fkie_cve-2021-27645
Vulnerability from fkie_nvd
Published
2021-02-24 15:15
Modified
2025-06-09 15:15
Severity ?
2.5 (Low) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
2.5 (Low) - CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:N/A:L
Summary
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
cve@mitre.orghttps://lists.debian.org/debian-lts-announce/2022/10/msg00021.htmlMailing List, Third Party Advisory
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/7LZNT6KTMCCWPWXEOGSHD3YLYZKUGMH5/
cve@mitre.orghttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/I7TS26LIZSOBLGJEZMJX4PXT5BQDE2WS/
cve@mitre.orghttps://security.gentoo.org/glsa/202107-07Third Party Advisory
cve@mitre.orghttps://sourceware.org/bugzilla/show_bug.cgi?id=27462Issue Tracking, Patch, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://lists.debian.org/debian-lts-announce/2022/10/msg00021.htmlMailing List, Third Party Advisory
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/202107-07Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108https://sourceware.org/bugzilla/show_bug.cgi?id=27462Issue Tracking, Patch, Third Party Advisory
Impacted products
Vendor Product Version
gnu glibc *
fedoraproject fedora 33
fedoraproject fedora 34
debian debian_linux 10.0


To clipboard 

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              "versionEndIncluding": "2.33",
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  "cveTags": [],
  "descriptions": [
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      "value": "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."
    },
    {
      "lang": "es",
      "value": "El demonio de almacenamiento en cach\u00e9 nameserver (nscd) en el GNU C Library (tambi\u00e9n se conoce como glibc o libc6) versiones 2.29 hasta 2.33, cuando se procesa una petici\u00f3n de b\u00fasqueda de netgroup, puede cometer un fallo debido a una doble liberaci\u00f3n, potencialmente resultando en un servicio degradado o denegaci\u00f3n de servicio en el sistema local.\u0026#xa0;Esto est\u00e1 relacionado con el archivo netgroupcache.c"
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  "id": "CVE-2021-27645",
  "lastModified": "2025-06-09T15:15:25.890",
  "metrics": {
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}


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