CVE-2026-6042

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.

CVSS Vector

References

• https://vuldb.com/submit/796352
• https://vuldb.com/vuln/356620
• https://vuldb.com/vuln/356620/cti
• https://www.openwall.com/lists/oss-security/2026/04/02/10
• https://www.openwall.com/lists/oss-security/2026/04/03/2
• http://www.openwall.com/lists/oss-security/2026/04/09/19