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The nameserver caching daemon (nscd) in the GNU C Library...

Moderate severity Unreviewed Published May 24, 2022 to the GitHub Advisory Database • Updated Jan 30, 2023

Package

No package listed— Suggest a package

Affected versions

Unknown

Patched versions

Unknown

Description

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.

References

Published by the National Vulnerability Database Feb 24, 2021
Published to the GitHub Advisory Database May 24, 2022
Last updated Jan 30, 2023

Severity

Moderate

EPSS score

Exploit Prediction Scoring System (EPSS)

This score estimates the probability of this vulnerability being exploited within the next 30 days. Data provided by FIRST.
(20th percentile)

Weaknesses

CVE ID

CVE-2021-27645

GHSA ID

GHSA-2hpw-5cjm-953f

Source code

No known source code

Dependabot alerts are not supported on this advisory because it does not have a package from a supported ecosystem with an affected and fixed version.

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