Logo
vulnerabilityCVE-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
openwrt
master
1.3.2-r1
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