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Ubuntu 24.04 LTS ImageMagick Critical DoS Issues USN-7756-1 CVE-2025-55154

ubuntu
Calendar Grey September 18, 2025
Dist Ubuntu Esm H88
Numerous security flaws rectified in ImageMagick across different Ubuntu versions, enhancing defenses against denial of service risks.
Several security issues were fixed in ImageMagick.

Summary

Several security issues were fixed in ImageMagick.

Software Description:

- imagemagick: Image manipulation programs and library

Details:

It was discovered that ImageMagick did not properly handle memory when

performing magnified size calculations. An attacker could possibly use this

issue to cause ImageMagick to crash, resulting in a denial of service, or

possibly execute arbitrary code. (CVE-2025-55154)

Woojin Park, Hojun Lee, Youngin Won, and Siyeon Han discovered that

ImageMagick incorrectly handled creating thumbnail images for certain

dimensions. An attacker could possibly use this issue to cause ImageMagick

to crash, resulting in a denial of service. This issue only affected Ubuntu

24.04 LTS. (CVE-2025-55212)

Lumina Mescuwa discovered that ImageMagick did not properly handle cloning

splay trees in the MagickCore library. An attacker could possibly use this

issue to cause sanitized builds of ImageMagick to crash, resulting in a

denial of service. (CVE-2025-55160)

Lumina ...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service update critical Ubuntu imagemagick

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 24.04 LTS
  imagemagick-6.q16               8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm2
                                  Available with Ubuntu Pro
  imagemagick-6.q16hdri           8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm2
                                  Available with Ubuntu Pro
  libmagick++-6.q16-9t64          8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm2
                                  Available with Ubuntu Pro
  libmagick++-6.q16hdri-9t64      8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm2
                                  Available with Ubuntu Pro
  libmagickcore-6.q16-7-extra     8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm2
                                  Available with Ubuntu Pro
  libmagickcore-6.q16-7t64        8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm2
                                  Available with Ubuntu Pro
  libmagickcore-6.q16hdri-7-extra  8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm2
                                  Available with Ubuntu Pro
  libmagickcore-6.q16hdri-7t64    8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm2
                                  Available with Ubuntu Pro
  libmagickwand-6.q16-7t64        8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm2
                                  Available with Ubuntu Pro
  libmagickwand-6.q16hdri-7t64    8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm2
                                  Available with Ubuntu Pro

Ubuntu 22.04 LTS
  imagemagick-6.q16               8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm3
                                  Available with Ubuntu Pro
  imagemagick-6.q16hdri           8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm3
                                  Available with Ubuntu Pro
  libmagick++-6.q16-8             8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm3
                                  Available with Ubuntu Pro
  libmagick++-6.q16hdri-8         8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm3
                                  Available with Ubuntu Pro
  libmagickcore-6.q16-6           8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm3
                                  Available with Ubuntu Pro
  libmagickcore-6.q16-6-extra     8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm3
                                  Available with Ubuntu Pro
  libmagickcore-6.q16hdri-6       8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm3
                                  Available with Ubuntu Pro
  libmagickcore-6.q16hdri-6-extra  8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm3
                                  Available with Ubuntu Pro
  libmagickwand-6.q16-6           8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm3
                                  Available with Ubuntu Pro
  libmagickwand-6.q16hdri-6       8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm3
                                  Available with Ubuntu Pro

Ubuntu 20.04 LTS
  imagemagick-6.q16               8:6.9.10.23+dfsg-2.1ubuntu11.11+esm3
                                  Available with Ubuntu Pro
  imagemagick-6.q16hdri           8:6.9.10.23+dfsg-2.1ubuntu11.11+esm3
                                  Available with Ubuntu Pro
  libmagick++-6.q16-8             8:6.9.10.23+dfsg-2.1ubuntu11.11+esm3
                                  Available with Ubuntu Pro
  libmagick++-6.q16hdri-8         8:6.9.10.23+dfsg-2.1ubuntu11.11+esm3
                                  Available with Ubuntu Pro
  libmagickcore-6.q16-6           8:6.9.10.23+dfsg-2.1ubuntu11.11+esm3
                                  Available with Ubuntu Pro
  libmagickcore-6.q16-6-extra     8:6.9.10.23+dfsg-2.1ubuntu11.11+esm3
                                  Available with Ubuntu Pro
  libmagickcore-6.q16hdri-6       8:6.9.10.23+dfsg-2.1ubuntu11.11+esm3
                                  Available with Ubuntu Pro
  libmagickcore-6.q16hdri-6-extra  8:6.9.10.23+dfsg-2.1ubuntu11.11+esm3
                                  Available with Ubuntu Pro
  libmagickwand-6.q16-6           8:6.9.10.23+dfsg-2.1ubuntu11.11+esm3
                                  Available with Ubuntu Pro
  libmagickwand-6.q16hdri-6       8:6.9.10.23+dfsg-2.1ubuntu11.11+esm3
                                  Available with Ubuntu Pro

