ImageMagick versions prior to 6.9.10-68 and 7.0.8-68.

Priority

Medium

CVSS 3 base score: 6.1

Status

Package Release Status
imagemagick
Launchpad, Ubuntu, Debian
bionic Deferred

focal Deferred

groovy Ignored
(reached end-of-life)
hirsute Ignored
(reached end-of-life)
impish Deferred

jammy Deferred

precise Does not exist

trusty Does not exist

upstream
Released (8:6.9.11.24+dfsg-1)
xenial
Released (8:6.8.9.9-7ubuntu5.16+esm2)