UBUNTU-CVE-2026-56373

HIGH7.9

ImageMagick before 7.1.2-15 contains a use-after-free vulnerability in the PDB decoder that uses a stale pointer when memory allocation fails. Attackers can trigger this vulnerability by processing ma

Published Jul 10, 2026

Modified 4 weeks ago

Details

Affected Packages

imagemagick

Ubuntu Pro 14.04 LTS

Affected versions:

8:6.7.7.10-5ubuntu38:6.7.7.10-5ubuntu48:6.7.7.10-6ubuntu18:6.7.7.10-6ubuntu28:6.7.7.10-6ubuntu38:6.7.7.10-6ubuntu3.18:6.7.7.10-6ubuntu3.118:6.7.7.10-6ubuntu3.128:6.7.7.10-6ubuntu3.138:6.7.7.10-6ubuntu3.13+esm1+31 more

imagemagick

Ubuntu Pro 16.04 LTS

Affected versions:

8:6.8.9.9-5ubuntu28:6.8.9.9-68:6.8.9.9-6build18:6.8.9.9-78:6.8.9.9-7ubuntu18:6.8.9.9-7ubuntu28:6.8.9.9-7ubuntu38:6.8.9.9-7ubuntu48:6.8.9.9-7ubuntu58:6.8.9.9-7ubuntu5.1+37 more

imagemagick

Ubuntu Pro 18.04 LTS

Affected versions:

8:6.9.7.4+dfsg-16ubuntu28:6.9.7.4+dfsg-16ubuntu38:6.9.7.4+dfsg-16ubuntu48:6.9.7.4+dfsg-16ubuntu58:6.9.7.4+dfsg-16ubuntu68:6.9.7.4+dfsg-16ubuntu6.118:6.9.7.4+dfsg-16ubuntu6.128:6.9.7.4+dfsg-16ubuntu6.138:6.9.7.4+dfsg-16ubuntu6.148:6.9.7.4+dfsg-16ubuntu6.15+21 more

imagemagick

Ubuntu Pro 20.04 LTS

Affected versions:

8:6.9.10.23+dfsg-2.1ubuntu108:6.9.10.23+dfsg-2.1ubuntu118:6.9.10.23+dfsg-2.1ubuntu11.18:6.9.10.23+dfsg-2.1ubuntu11.108:6.9.10.23+dfsg-2.1ubuntu11.10+esm18:6.9.10.23+dfsg-2.1ubuntu11.118:6.9.10.23+dfsg-2.1ubuntu11.11+esm18:6.9.10.23+dfsg-2.1ubuntu11.11+esm108:6.9.10.23+dfsg-2.1ubuntu11.11+esm118:6.9.10.23+dfsg-2.1ubuntu11.11+esm12+23 more

imagemagick

Ubuntu Pro 22.04 LTS

Affected versions:

8:6.9.11.60+dfsg-1.38:6.9.11.60+dfsg-1.3build18:6.9.11.60+dfsg-1.3build28:6.9.11.60+dfsg-1.3ubuntu0.22.04.18:6.9.11.60+dfsg-1.3ubuntu0.22.04.1+esm18:6.9.11.60+dfsg-1.3ubuntu0.22.04.28:6.9.11.60+dfsg-1.3ubuntu0.22.04.2+esm18:6.9.11.60+dfsg-1.3ubuntu0.22.04.38:6.9.11.60+dfsg-1.3ubuntu0.22.04.3+esm18:6.9.11.60+dfsg-1.3ubuntu0.22.04.3+esm2+16 more

imagemagick

Ubuntu Pro 24.04 LTS

Affected versions:

8:6.9.11.60+dfsg-1.6ubuntu18:6.9.12.98+dfsg1-58:6.9.12.98+dfsg1-5.2build18:6.9.12.98+dfsg1-5.2build28:6.9.12.98+dfsg1-5.2ubuntu0.1~esm18:6.9.12.98+dfsg1-5.2ubuntu0.1~esm108:6.9.12.98+dfsg1-5.2ubuntu0.1~esm118:6.9.12.98+dfsg1-5.2ubuntu0.1~esm128:6.9.12.98+dfsg1-5.2ubuntu0.1~esm28:6.9.12.98+dfsg1-5.2ubuntu0.1~esm3+6 more

References

REPORT

https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-3j4x-rwrx-xxj9

REPORT

https://ubuntu.com/security/CVE-2026-56373

REPORT

https://www.cve.org/CVERecord?id=CVE-2026-56373

REPORT

https://www.vulncheck.com/advisories/imagemagick-use-after-free-write-in-pdb-decoder

CVSS Analysis

CVSS v4.0

Exploitability