CVE-2021-27645 — Vulnetix

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CVE-2021-27645 PUBLISHED

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.

EPSS 0.04% · 11.1th percentile

Risk Scores

EPSS Score

0.04%

11.1th percentile

Affected Products

Vendor	Product	Versions
Ubuntu:20.04:LTS	glibc	0, 2.30-0ubuntu2, 2.30-0ubuntu3

Timeline

Feb 24, 2021 CVE Published
Apr 14, 2021 EPSS Score
Jun 22, 2021 EPSS Score
Aug 23, 2021 EPSS Score
Oct 24, 2021 EPSS Score
Jan 6, 2022 EPSS Score
Feb 4, 2022 EPSS Score
Feb 25, 2022 EPSS Score
Apr 1, 2022 EPSS Score
Apr 28, 2022 EPSS Score
Jun 29, 2022 EPSS Score
Aug 31, 2022 EPSS Score

References

https://ubuntu.com/security/CVE-2021-27645 third-party-advisory
https://ubuntu.com/security/notices/USN-5310-1 vendor-advisory
https://www.cve.org/CVERecord?id=CVE-2021-27645 third-party-advisory

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