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Debian 11: Critical Fix for ImageMagick Integer Overflow DLA-4339-1

debian lts
Calendar Grey October 19, 2025
Dist Debian Esm H88
Integer Overflow vulnerability in ImageMagick's BMP Decoder requires urgent patching. Security advisory DLA-4339-1 details the fix.
An Integer Overflow was found in BMP Decoder (ReadBMP)
Topics%20covered

Topics Covered

security advisory debian DoS patch integer overflow imagemagick

Summary

CVE-2025-57803 fix claims to patch this problem, but the fix
is incomplete and ineffective in some cases.

The patch added BMPOverflowCheck() but placed it
after the overflow occurs.
A malicious 58-byte BMP file can trigger AddressSanitizer
crashes and DoS.

This new issue was affected CVE-2025-62171.

For Debian 11 bullseye, these problems have been fixed in version
8:6.9.11.60+dfsg-1.3+deb11u7.

We recommend that you upgrade your imagemagick packages.

For the detailed security status of imagemagick please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/source-package/imagemagick

Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS


Severity
critical
Lowest
Low
Medium
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Critical

Package: imagemagick
Version: 8:6.9.11.60+dfsg-1.3+deb11u7
CVE ID: CVE-2025-62171
Debian Bug: 1118340

Topics%20covered

Topics Covered

security advisory debian DoS patch integer overflow imagemagick

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