CVE-2026-6042
musl libc GB18030 4-byte Decoder iconv.c iconv algorithmic complexity
CVSS Score
3.3
EPSS Score
0.0%
EPSS Percentile
2th
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.
| CWE | CWE-407 CWE-404 |
| Vendor | musl |
| Product | libc |
| Published | Apr 10, 2026 |
| Last Updated | Apr 10, 2026 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:X/RL:O/RC:C Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality
Integrity
Availability
Affected Versions
musl / libc
1.2.0 1.2.1 1.2.2 1.2.3 1.2.4 1.2.5 1.2.6
References
vuldb.com: https://vuldb.com/vuln/356620 vuldb.com: https://vuldb.com/vuln/356620/cti vuldb.com: https://vuldb.com/submit/796352 openwall.com: https://www.openwall.com/lists/oss-security/2026/04/02/10 openwall.com: https://www.openwall.com/lists/oss-security/2026/04/03/2 openwall.com: http://www.openwall.com/lists/oss-security/2026/04/09/19
Credits
🔍 0x001 (VulDB User) 0x001 (VulDB User)