CVE-2021-27645
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2021-27645
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-27645.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2021-27645
- Downstream
- Related
- Published
- 2021-02-24T15:15:13Z
- Modified
- 2025-10-08T04:25:00.153222Z
- Severity
-
- 2.5 (Low) CVSS_V3 - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L CVSS Calculator
- Summary
- [none]
- Details
-
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
-
- https://lists.debian.org/debian-lts-announce/2022/10/msg00021.html
- https://security.gentoo.org/glsa/202107-07
- https://sourceware.org/bugzilla/show_bug.cgi?id=27462
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7LZNT6KTMCCWPWXEOGSHD3YLYZKUGMH5/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I7TS26LIZSOBLGJEZMJX4PXT5BQDE2WS/