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›vulnerability›CVE-2026-4438
Name
CVE-2026-4438
Source
NVD ( link)Debian ( link)
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
-

Analysis#


Affected Component
Analysis
glibc
Exploitable

Vulnerability Ratings#


5.4
CVSSv31
NaN
other

Others affected components#


Name
Project
Project Version
Version
Status
buildroot
2025.02.x
2.41-163-gc97fdd483232a831829aaff458a212307f1bf4bc
Not Affected
buildroot
master
2.44-57-g34106fee698c83eb0af71d4d0381e66b399be746
Not Affected
yocto
master
2.44+git
Not Affected
yocto
scarthgap
2.39+git
Exploitable