{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-6042","assignerOrgId":"1af790b2-7ee1-4545-860a-a788eba489b5","state":"PUBLISHED","assignerShortName":"VulDB","dateReserved":"2026-04-09T17:34:11.256Z","datePublished":"2026-04-10T09:00:18.733Z","dateUpdated":"2026-04-10T15:54:06.200Z"},"containers":{"cna":{"providerMetadata":{"orgId":"1af790b2-7ee1-4545-860a-a788eba489b5","shortName":"VulDB","dateUpdated":"2026-04-10T09:00:18.733Z"},"title":"musl libc GB18030 4-byte Decoder iconv.c iconv algorithmic complexity","problemTypes":[{"descriptions":[{"type":"CWE","cweId":"CWE-407","lang":"en","description":"Inefficient Algorithmic Complexity"}]},{"descriptions":[{"type":"CWE","cweId":"CWE-404","lang":"en","description":"Denial of Service"}]}],"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"]}],"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. To fix this issue, it is recommended to deploy a patch."}],"metrics":[{"cvssV4_0":{"version":"4.0","baseScore":4.8,"vectorString":"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","baseSeverity":"MEDIUM"}},{"cvssV3_1":{"version":"3.1","baseScore":3.3,"vectorString":"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","baseSeverity":"LOW"}},{"cvssV3_0":{"version":"3.0","baseScore":3.3,"vectorString":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L/E:X/RL:O/RC:C","baseSeverity":"LOW"}},{"cvssV2_0":{"version":"2.0","baseScore":1.7,"vectorString":"AV:L/AC:L/Au:S/C:N/I:N/A:P/E:ND/RL:OF/RC:C"}}],"timeline":[{"time":"2026-04-09T00:00:00.000Z","lang":"en","value":"Advisory disclosed"},{"time":"2026-04-09T02:00:00.000Z","lang":"en","value":"VulDB entry created"},{"time":"2026-04-09T19:58:49.000Z","lang":"en","value":"VulDB entry last update"}],"credits":[{"lang":"en","value":"0x001 (VulDB User)","type":"reporter"},{"lang":"en","value":"0x001 (VulDB User)","type":"analyst"}],"references":[{"url":"https://vuldb.com/vuln/356620","name":"VDB-356620 | musl libc GB18030 4-byte Decoder iconv.c iconv algorithmic complexity","tags":["vdb-entry","technical-description"]},{"url":"https://vuldb.com/vuln/356620/cti","name":"VDB-356620 | CTI Indicators (IOB, IOC, IOA)","tags":["signature","permissions-required"]},{"url":"https://vuldb.com/submit/796352","name":"Submit #796352 | musl libc musl 0.8.0 - 1.2.6 Inefficient Algorithmic Complexity","tags":["third-party-advisory"]},{"url":"https://www.openwall.com/lists/oss-security/2026/04/02/10","tags":["related"]},{"url":"https://www.openwall.com/lists/oss-security/2026/04/03/2","tags":["patch"]}]},"adp":[{"title":"CVE Program Container","references":[{"url":"http://www.openwall.com/lists/oss-security/2026/04/09/19"}],"providerMetadata":{"orgId":"af854a3a-2127-422b-91ae-364da2661108","shortName":"CVE","dateUpdated":"2026-04-10T09:31:09.913Z"}},{"metrics":[{"other":{"type":"ssvc","content":{"timestamp":"2026-04-10T15:44:05.493056Z","id":"CVE-2026-6042","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"title":"CISA ADP Vulnrichment","providerMetadata":{"orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","shortName":"CISA-ADP","dateUpdated":"2026-04-10T15:54:06.200Z"}}]}}