{"id":"CVE-2026-6042","state":"PUBLISHED","title":"musl libc GB18030 4-byte Decoder iconv.c iconv algorithmic complexity","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.","publishedAt":"2026-04-10T09:00:18.733Z","updatedAt":"2026-04-10T15:54:06.200Z","severity":{"score":4.8,"label":"Medium","version":"4.0","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","source":"VulDB"},"assigner":"VulDB","products":["musl libc"],"affected":[{"vendor":"musl","product":"libc","versions":[{"version":"1.2.0","status":"affected"},{"version":"1.2.1","status":"affected"},{"version":"1.2.2","status":"affected"},{"version":"1.2.3","status":"affected"},{"version":"1.2.4","status":"affected"},{"version":"1.2.5","status":"affected"},{"version":"1.2.6","status":"affected"}],"modules":["GB18030 4-byte Decoder"]}],"references":["https://vuldb.com/vuln/356620","https://vuldb.com/vuln/356620/cti","https://vuldb.com/submit/796352","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"],"weaknesses":["CWE-407","CWE-404"],"ingestedAt":"2026-10-29T20:12:49.727Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/6xxx/CVE-2026-6042.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-6042","state":"PUBLISHED","datePublished":"2026-04-10T09:00:18.733Z","dateUpdated":"2026-04-10T15:54:06.200Z","assignerShortName":"VulDB","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","dateReserved":"2026-04-09T17:34:11.256Z"},"containers":{"cna":{"title":"musl libc GB18030 4-byte Decoder iconv.c iconv algorithmic complexity","descriptions":[{"lang":"en","value":"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. 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