AUGUST 4, 2026
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Case File

CVE-2021-27645

LOW · CVSS 2.5 EPSS 0.37%

Source: NVD + CISA KEV + EPSS (historical backfill) · Published 2021-02-24 · Last synced 2026-08-04

CyberRota Analysis

This is a low severity vulnerability with a CVSS score of 2.5. It may lead to a denial-of-service condition.

CVE
CVE-2021-27645
Severity
LOW
CVSS
2.5
EPSS
0.37%

Original NVD 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.

Related CVEs

Other vulnerabilities affecting the same vendor(s)