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CVE-2022-2929

CVE-2022-2929 · DHCP memory leak

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

In ISC DHCP 1.0 -> 4.4.3, ISC DHCP 4.1-ESV-R1 -> 4.1-ESV-R16-P1 a system with access to a DHCP server, sending DHCP packets crafted to include fqdn labels longer than 63 bytes, could eventually cause the server to run out of memory.

CVSS 6.5 · Medium · EPSS 0.7% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • isc dhcp

    Versions
    • 1.0 through versions before 4.1-ESV-R16-P2: Affected
    • 4.2 through versions before 4.4.3.-P1: Affected

    No fix published

  • isc-dhcp Debian:12

    Affected ranges
    • ECOSYSTEM: < 4.4.3-2.1

    Update to 4.4.3-2.1

  • isc-dhcp Debian:13

    Affected ranges
    • ECOSYSTEM: < 4.4.3-2.1

    Update to 4.4.3-2.1

  • isc-dhcp Ubuntu:Pro:14.04:LTS

    Versions
    • 4.2.4-7ubuntu8
    • 4.2.4-7ubuntu9
    • 4.2.4-7ubuntu10
    • 4.2.4-7ubuntu11
    • 4.2.4-7ubuntu12
    • 4.2.4-7ubuntu12.1
    • 4.2.4-7ubuntu12.2
    • 4.2.4-7ubuntu12.3
    • 4.2.4-7ubuntu12.4
    • 4.2.4-7ubuntu12.5
    • 4.2.4-7ubuntu12.6
    • 4.2.4-7ubuntu12.7
    • 4.2.4-7ubuntu12.8
    • 4.2.4-7ubuntu12.9
    • 4.2.4-7ubuntu12.10
    • 4.2.4-7ubuntu12.12
    • 4.2.4-7ubuntu12.13
    • 4.2.4-7ubuntu12.13+esm1
    Affected ranges
    • ECOSYSTEM: < 4.2.4-7ubuntu12.13+esm2

    Update to 4.2.4-7ubuntu12.13+esm2

  • isc-dhcp Ubuntu:Pro:16.04:LTS

    Versions
    • 4.3.1-5ubuntu3
    • 4.3.1-5ubuntu4
    • 4.3.1-5ubuntu5
    • 4.3.3-5ubuntu1
    • 4.3.3-5ubuntu2
    • 4.3.3-5ubuntu4
    • 4.3.3-5ubuntu5
    • 4.3.3-5ubuntu7
    • 4.3.3-5ubuntu8
    • 4.3.3-5ubuntu9
    • 4.3.3-5ubuntu10
    • 4.3.3-5ubuntu11
    • 4.3.3-5ubuntu12
    • 4.3.3-5ubuntu12.1
    • 4.3.3-5ubuntu12.3
    • 4.3.3-5ubuntu12.4
    • 4.3.3-5ubuntu12.6
    • 4.3.3-5ubuntu12.7
    • 4.3.3-5ubuntu12.9
    • 4.3.3-5ubuntu12.10
    • 4.3.3-5ubuntu12.10+esm1
    Affected ranges
    • ECOSYSTEM: < 4.3.3-5ubuntu12.10+esm2

    Update to 4.3.3-5ubuntu12.10+esm2

  • isc-dhcp Ubuntu:18.04:LTS

    Versions
    • 4.3.5-3ubuntu2
    • 4.3.5-3ubuntu3
    • 4.3.5-3ubuntu4
    • 4.3.5-3ubuntu5
    • 4.3.5-3ubuntu6
    • 4.3.5-3ubuntu7
    • 4.3.5-3ubuntu7.1
    • 4.3.5-3ubuntu7.2
    • 4.3.5-3ubuntu7.3
    Affected ranges
    • ECOSYSTEM: < 4.3.5-3ubuntu7.4

    Update to 4.3.5-3ubuntu7.4

  • isc-dhcp Ubuntu:20.04:LTS

    Versions
    • 4.4.1-2ubuntu5
    • 4.4.1-2ubuntu6
    • 4.4.1-2.1ubuntu1
    • 4.4.1-2.1ubuntu2
    • 4.4.1-2.1ubuntu3
    • 4.4.1-2.1ubuntu4
    • 4.4.1-2.1ubuntu5
    • 4.4.1-2.1ubuntu5.20.04.1
    • 4.4.1-2.1ubuntu5.20.04.2
    • 4.4.1-2.1ubuntu5.20.04.3
    Affected ranges
    • ECOSYSTEM: < 4.4.1-2.1ubuntu5.20.04.4

    Update to 4.4.1-2.1ubuntu5.20.04.4

  • isc-dhcp Ubuntu:22.04:LTS

    Versions
    • 4.4.1-2.3ubuntu1
    • 4.4.1-2.3ubuntu2
    • 4.4.1-2.3ubuntu2.1
    • 4.4.1-2.3ubuntu2.2
    Affected ranges
    • ECOSYSTEM: < 4.4.1-2.3ubuntu2.3

    Update to 4.4.1-2.3ubuntu2.3

Original sources

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