CVE-2020-25676

ImageMagick: outside the range of representable values of type 'long' and integer overflow at MagickCore/pixel.c and MagickCore/cache.c

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Severity

Moderate

Red Hat Product Security

5.5

CVSS 3.1

Review impact separately from score.

Published · October 8, 2019

Updated · November 22, 2025

Description

A flaw was found ImageMagick. Multiple unconstrained pixel offset calculations produce undefined behavior in the form of out-of-range and integer overflows. These instances of undefined behavior could be triggered by an attacker who is able to supply a crafted input file. The highest threat from this vulnerability is to system availability.

Statement

This flaw is out of support scope for Red Hat Enterprise Linux 5, 6, and 7. Inkscape is not affected because it no longer uses a bundled ImageMagick in Red Hat Enterprise Linux 8. For more information regarding support scopes, please see https://access.redhat.com/support/policy/updates/errata .

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.5
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CWE-190 · Integer Overflow or Wraparound