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Ubuntu 24.04 LTS ImageMagick Important Denial Service 8021-1 CVE-2026-23876

ubuntu
Calendar Grey February 10, 2026
Dist Ubuntu Esm H88
ImageMagick security update for Ubuntu may allow attackers to run programs as user or crash due to memory issues.
ImageMagick could be made to crash or run programs as your login if it opened a specially crafted file.

Summary

ImageMagick could be made to crash or run programs as your login if it

opened a specially crafted file.

Software Description:

- imagemagick: Image manipulation programs and library

Details:

Benny Isaacs discovered that ImageMagick did not properly manage memory

when processing certain image files. An attacker could possibly use this

issue to cause a denial of service or execute arbitrary code.

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu memory management imagemagick attack execution

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~esm6
                                  Available with Ubuntu Pro
  imagemagick-6.q16hdri           8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm6
                                  Available with Ubuntu Pro
  libimage-magick-q16-perl        8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm6
                                  Available with Ubuntu Pro
  libimage-magick-q16hdri-perl    8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm6
                                  Available with Ubuntu Pro
  libmagick++-6.q16-9t64          8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm6
                                  Available with Ubuntu Pro
  libmagick++-6.q16hdri-9t64      8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm6
                                  Available with Ubuntu Pro
  libmagickcore-6-headers         8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm6
                                  Available with Ubuntu Pro
  libmagickcore-6.q16-7-extra     8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm6
                                  Available with Ubuntu Pro
  libmagickcore-6.q16-7t64        8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm6
                                  Available with Ubuntu Pro
  libmagickcore-6.q16hdri-7-extra  8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm6
                                  Available with Ubuntu Pro
  libmagickcore-6.q16hdri-7t64    8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm6
                                  Available with Ubuntu Pro
  libmagickwand-6.q16-7t64        8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm6
                                  Available with Ubuntu Pro
  libmagickwand-6.q16hdri-7t64    8:6.9.12.98+dfsg1-5.2ubuntu0.1~esm6
                                  Available with Ubuntu Pro

Ubuntu 22.04 LTS
  imagemagick-6.q16               8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm7
                                  Available with Ubuntu Pro
  imagemagick-6.q16hdri           8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm7
                                  Available with Ubuntu Pro
  libimage-magick-q16-perl        8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm7
                                  Available with Ubuntu Pro
  libimage-magick-q16hdri-perl    8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm7
                                  Available with Ubuntu Pro
  libmagick++-6.q16-8             8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm7
                                  Available with Ubuntu Pro
  libmagick++-6.q16hdri-8         8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm7
                                  Available with Ubuntu Pro
  libmagickcore-6.q16-6           8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm7
                                  Available with Ubuntu Pro
  libmagickcore-6.q16-6-extra     8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm7
                                  Available with Ubuntu Pro
  libmagickcore-6.q16hdri-6       8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm7
                                  Available with Ubuntu Pro
  libmagickcore-6.q16hdri-6-extra  8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm7
                                  Available with Ubuntu Pro
  libmagickwand-6.q16-6           8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm7
                                  Available with Ubuntu Pro
  libmagickwand-6.q16hdri-6       8:6.9.11.60+dfsg-1.3ubuntu0.22.04.5+esm7
                                  Available with Ubuntu Pro

Ubuntu 20.04 LTS
  libimage-magick-q16-perl        8:6.9.10.23+dfsg-2.1ubuntu11.11+esm7
                                  Available with Ubuntu Pro
  libimage-magick-q16hdri-perl    8:6.9.10.23+dfsg-2.1ubuntu11.11+esm7
                                  Available with Ubuntu Pro
  libmagick++-6.q16-8             8:6.9.10.23+dfsg-2.1ubuntu11.11+esm7
                                  Available with Ubuntu Pro
  libmagick++-6.q16hdri-8         8:6.9.10.23+dfsg-2.1ubuntu11.11+esm7
                                  Available with Ubuntu Pro
  libmagickcore-6-headers         8:6.9.10.23+dfsg-2.1ubuntu11.11+esm7
                                  Available with Ubuntu Pro
  libmagickcore-6.q16-6           8:6.9.10.23+dfsg-2.1ubuntu11.11+esm7
                                  Available with Ubuntu Pro
  libmagickcore-6.q16-6-extra     8:6.9.10.23+dfsg-2.1ubuntu11.11+esm7
                                  Available with Ubuntu Pro
  libmagickcore-6.q16hdri-6       8:6.9.10.23+dfsg-2.1ubuntu11.11+esm7
                                  Available with Ubuntu Pro
  libmagickcore-6.q16hdri-6-extra  8:6.9.10.23+dfsg-2.1ubuntu11.11+esm7
                                  Available with Ubuntu Pro
  libmagickwand-6.q16-6           8:6.9.10.23+dfsg-2.1ubuntu11.11+esm7
                                  Available with Ubuntu Pro
  libmagickwand-6.q16hdri-6       8:6.9.10.23+dfsg-2.1ubuntu11.11+esm7
                                  Available with Ubuntu Pro

