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CVE-2026-4738

CVE-2026-4738 · GDAL Bundled zlib (inftree9.c) Pointer Offset Optimization Undefined Behavior Allows Heap Corruption or Remote Code Execution

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

Improper Restriction of Operations within the Bounds of a Memory Buffer vulnerability in OSGeo gdal (frmts/zlib/contrib/infback9 modules). This vulnerability is associated with program files inftree9.C‎. This issue affects gdal: before 3.11.0.

CVSS 9.4 · Critical · EPSS 0.3% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • gdal

    Versions
    • ≥ 0, < 3.11.0: Affected (git)

    Update to 3.11.0

  • gdal Debian:12

    Versions
    • 3.10.0+dfsg-1
    • 3.10.0+dfsg-1~exp1
    • 3.10.0~beta1+dfsg-1~exp1
    • 3.10.0~rc1+dfsg-1~exp1
    • 3.10.0~rc2+dfsg-1~exp1
    • 3.10.0~rc3+dfsg-1~exp1
    • 3.10.1+dfsg-1
    • 3.10.1~rc1+dfsg-1~exp1
    • 3.10.1~rc2+dfsg-1~exp1
    • 3.10.2+dfsg-1
    • 3.10.2~rc1+dfsg-1~exp1
    • 3.10.3+dfsg-1
    • 3.10.3+dfsg-2
    • 3.10.3~rc1+dfsg-1~exp1
    • 3.11.0+dfsg-1~exp1
    • 3.11.0~beta1+dfsg-1~exp1
    • 3.11.0~beta1+dfsg-1~exp2
    • 3.11.0~rc1+dfsg-1~exp1
    • 3.11.0~rc1+dfsg-1~exp2
    • 3.11.0~rc2+dfsg-1~exp1
    • 3.11.1+dfsg-1~exp1
    • 3.11.1~rc1+dfsg-1~exp1
    • 3.11.1~rc2+dfsg-1~exp1
    • 3.11.2+dfsg-1~exp1
    • 3.11.2~rc1+dfsg-1~exp1
    • 3.11.2~rc2+dfsg-1~exp1
    • 3.11.3+dfsg-1
    • 3.11.3+dfsg-1~exp1
    • 3.11.3+dfsg-1~exp2
    • 3.11.4+dfsg-1
    • 3.11.4~rc1+dfsg-1~exp1
    • 3.12.0+dfsg-1
    • 3.12.0+dfsg-1~exp1
    • 3.12.0~beta1+dfsg-1~exp1
    • 3.12.0~rc1+dfsg-1~exp1
    • 3.12.1+dfsg-1
    • 3.12.1~rc1+dfsg-1~exp1
    • 3.12.2+dfsg-1
    • 3.12.2~rc1+dfsg-1~exp1
    • 3.12.3+dfsg-1
    • 3.12.3~rc1+dfsg-1~exp1
    • 3.12.3~rc2+dfsg-1~exp1
    • 3.13.0+dfsg-1
    • 3.13.0+dfsg-1~exp1
    • 3.13.0~beta1+dfsg-1~exp1
    • 3.13.0~beta2+dfsg-1~exp1
    • 3.13.0~rc1+dfsg-1~exp1
    • 3.13.0~rc2+dfsg-1~exp1
    • 3.13.1+dfsg-1
    • 3.13.1~rc1+dfsg-1~exp1
    • 3.13.2+dfsg-1
    • 3.13.2~rc1+dfsg-1~exp1
    • 3.13.3+dfsg-1
    • 3.13.3+dfsg-2
    • 3.13.3~rc1+dfsg-1~exp1
    • 3.6.2+dfsg-1
    • 3.6.3+dfsg-1~exp1
    • 3.6.3~rc1+dfsg-1~exp1
    • 3.6.4+dfsg-1
    • 3.6.4+dfsg-1~exp1
    • 3.6.4~rc1+dfsg-1~exp1
    • 3.7.0+dfsg-1
    • 3.7.0+dfsg-1~exp1
    • 3.7.0~rc1+dfsg-1~exp1
    • 3.7.1+dfsg-1
    • 3.7.1~rc1+dfsg-1~exp1
    • 3.7.2+dfsg-1
    • 3.7.2~rc1+dfsg-1~exp1
    • 3.7.3+dfsg-1
    • 3.7.3~rc1+dfsg-1~exp1
    • 3.8.0+dfsg-1
    • 3.8.0+dfsg-1~exp1
    • 3.8.0~beta1+dfsg-1~exp1
    • 3.8.0~rc1+dfsg-1~exp1
    • 3.8.0~rc1+dfsg-1~exp2
    • 3.8.0~rc2+dfsg-1~exp1
    • 3.8.1+dfsg-1
    • 3.8.1~rc1+dfsg-1~exp1
    • 3.8.1~rc2+dfsg-1~exp1
    • 3.8.1~rc3+dfsg-1~exp1
    • 3.8.2+dfsg-1
    • 3.8.2~rc1+dfsg-1~exp1
    • 3.8.3+dfsg-1
    • 3.8.3+dfsg-1.1~exp1
    • 3.8.3+dfsg-2~exp1
    • 3.8.3~rc1+dfsg-1~exp1
    • 3.8.3~rc2+dfsg-1~exp1
    • 3.8.3~rc3+dfsg-1~exp1
    • 3.8.4+dfsg-1
    • 3.8.4+dfsg-2
    • 3.8.4+dfsg-2~exp1
    • 3.8.4+dfsg-3
    • 3.8.4~rc1+dfsg-1~exp1
    • 3.8.5+dfsg-1
    • 3.8.5~rc1+dfsg-1~exp1
    • 3.9.0+dfsg-1
    • 3.9.0+dfsg-1~exp1
    • 3.9.0~beta1+dfsg-1~exp1
    • 3.9.0~beta2+dfsg-1~exp1
    • 3.9.0~rc1+dfsg-1~exp1
    • 3.9.0~rc2+dfsg-1~exp1
    • 3.9.1+dfsg-1
    • 3.9.1~rc1+dfsg-1~exp1
    • 3.9.1~rc2+dfsg-1~exp1
    • 3.9.2+dfsg-1
    • 3.9.2~rc1+dfsg-1~exp1
    • 3.9.2~rc2+dfsg-1~exp1
    • 3.9.3+dfsg-1
    • 3.9.3~rc1+dfsg-1~exp1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • gdal Debian:13

