CVE-2021-27645

Source
https://nvd.nist.gov/vuln/detail/CVE-2021-27645
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-27645.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-27645
Related
Published
2021-02-24T15:15:13Z
Modified
2024-09-18T03:16:25.643994Z
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

Affected packages

Debian:11 / glibc

Package

Name
glibc
Purl
pkg:deb/debian/glibc?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.31-10

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Debian:12 / glibc

Package

Name
glibc
Purl
pkg:deb/debian/glibc?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.31-10

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Debian:13 / glibc

Package

Name
glibc
Purl
pkg:deb/debian/glibc?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
2.31-10

Ecosystem specific

{
    "urgency": "not yet assigned"
}

Git / sourceware.org/git/glibc.git

Affected ranges

Type
GIT
Repo
https://sourceware.org/git/glibc.git
Events
Introduced
56c86f5dd516284558e106d04b92875d5b623b7a
Last affected
9826b03b747b841f5fc6de2054bf1ef3f5c4bdf3

Affected versions

Other

changelog-ends-here

glibc-2.*

glibc-2.29
glibc-2.29.9000
glibc-2.30
glibc-2.30.9000
glibc-2.31
glibc-2.31.9000
glibc-2.32
glibc-2.32.9000
glibc-2.33