vulnerability
Alma Linux: CVE-2021-27645: Moderate: glibc security, bug fix, and enhancement update (ALSA-2021-4358)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 2 | (AV:L/AC:M/Au:N/C:N/I:N/A:P) | Feb 24, 2021 | May 4, 2022 | Mar 31, 2026 |
Severity
2
CVSS
(AV:L/AC:M/Au:N/C:N/I:N/A:P)
Published
Feb 24, 2021
Added
May 4, 2022
Modified
Mar 31, 2026
Description
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.
Solutions
alma-upgrade-compat-libpthread-nonsharedalma-upgrade-glibc-benchtestsalma-upgrade-glibc-nss-develalma-upgrade-glibc-staticalma-upgrade-glibc-utilsalma-upgrade-nss_hesiod
Rapid7 Labs
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