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Affected Component
Analysis
glibc
Exploitable
Name
CVE-2026-4438
Description
Calling gethostbyaddr or gethostbyaddr_r with a configured nsswitch.conf that specifies the library's DNS backend in the GNU C library version 2.34 to version 2.43 could result in an invalid DNS hostname being returned to the caller in violation of the DNS specification.
Published Date
Updated Date
Workaround
-
Advisories
Analysis#
Vulnerability Ratings#
5.4
CVSSv31
NaN
other