Ubuntu 18.04 LTS
  imagemagick-6.q16               8:6.9.7.4+dfsg-16ubuntu6.15+esm5
                                  Available with Ubuntu Pro
  imagemagick-6.q16hdri           8:6.9.7.4+dfsg-16ubuntu6.15+esm5
                                  Available with Ubuntu Pro
  libmagick++-6.q16-7             8:6.9.7.4+dfsg-16ubuntu6.15+esm5
                                  Available with Ubuntu Pro
  libmagick++-6.q16hdri-7         8:6.9.7.4+dfsg-16ubuntu6.15+esm5
                                  Available with Ubuntu Pro
  libmagickcore-6.q16-3           8:6.9.7.4+dfsg-16ubuntu6.15+esm5
                                  Available with Ubuntu Pro
  libmagickcore-6.q16-3-extra     8:6.9.7.4+dfsg-16ubuntu6.15+esm5
                                  Available with Ubuntu Pro
  libmagickcore-6.q16hdri-3       8:6.9.7.4+dfsg-16ubuntu6.15+esm5
                                  Available with Ubuntu Pro
  libmagickcore-6.q16hdri-3-extra  8:6.9.7.4+dfsg-16ubuntu6.15+esm5
                                  Available with Ubuntu Pro
  libmagickwand-6.q16-3           8:6.9.7.4+dfsg-16ubuntu6.15+esm5
                                  Available with Ubuntu Pro
  libmagickwand-6.q16hdri-3       8:6.9.7.4+dfsg-16ubuntu6.15+esm5
                                  Available with Ubuntu Pro

Ubuntu 16.04 LTS
  imagemagick-6.q16               8:6.8.9.9-7ubuntu5.16+esm13
                                  Available with Ubuntu Pro
  libmagick++-6.q16-5v5           8:6.8.9.9-7ubuntu5.16+esm13
                                  Available with Ubuntu Pro
  libmagickcore-6.q16-2           8:6.8.9.9-7ubuntu5.16+esm13
                                  Available with Ubuntu Pro
  libmagickcore-6.q16-2-extra     8:6.8.9.9-7ubuntu5.16+esm13
                                  Available with Ubuntu Pro
  libmagickwand-6.q16-2           8:6.8.9.9-7ubuntu5.16+esm13
                                  Available with Ubuntu Pro

Ubuntu 14.04 LTS
  imagemagick                     8:6.7.7.10-6ubuntu3.13+esm14
                                  Available with Ubuntu Pro
  imagemagick-common              8:6.7.7.10-6ubuntu3.13+esm14
                                  Available with Ubuntu Pro
  libmagick++5                    8:6.7.7.10-6ubuntu3.13+esm14
                                  Available with Ubuntu Pro
  libmagickcore5                  8:6.7.7.10-6ubuntu3.13+esm14
                                  Available with Ubuntu Pro
  libmagickcore5-extra            8:6.7.7.10-6ubuntu3.13+esm14
                                  Available with Ubuntu Pro
  libmagickwand5                  8:6.7.7.10-6ubuntu3.13+esm14
                                  Available with Ubuntu Pro

In general, a standard system update will make all the necessary changes.

References

https://ubuntu.com/security/notices/USN-7756-1

CVE-2025-55154, CVE-2025-55160, CVE-2025-55212, CVE-2025-57807

Severity
critical
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-7756-1

Topics%20covered

Topics Covered

security advisory denial of service update critical Ubuntu imagemagick

Package Information

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