CVE-2021-27645

Low

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.

SeverityLow
CVSS2.5
Exploit probability—
ProductGnu Glibc
PublishedFeb 24, 2021
First seenFeb 24, 2021
Weakness typeCWE-415CWE-415

How to fix

Affected products

ProductAffected versionsFixed in
gnu glibc2.29 ≤ v ≤ 2.33—
fedoraproject fedora33, 34—
debian debian_linux10.0—

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