    Versions
    • 3.10.3+dfsg-1
    • 3.10.3+dfsg-2
    • 3.11.0+dfsg-1~exp1
    • 3.11.0~beta1+dfsg-1~exp1
    • 3.11.0~beta1+dfsg-1~exp2
    • 3.11.0~rc1+dfsg-1~exp1
    • 3.11.0~rc1+dfsg-1~exp2
    • 3.11.0~rc2+dfsg-1~exp1
    • 3.11.1+dfsg-1~exp1
    • 3.11.1~rc1+dfsg-1~exp1
    • 3.11.1~rc2+dfsg-1~exp1
    • 3.11.2+dfsg-1~exp1
    • 3.11.2~rc1+dfsg-1~exp1
    • 3.11.2~rc2+dfsg-1~exp1
    • 3.11.3+dfsg-1
    • 3.11.3+dfsg-1~exp1
    • 3.11.3+dfsg-1~exp2
    • 3.11.4+dfsg-1
    • 3.11.4~rc1+dfsg-1~exp1
    • 3.12.0+dfsg-1
    • 3.12.0+dfsg-1~exp1
    • 3.12.0~beta1+dfsg-1~exp1
    • 3.12.0~rc1+dfsg-1~exp1
    • 3.12.1+dfsg-1
    • 3.12.1~rc1+dfsg-1~exp1
    • 3.12.2+dfsg-1
    • 3.12.2~rc1+dfsg-1~exp1
    • 3.12.3+dfsg-1
    • 3.12.3~rc1+dfsg-1~exp1
    • 3.12.3~rc2+dfsg-1~exp1
    • 3.13.0+dfsg-1
    • 3.13.0+dfsg-1~exp1
    • 3.13.0~beta1+dfsg-1~exp1
    • 3.13.0~beta2+dfsg-1~exp1
    • 3.13.0~rc1+dfsg-1~exp1
    • 3.13.0~rc2+dfsg-1~exp1
    • 3.13.1+dfsg-1
    • 3.13.1~rc1+dfsg-1~exp1
    • 3.13.2+dfsg-1
    • 3.13.2~rc1+dfsg-1~exp1
    • 3.13.3+dfsg-1
    • 3.13.3+dfsg-2
    • 3.13.3~rc1+dfsg-1~exp1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • gdal Debian:14

