CVE-2026-6042

| EUVD-2026-21354 MEDIUM
2026-04-10 VulDB GHSA-2qh3-3rmv-x43w
4.8
CVSS 4.0
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CVSS Vector

CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
X

Lifecycle Timeline

4
Analysis Generated
Apr 10, 2026 - 09:15 vuln.today
EUVD ID Assigned
Apr 10, 2026 - 09:15 euvd
EUVD-2026-21354
Patch Released
Apr 10, 2026 - 09:15 nvd
Patch available
CVE Published
Apr 10, 2026 - 09:00 nvd
MEDIUM 4.8

Tags

Information Disclosure

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.

Analysis

Inefficient algorithmic complexity in musl libc's GB18030 4-byte decoder (iconv function in src/locale/iconv.c) affects versions up to 1.2.6 and allows local authenticated attackers to cause availability impact through resource exhaustion. The vulnerability requires local access and authenticated privileges but enables denial of service via algorithmic complexity exploitation. …

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Priority Score

24
Low Medium High Critical
KEV: 0
EPSS: +0.0
CVSS: +24
POC: 0

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CVE-2026-6042 vulnerability details – vuln.today
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