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vulnerabilityCVE-2026-6042
Name
CVE-2026-6042
Source
NVD ( link)Debian ( link)
Description
A security flaw has been discovered in musl libc up to 1.2.6. Affected is the function iconv of the file src/locale/iconv.c of the component GB18030 4-byte Decoder. Performing a manipulation results in inefficient algorithmic complexity. The attack must be initiated from a local position. To fix this issue, it is recommended to deploy a patch.
Published Date
Updated Date
Workaround
-
Advisories

Analysis#


Affected Component
Analysis
musl
Patched

Vulnerability Ratings#


4.8
CVSSv4
3.3
CVSSv31
1.7
CVSSv2
NaN
other

Others affected components#


Name
Project
Project Version
Version
Status
buildroot
2025.02.x
1.2.6
Patched
yocto
kirkstone
1.2.3+gitX
Not Affected
yocto
master
1.2.6+git
Not Affected
yocto
scarthgap
1.2.4+git
Not Affected

Resolved with patches#


musl (buildroot:2025.02.x)

#
Title
Author
Resolve
1
fix pathological slowness & incorrect mappings in iconv
Rich Felker <dalias@aerifal.cx>
CVE-2026-6042

musl (buildroot:master)

#
Title
Author
Resolve
1
fix pathological slowness & incorrect mappings in iconv
Rich Felker <dalias@aerifal.cx>
CVE-2026-6042