p PatchFirst

CVE-2021-43400

CVE-2021-43400

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

An issue was discovered in gatt-database.c in BlueZ 5.61. A use-after-free can occur when a client disconnects during D-Bus processing of a WriteValue call.

CVSS 9.1 · Critical · EPSS 1.7% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • n/a

    Versions
    • n/a: Affected

    No fix published

  • bluez Debian:12

    Affected ranges
    • ECOSYSTEM: < 5.62-1

    Update to 5.62-1

  • bluez Debian:13

    Affected ranges
    • ECOSYSTEM: < 5.62-1

    Update to 5.62-1

  • bluez Debian:14

    Affected ranges
    • ECOSYSTEM: < 5.62-1

    Update to 5.62-1

  • bluez Ubuntu:Pro:16.04:LTS

    Versions
    • 5.35-0ubuntu2
    • 5.36-0ubuntu1
    • 5.37-0ubuntu5
    • 5.37-0ubuntu5.1
    • 5.37-0ubuntu5.3
    • 5.37-0ubuntu5.3+esm1
    • 5.37-0ubuntu5.3+esm2
    • 5.37-0ubuntu5.3+esm3
    • 5.37-0ubuntu5.3+esm4
    • 5.37-0ubuntu5.3+esm5
    • 5.37-0ubuntu5.3+esm6
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • bluez Ubuntu:18.04:LTS

    Versions
    • 5.46-0ubuntu3
    • 5.46-0ubuntu4
    • 5.48-0ubuntu3
    • 5.48-0ubuntu3.1
    • 5.48-0ubuntu3.2
    • 5.48-0ubuntu3.3
    • 5.48-0ubuntu3.4
    • 5.48-0ubuntu3.5
    Affected ranges
    • ECOSYSTEM: < 5.48-0ubuntu3.6

    Update to 5.48-0ubuntu3.6

  • bluez Ubuntu:20.04:LTS

    Versions
    • 5.50-0ubuntu4
    • 5.51-0ubuntu1
    • 5.51-0ubuntu2
    • 5.52-0ubuntu1
    • 5.52-0ubuntu2
    • 5.53-0ubuntu1
    • 5.53-0ubuntu2
    • 5.53-0ubuntu3
    • 5.53-0ubuntu3.1
    • 5.53-0ubuntu3.2
    • 5.53-0ubuntu3.3
    Affected ranges
    • ECOSYSTEM: < 5.53-0ubuntu3.4

    Update to 5.53-0ubuntu3.4

Original sources

Check your server →