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.
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History
Wed, 14 Oct 2026 12:30:00 +0000
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Tue, 15 Jul 2025 13:45:00 +0000
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Mon, 09 Jun 2025 15:15:00 +0000
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Status: PUBLISHED
Assigner: mitre
Published: 2021-02-24T00:00:00.000Z
Updated: 2026-10-14T11:39:26.942Z
Reserved: 2021-02-24T00:00:00.000Z
Link: CVE-2021-27645
Updated: 2024-08-03T21:26:10.554Z
Status : Modified
Published: 2021-02-24T15:15:13.837
Modified: 2026-10-14T12:17:10.460
Link: CVE-2021-27645