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CVE-2026-4359

CVE-2026-4359 · Heap-buffer-over-read in _mongoc_http_send via strstr on non-null-terminated buffer

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

A compromised third party cloud server or man-in-the-middle attacker could send a malformed HTTP response and cause a crash in applications using the MongoDB C driver.

CVSS 2.0 · Low · EPSS 0.2% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • mongodb c driver

    Versions
    • ≥ 0, < 2.2.3: Affected (custom)

    Update to 2.2.3

  • mongo-c-driver Debian:12

    Versions
    • 1.23.1-1
    • 1.23.1-1+deb12u1
    • 1.23.1-1+deb12u2
    Affected ranges
    • ECOSYSTEM: < 1.23.1-1+deb12u3

    Update to 1.23.1-1+deb12u3

  • mongo-c-driver Debian:13

    Versions
    • 1.30.4-1
    • 1.30.4-1+deb13u1
    Affected ranges
    • ECOSYSTEM: < 1.30.4-1+deb13u2

    Update to 1.30.4-1+deb13u2

  • mongo-c-driver Debian:14

    Versions
    • 1.30.4-1
    • 2.0.2-1
    • 2.1.0-1
    • 2.1.1-1
    • 2.1.2-1
    • 2.2.0-1
    • 2.2.1-1
    • 2.2.2-1
    Affected ranges
    • ECOSYSTEM: < 2.2.3-1

    Update to 2.2.3-1

  • mongo-c-driver Ubuntu:Pro:20.04:LTS

    Versions
    • 1.15.0-1
    • 1.15.1-1
    • 1.15.2-1
    • 1.16.0-1
    • 1.16.1-1
    • 1.16.1-1build1
    • 1.16.1-1build2
    • 1.16.1-1ubuntu0.1~esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • mongo-c-driver Ubuntu:Pro:22.04:LTS

    Versions
    • 1.18.0-1
    • 1.19.1-1
    • 1.19.2-1
    • 1.20.0-1
    • 1.20.0-1build1
    • 1.20.1-1
    • 1.21.0-1
    • 1.21.0-1build1
    • 1.21.0-1ubuntu0.1~esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • mongo-c-driver Ubuntu:Pro:24.04:LTS

    Versions
    • 1.24.3-1
    • 1.24.4-1
    • 1.25.1-1
    • 1.25.2-1
    • 1.25.4-1
    • 1.26.0-1
    • 1.26.0-1.1ubuntu1
    • 1.26.0-1.1ubuntu2
    • 1.26.0-1.1ubuntu2+esm1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • mongo-c-driver Ubuntu:25.10

    Versions
    • 1.30.2-1
    • 1.30.4-1ubuntu1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • mongo-c-driver Ubuntu:26.10

    Versions
    • 2.2.2-1
    • 2.3.1-1
    • 2.3.2-1
    • 2.3.3-1build1
    • 2.5.0-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • mongo-c-driver Ubuntu:26.04:LTS

    Versions
    • 1.30.4-1ubuntu1
    • 2.2.0-1
    • 2.2.1-1
    • 2.2.2-1
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

Original sources

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