    Versions
    • 3.10.3+dfsg-1
    • 3.10.3+dfsg-2
    • 3.11.0+dfsg-1~exp1
    • 3.11.0~beta1+dfsg-1~exp1
    • 3.11.0~beta1+dfsg-1~exp2
    • 3.11.0~rc1+dfsg-1~exp1
    • 3.11.0~rc1+dfsg-1~exp2
    • 3.11.0~rc2+dfsg-1~exp1
    • 3.11.1+dfsg-1~exp1
    • 3.11.1~rc1+dfsg-1~exp1
    • 3.11.1~rc2+dfsg-1~exp1
    • 3.11.2+dfsg-1~exp1
    • 3.11.2~rc1+dfsg-1~exp1
    • 3.11.2~rc2+dfsg-1~exp1
    • 3.11.3+dfsg-1~exp1
    • 3.11.3+dfsg-1~exp2
    Affected ranges
    • ECOSYSTEM: < 3.11.3+dfsg-1

    Update to 3.11.3+dfsg-1

  • gdal Ubuntu:Pro:14.04:LTS

    Versions
    • 1.9.0-3.1ubuntu4
    • 1.9.0-3.1ubuntu6
    • 1.10.1+dfsg-2
    • 1.10.1+dfsg-2build1
    • 1.10.1+dfsg-3
    • 1.10.1+dfsg-3build1
    • 1.10.1+dfsg-3build2
    • 1.10.1+dfsg-3ubuntu1
    • 1.10.1+dfsg-3ubuntu2
    • 1.10.1+dfsg-5ubuntu1
    • 1.10.1+dfsg-5ubuntu1+esm1
    • 1.10.1+dfsg-5ubuntu1+esm2
    • 1.10.1+dfsg-5ubuntu1+esm3
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • gdal Ubuntu:Pro:16.04:LTS

    Versions
    • 1.11.2+dfsg-3ubuntu3
    • 1.11.2+dfsg-3ubuntu4
    • 1.11.3+dfsg-2build1
    • 1.11.3+dfsg-2build2
    • 1.11.3+dfsg-2build3
    • 1.11.3+dfsg-3
    • 1.11.3+dfsg-3build1
    • 1.11.3+dfsg-3build2
    • 1.11.3+dfsg-3ubuntu0.1~esm1
    • 1.11.3+dfsg-3ubuntu0.1~esm2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • gdal Ubuntu:Pro:18.04:LTS

    Versions
    • 2.2.1+dfsg-2build3
    • 2.2.1+dfsg-2build5
    • 2.2.2+dfsg-2build1
    • 2.2.3+dfsg-1
    • 2.2.3+dfsg-2
    • 2.2.3+dfsg-2ubuntu0.1~esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • gdal Ubuntu:Pro:20.04:LTS

    Versions
    • 2.4.2+dfsg-1build2
    • 2.4.2+dfsg-1build4
    • 2.4.2+dfsg-2
    • 2.4.3+dfsg-1
    • 3.0.4+dfsg-1
    • 3.0.4+dfsg-1build1
    • 3.0.4+dfsg-1build2
    • 3.0.4+dfsg-1build3
    • 3.0.4+dfsg-1ubuntu0.1~esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • gdal Ubuntu:Pro:22.04:LTS

    Versions
    • 3.2.2+dfsg-3ubuntu2
    • 3.4.0+dfsg-1
    • 3.4.1+dfsg-1
    • 3.4.1+dfsg-1build1
    • 3.4.1+dfsg-1build3
    • 3.4.1+dfsg-1build4
    • 3.4.1+dfsg-1ubuntu0.1~esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • gdal Ubuntu:Pro:24.04:LTS

    Versions
    • 3.7.1+dfsg-1build1
    • 3.8.0+dfsg-1
    • 3.8.1+dfsg-1build1
    • 3.8.2+dfsg-1
    • 3.8.3+dfsg-1
    • 3.8.4+dfsg-1
    • 3.8.4+dfsg-3ubuntu2
    • 3.8.4+dfsg-3ubuntu3
    • 3.8.4+dfsg-3ubuntu3+esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • gdal Ubuntu:25.10

    Versions
    • 3.10.2+dfsg-1build3
    • 3.10.3+dfsg-1
    • 3.10.3+dfsg-1build1
    • 3.10.3+dfsg-1build2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

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