{"id":"CVE-2021-27645","revision":"95a944f63ee343f492710458951c42e6","records":[{"revision":"95a944f63ee343f492710458951c42e6","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2021-27645","aliases":[],"title":"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 …","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.","state":0,"publishedAt":"2021-02-24T00:00:00+00:00","modifiedAt":"2026-10-14T11:39:26.942+00:00","affected":[{"ecosystem":"Vendor product","name":"n/a","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"vendor\": \"n/a\",\n                    \"product\": \"n/a\",\n                    \"versions\": [\n                        {\n                            \"version\": \"n/a\",\n                            \"status\": \"affected\"\n                        }\n                    ]\n                }"}],"metrics":[],"references":["https://sourceware.org/bugzilla/show_bug.cgi?id=27462","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I7TS26LIZSOBLGJEZMJX4PXT5BQDE2WS/","https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7LZNT6KTMCCWPWXEOGSHD3YLYZKUGMH5/","https://security.gentoo.org/glsa/202107-07","https://lists.debian.org/debian-lts-announce/2022/10/msg00021.html"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2021-27645","license":"CVE Program Terms of Use","key":"cve-program:CVE-2021-27645","identifiers":["CVE-2021-27645"]},"retained":false,"historicalAffected":[]}],"coverage":[]}