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CVE-2026-56374

CVE-2026-56374 · ImageMagick - Heap Buffer Overflow in FTXT Encoder via format Parameter

This page contains facts from public vulnerability sources. Check the original advisory before updating.

ImageMagick before 7.1.2-19 contains a heap buffer overflow vulnerability in the FTXT encoder due to missing boundary checks when parsing ftxt:format. Remote attackers can trigger an out of bounds read by crafting malicious FTXT image files to cause denial of service or information disclosure.

CVSS 4.8 · Medium · EPSS 0.2% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • imagemagick

    Versions
    • ≥ 0, < 7.1.2-19: Affected (semver)
    • 7.1.2-19: Not affected (semver)

    Update to 7.1.2-19

  • imagemagick Debian:13

    Versions
    • 8:7.1.1.43+dfsg1-1
    • 8:7.1.1.43+dfsg1-1+deb13u1
    • 8:7.1.1.43+dfsg1-1+deb13u10
    • 8:7.1.1.43+dfsg1-1+deb13u11
    • 8:7.1.1.43+dfsg1-1+deb13u2
    • 8:7.1.1.43+dfsg1-1+deb13u3
    • 8:7.1.1.43+dfsg1-1+deb13u4
    • 8:7.1.1.43+dfsg1-1+deb13u5
    • 8:7.1.1.43+dfsg1-1+deb13u6
    • 8:7.1.1.43+dfsg1-1+deb13u7
    • 8:7.1.1.43+dfsg1-1+deb13u8
    • 8:7.1.1.43+dfsg1-1+deb13u9
    Affected ranges
    • ECOSYSTEM: < 8:7.1.1.43+dfsg1-1+deb13u12

    Update to 8:7.1.1.43+dfsg1-1+deb13u12

  • imagemagick Debian:14

    Versions
    • 8:7.1.1.43+dfsg1-1
    • 8:7.1.1.46+dfsg1-1
    • 8:7.1.1.47+dfsg1-1
    • 8:7.1.1.47+dfsg1-2
    • 8:7.1.2.1+dfsg1-1
    • 8:7.1.2.12+dfsg1-1
    • 8:7.1.2.13+dfsg1-1
    • 8:7.1.2.15+dfsg1-1
    • 8:7.1.2.15+dfsg1-2
    • 8:7.1.2.16+dfsg1-1
    • 8:7.1.2.18+dfsg1-1
    • 8:7.1.2.3+dfsg1-1
    • 8:7.1.2.7+dfsg1-1
    • 8:7.1.2.8+dfsg1-1
    Affected ranges
    • ECOSYSTEM: < 8:7.1.2.19+dfsg1-1

    Update to 8:7.1.2.19+dfsg1-1

  • imagemagick Ubuntu:25.10

    Versions
    • 8:7.1.1.43+dfsg1-1
    • 8:7.1.1.43+dfsg1-1ubuntu1
    • 8:7.1.1.43+dfsg1-1ubuntu2
    • 8:7.1.2.3+dfsg1-1
    • 8:7.1.2.3+dfsg1-1ubuntu0.1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • imagemagick Ubuntu:Pro:26.04:LTS

    Versions
    • 8:7.1.2.3+dfsg1-1
    • 8:7.1.2.8+dfsg1-1
    • 8:7.1.2.12+dfsg1-1
    • 8:7.1.2.13+dfsg1-1
    • 8:7.1.2.15+dfsg1-1
    • 8:7.1.2.16+dfsg1-1
    • 8:7.1.2.18+dfsg1-1
    • 8:7.1.2.18+dfsg1-1ubuntu0.1~esm1
    • 8:7.1.2.18+dfsg1-1ubuntu0.1~esm2
    • 8:7.1.2.18+dfsg1-1ubuntu0.1~esm3
    • 8:7.1.2.18+dfsg1-1ubuntu0.1~esm4
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

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