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CVE-2026-84968

CVE-2026-84968 · Heap out-of-bounds read via corrupt nested BSON in field path error message

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

An out-of-bounds read in the BSON decoding component of the MongoDB PHP driver may allow an unauthenticated party who supplies specially formed input to have a small amount of adjacent process memory copied into an error message that is returned to application code. This may result in unintended disclosure of limited memory contents.

CVSS 6.9 · Medium · EPSS 0.2% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • php driver

    Versions
    • ≥ 1.15.0, < 1.21.8: Affected (semver)
    • ≥ 2.0.0, < 2.1.9: Affected (semver)
    • ≥ 2.2.0, < 2.5.1: Affected (semver)

    Update to 1.21.8; Update to 2.1.9; Update to 2.5.1

  • php-mongodb Debian:12

    Versions
    • 1.15.0+1.11.1+1.9.2+1.7.5-1
    • 1.19.3-1
    • 1.19.4-2
    • 1.19.4-3~exp2
    • 1.19.4-3~exp3
    • 1.19.4-3~exp4
    • 1.20.0-1
    • 1.20.1-1
    • 1.21.0-1
    • 2.0.0-1
    • 2.1.0-1
    • 2.5.3-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • php-mongodb Debian:13

    Versions
    • 2.0.0-1
    Affected ranges
    • ECOSYSTEM: < 2.0.0-1+deb13u1

    Update to 2.0.0-1+deb13u1

  • php-mongodb Debian:14

    Versions
    • 2.0.0-1
    • 2.1.0-1
    Affected ranges
    • ECOSYSTEM: < 2.5.3-1

    Update to 2.5.3-1

  • php-mongodb Ubuntu:16.04:LTS

    Versions
    • 1.1.2-2~ubuntu1
    • 1.1.5-1~build1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • php-mongodb Ubuntu:18.04:LTS

    Versions
    • 1.2.3-1build1
    • 1.3.4-1build1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • php-mongodb Ubuntu:20.04:LTS

    Versions
    • 1.5.5-1build1
    • 1.6.1-4
    • 1.6.1-4build1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • php-mongodb Ubuntu:22.04:LTS

    Versions
    • 1.9.0+1.7.5-2build2
    • 1.11.1+1.9.2+1.7.5-4
    • 1.12.0+1.9.2+1.7.5-3
    • 1.12.0+1.9.2+1.7.5-4
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • php-mongodb Ubuntu:24.04:LTS

    Versions
    • 1.15.0+1.11.1+1.9.2+1.7.5-1build1
    • 1.15.0+1.11.1+1.9.2+1.7.5-1ubuntu1
    • 1.15.0+1.11.1+1.9.2+1.7.5-1ubuntu2
    • 1.15.0+1.11.1+1.9.2+1.7.5-1ubuntu3
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • php-mongodb Ubuntu:26.10

    Versions
    • 2.1.7-0ubuntu1
    • 2.1.7-0ubuntu2
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • php-mongodb Ubuntu:26.04:LTS

    Versions
    • 2.1.0-1
    • 2.1.7-0ubuntu1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

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