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CVE-2023-4813

CVE-2023-4813 · Glibc: potential use-after-free in gaih_inet()

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

A flaw has been identified in glibc. In an uncommon situation, the gaih_inet function may use memory that has been freed, resulting in an application crash. This issue is only exploitable when the getaddrinfo function is called and the hosts database in /etc/nsswitch.conf is configured with SUCCESS=continue or SUCCESS=merge.

CVSS 5.9 · Medium · EPSS 2.2% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • red hat enterprise linux 8

    Versions
    • ≥ 0:2.28-225.el8_8.6: Not affected (rpm)

    No fix published

  • red hat enterprise linux 8.6 extended update support

    Versions
    • ≥ 0:2.28-189.8.el8_6: Not affected (rpm)

    No fix published

  • red hat enterprise linux 9

    Versions
    • ≥ 0:2.34-100.el9: Not affected (rpm)

    No fix published

  • red hat enterprise linux 9

    Versions
    • ≥ 0:2.34-60.el9_2.7: Not affected (rpm)

    No fix published

  • red hat virtualization 4 for red hat enterprise linux 8

    Versions
    • ≥ 0:2.28-189.8.el8_6: Not affected (rpm)

    No fix published

  • red hat enterprise linux 6

    No fix published

  • red hat enterprise linux 7

    No fix published

  • glibc Debian:12

    Affected ranges
    • ECOSYSTEM: < 2.36-3

    Update to 2.36-3

  • glibc Debian:13

    Affected ranges
    • ECOSYSTEM: < 2.36-3

    Update to 2.36-3

  • glibc Debian:14

    Affected ranges
    • ECOSYSTEM: < 2.36-3

    Update to 2.36-3

  • eglibc Ubuntu:Pro:14.04:LTS

    Versions
    • 2.17-93ubuntu4
    • 2.18-0ubuntu1
    • 2.18-0ubuntu2
    • 2.18-0ubuntu4
    • 2.18-0ubuntu5
    • 2.18-0ubuntu6
    • 2.18-0ubuntu7
    • 2.19-0ubuntu2
    • 2.19-0ubuntu3
    • 2.19-0ubuntu4
    • 2.19-0ubuntu5
    • 2.19-0ubuntu6
    • 2.19-0ubuntu6.1
    • 2.19-0ubuntu6.3
    • 2.19-0ubuntu6.4
    • 2.19-0ubuntu6.5
    • 2.19-0ubuntu6.6
    • 2.19-0ubuntu6.7
    • 2.19-0ubuntu6.8
    • 2.19-0ubuntu6.9
    • 2.19-0ubuntu6.10
    • 2.19-0ubuntu6.11
    • 2.19-0ubuntu6.13
    • 2.19-0ubuntu6.14
    • 2.19-0ubuntu6.15
    • 2.19-0ubuntu6.15+esm1
    • 2.19-0ubuntu6.15+esm2
    • 2.19-0ubuntu6.15+esm3
    • 2.19-0ubuntu6.15+esm4
    Affected ranges
    • ECOSYSTEM: (−∞, +∞)

    No fix published

  • glibc Ubuntu:Pro:16.04:LTS

    Versions
    • 2.21-0ubuntu4
    • 2.21-0ubuntu5
    • 2.21-0ubuntu6
    • 2.23-0ubuntu1
    • 2.23-0ubuntu2
    • 2.23-0ubuntu3
    • 2.23-0ubuntu4
    • 2.23-0ubuntu5
    • 2.23-0ubuntu6
    • 2.23-0ubuntu7
    • 2.23-0ubuntu9
    • 2.23-0ubuntu10
    • 2.23-0ubuntu11
    • 2.23-0ubuntu11.2
    • 2.23-0ubuntu11.3
    • 2.23-0ubuntu11.3+esm1
    • 2.23-0ubuntu11.3+esm2
    • 2.23-0ubuntu11.3+esm3
    Affected ranges
    • ECOSYSTEM: < 2.23-0ubuntu11.3+esm5

    Update to 2.23-0ubuntu11.3+esm5

  • glibc Ubuntu:Pro:18.04:LTS

    Versions
    • 2.26-0ubuntu2
    • 2.26-0ubuntu2.1
    • 2.27-0ubuntu2
    • 2.27-0ubuntu3
    • 2.27-3ubuntu1
    • 2.27-3ubuntu1.2
    • 2.27-3ubuntu1.3
    • 2.27-3ubuntu1.4
    • 2.27-3ubuntu1.5
    • 2.27-3ubuntu1.6
    Affected ranges
    • ECOSYSTEM: < 2.27-3ubuntu1.6+esm1

    Update to 2.27-3ubuntu1.6+esm1

  • glibc Ubuntu:20.04:LTS

    Versions
    • 2.30-0ubuntu2
    • 2.30-0ubuntu3
    • 2.31-0ubuntu5
    • 2.31-0ubuntu6
    • 2.31-0ubuntu7
    • 2.31-0ubuntu9
    • 2.31-0ubuntu9.1
    • 2.31-0ubuntu9.2
    • 2.31-0ubuntu9.3
    • 2.31-0ubuntu9.7
    • 2.31-0ubuntu9.9
    • 2.31-0ubuntu9.12
    Affected ranges
    • ECOSYSTEM: < 2.31-0ubuntu9.14

    Update to 2.31-0ubuntu9.14

  • glibc Ubuntu:22.04:LTS

    Versions
    • 2.34-0ubuntu3
    • 2.35-0ubuntu1
    • 2.35-0ubuntu3
    • 2.35-0ubuntu3.1
    • 2.35-0ubuntu3.3
    • 2.35-0ubuntu3.4
    Affected ranges
    • ECOSYSTEM: < 2.35-0ubuntu3.5

    Update to 2.35-0ubuntu3.5

Original sources

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