2.5

CVE-2021-27645

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.
Daten sind bereitgestellt durch National Vulnerability Database (NVD)
Gnu ≫ Glibc Version >= 2.29 <= 2.33
Fedoraproject ≫ Fedora Version 33
Fedoraproject ≫ Fedora Version 34
Debian ≫ Debian Linux Version 10.0
Zu dieser CVE wurde keine Warnung gefunden.
EPSS Metriken
Typ Quelle Score Percentile
EPSS FIRST.org 0.37% 0.29
CVSS Metriken
Quelle Base Score Exploit Score Impact Score Vector String
NIST 2.5 1 1.4
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
NIST 1.9 3.4 2.9
AV:L/AC:M/Au:N/C:N/I:N/A:P
CISA-ADP 2.5 1 1.4
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
CWE-415 Double Free

The product calls free() twice on the same memory address.

https://lists.debian.org/debian-lts-announce/2022/10/msg00021.html
Third Party Advisory
Mailing List
https://security.gentoo.org/glsa/202107-07
Third Party Advisory
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/
https://sourceware.org/bugzilla/show_bug.cgi?id=27462
Patch
Third Party Advisory
Issue Tracking