Ubuntu 18.04 LTS
  imagemagick-6.q16               8:6.9.7.4+dfsg-16ubuntu6.15+esm9
                                  Available with Ubuntu Pro
  imagemagick-6.q16hdri           8:6.9.7.4+dfsg-16ubuntu6.15+esm9
                                  Available with Ubuntu Pro
  libimage-magick-q16-perl        8:6.9.7.4+dfsg-16ubuntu6.15+esm9
                                  Available with Ubuntu Pro
  libimage-magick-q16hdri-perl    8:6.9.7.4+dfsg-16ubuntu6.15+esm9
                                  Available with Ubuntu Pro
  libmagick++-6.q16-7             8:6.9.7.4+dfsg-16ubuntu6.15+esm9
                                  Available with Ubuntu Pro
  libmagick++-6.q16hdri-7         8:6.9.7.4+dfsg-16ubuntu6.15+esm9
                                  Available with Ubuntu Pro
  libmagickcore-6-headers         8:6.9.7.4+dfsg-16ubuntu6.15+esm9
                                  Available with Ubuntu Pro
  libmagickcore-6.q16-3           8:6.9.7.4+dfsg-16ubuntu6.15+esm9
                                  Available with Ubuntu Pro
  libmagickcore-6.q16-3-extra     8:6.9.7.4+dfsg-16ubuntu6.15+esm9
                                  Available with Ubuntu Pro
  libmagickcore-6.q16hdri-3       8:6.9.7.4+dfsg-16ubuntu6.15+esm9
                                  Available with Ubuntu Pro
  libmagickcore-6.q16hdri-3-extra  8:6.9.7.4+dfsg-16ubuntu6.15+esm9
                                  Available with Ubuntu Pro
  libmagickwand-6.q16-3           8:6.9.7.4+dfsg-16ubuntu6.15+esm9
                                  Available with Ubuntu Pro
  libmagickwand-6.q16hdri-3       8:6.9.7.4+dfsg-16ubuntu6.15+esm9
                                  Available with Ubuntu Pro

Ubuntu 16.04 LTS
  imagemagick-6.q16               8:6.8.9.9-7ubuntu5.16+esm17
                                  Available with Ubuntu Pro
  libimage-magick-q16-perl        8:6.8.9.9-7ubuntu5.16+esm17
                                  Available with Ubuntu Pro
  libmagick++-6.q16-5v5           8:6.8.9.9-7ubuntu5.16+esm17
                                  Available with Ubuntu Pro
  libmagickcore-6-headers         8:6.8.9.9-7ubuntu5.16+esm17
                                  Available with Ubuntu Pro
  libmagickcore-6.q16-2           8:6.8.9.9-7ubuntu5.16+esm17
                                  Available with Ubuntu Pro
  libmagickcore-6.q16-2-extra     8:6.8.9.9-7ubuntu5.16+esm17
                                  Available with Ubuntu Pro
  libmagickwand-6.q16-2           8:6.8.9.9-7ubuntu5.16+esm17
                                  Available with Ubuntu Pro

Ubuntu 14.04 LTS
  imagemagick                     8:6.7.7.10-6ubuntu3.13+esm18
                                  Available with Ubuntu Pro
  imagemagick-common              8:6.7.7.10-6ubuntu3.13+esm18
                                  Available with Ubuntu Pro
  libmagick++5                    8:6.7.7.10-6ubuntu3.13+esm18
                                  Available with Ubuntu Pro
  libmagickcore5                  8:6.7.7.10-6ubuntu3.13+esm18
                                  Available with Ubuntu Pro
  libmagickcore5-extra            8:6.7.7.10-6ubuntu3.13+esm18
                                  Available with Ubuntu Pro
  libmagickwand5                  8:6.7.7.10-6ubuntu3.13+esm18
                                  Available with Ubuntu Pro
  perlmagick                      8:6.7.7.10-6ubuntu3.13+esm18
                                  Available with Ubuntu Pro

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

References

https://ubuntu.com/security/notices/USN-8021-1

CVE-2026-23876

Severity
important
Lowest
Low
Medium
High
Critical

Ubuntu Security Notice USN-8021-1

Topics%20covered

Topics Covered

security advisory denial of service Ubuntu memory management imagemagick attack execution

Package Information

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