CVE-2021-27645CWE-415

CVE-2021-27645

Low · published February 24, 2021

CVSS v3.1
2.5
EPSS
0%
Percentile
31.4
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
2.5 · LOW
Vector
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
CVSS v4.0
Not supplied
EPSS
0.00385 · 31.4th percentile
Weakness
CWE-415 · Double Free
Published
2021-02-24T20:15Z
Affected products (4)
ProductVersionsFixed in
gnu/glibc≥ 2.29, ≤ 2.33—
fedoraproject/fedoraall versions—
fedoraproject/fedoraall versions—
debian/debian_linuxall versions—
References (12)
https://lists.debian.org/debian-lts-announce/2022/10/msg00021.html · [email protected]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7LZNT6KTMCCWPWXEOGSHD3YLYZKUGMH5/ · [email protected]https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I7TS26LIZSOBLGJEZMJX4PXT5BQDE2WS/ · [email protected]https://security.gentoo.org/glsa/202107-07 · [email protected]https://sourceware.org/bugzilla/show_bug.cgi?id=27462 · [email protected]https://lists.debian.org/debian-lts-announce/2022/10/msg00021.html · af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7LZNT6KTMCCWPWXEOGSHD3YLYZKUGMH5/ · af854a3a-2127-422b-91ae-364da2661108https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I7TS26LIZSOBLGJEZMJX4PXT5BQDE2WS/ · af854a3a-2127-422b-91ae-364da2661108https://security.gentoo.org/glsa/202107-07 · af854a3a-2127-422b-91ae-364da2661108https://sourceware.org/bugzilla/show_bug.cgi?id=27462 · af854a3a-2127-422b-91ae-364da2661108https://cert-portal.siemens.com/productcert/html/ssa-398330.html · 0b142b55-0307-4c5a-b3c9-f314f3fb7c5ehttps://cert-portal.siemens.com/productcert/html/ssa-831302.html · 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
EPSS history
Timeline
  • 24 FEB 00:00Z
    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…
    cvelistv5