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›vulnerability›CVE-2026-27171
Name
CVE-2026-27171
Source
NVD ( link)Debian ( link)
Description
zlib before 1.3.2 allows CPU consumption via crc32_combine64 and crc32_combine_gen64 because x2nmodp can do right shifts within a loop that has no termination condition.
Published Date
Updated Date
Workaround
-

Analysis#


Affected Component
Analysis
zlib
Exploitable

Vulnerability Ratings#


2.9
CVSSv31
5.5
CVSSv31
NaN
other

Others affected components#


Name
Project
Project Version
Version
Status
buildroot
2025.02.x
1.3.2
Not Affected
buildroot
master
1.3.2
Not Affected
yocto
kirkstone
1.2.11
Not Affected
yocto
master
1.3.2
Not Affected
yocto
scarthgap
1.3.1
Patched

Resolved with patches#


zlib (yocto:scarthgap)

#
Title
Author
Resolve
1
Check for negative lengths in crc32_combine functions.
Mark Adler <git@madler.net>
CVE-2026-27171