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CVE-2021-27645

CVE-2021-27645

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

The nameserver caching daemon (nscd) in the GNU C Library (aka glibc or libc6) 2.29 through 2.33, when processing a request for netgroup lookup, may crash due to a double-free, potentially resulting in degraded service or Denial of Service on the local system. This is related to netgroupcache.c.

CVSS 2.5 · Low · EPSS 0.4% · Fix available

Published
Updated

Stack: system

Affected products and versions

  • n/a

    Versions
    • n/a: Affected

    No fix published

  • glibc Debian:12

    Affected ranges
    • ECOSYSTEM: < 2.31-10

    Update to 2.31-10

  • glibc Debian:13

    Affected ranges
    • ECOSYSTEM: < 2.31-10

    Update to 2.31-10

  • glibc Debian:14

    Affected ranges
    • ECOSYSTEM: < 2.31-10

    Update to 2.31-10

  • 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
    Affected ranges
    • ECOSYSTEM: < 2.31-0ubuntu9.7

    Update to 2.31-0ubuntu9.7

Original sources

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