CVE-2026-6042

musl libc GB18030 4-byte Decoder iconv.c iconv algorithmic complexity

LOW
3.3
CVSS Score
Published: April 10, 2026 at 09:00 AM UTC
Updated: October 26, 2026 at 09:10 PM UTC
1 product affected across 1 vendorMusl

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Severity
LOW3.3
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (6)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/356620
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/356620/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/796352
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.openwall.com/lists/oss-security/2026/04/09/19

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

3.3LOWVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-407CWE-404

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