{"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": "2026-04-10T09:31:09.913Z"}, "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"}}]}}

{}

{"cveTags": [], "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."}], "id": "CVE-2026-6042", "lastModified": "2026-04-10T10:16:04.277", "metrics": {"cvssMetricV2": [{"acInsufInfo": false, "baseSeverity": "LOW", "cvssData": {"accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "SINGLE", "availabilityImpact": "PARTIAL", "baseScore": 1.7, "confidentialityImpact": "NONE", "integrityImpact": "NONE", "vectorString": "AV:L/AC:L/Au:S/C:N/I:N/A:P", "version": "2.0"}, "exploitabilityScore": 3.1, "impactScore": 2.9, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "source": "cna@vuldb.com", "type": "Secondary", "userInteractionRequired": false}], "cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "LOW", "baseScore": 3.3, "baseSeverity": "LOW", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 1.4, "source": "cna@vuldb.com", "type": "Secondary"}], "cvssMetricV40": [{"cvssData": {"Automatable": "NOT_DEFINED", "Recovery": "NOT_DEFINED", "Safety": "NOT_DEFINED", "attackComplexity": "LOW", "attackRequirements": "NONE", "attackVector": "LOCAL", "availabilityRequirement": "NOT_DEFINED", "baseScore": 4.8, "baseSeverity": "MEDIUM", "confidentialityRequirement": "NOT_DEFINED", "exploitMaturity": "NOT_DEFINED", "integrityRequirement": "NOT_DEFINED", "modifiedAttackComplexity": "NOT_DEFINED", "modifiedAttackRequirements": "NOT_DEFINED", "modifiedAttackVector": "NOT_DEFINED", "modifiedPrivilegesRequired": "NOT_DEFINED", "modifiedSubAvailabilityImpact": "NOT_DEFINED", "modifiedSubConfidentialityImpact": "NOT_DEFINED", "modifiedSubIntegrityImpact": "NOT_DEFINED", "modifiedUserInteraction": "NOT_DEFINED", "modifiedVulnAvailabilityImpact": "NOT_DEFINED", "modifiedVulnConfidentialityImpact": "NOT_DEFINED", "modifiedVulnIntegrityImpact": "NOT_DEFINED", "privilegesRequired": "LOW", "providerUrgency": "NOT_DEFINED", "subAvailabilityImpact": "NONE", "subConfidentialityImpact": "NONE", "subIntegrityImpact": "NONE", "userInteraction": "NONE", "valueDensity": "NOT_DEFINED", "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/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", "version": "4.0", "vulnAvailabilityImpact": "LOW", "vulnConfidentialityImpact": "NONE", "vulnIntegrityImpact": "NONE", "vulnerabilityResponseEffort": "NOT_DEFINED"}, "source": "cna@vuldb.com", "type": "Secondary"}]}, "published": "2026-04-10T09:16:25.450", "references": [{"source": "cna@vuldb.com", "url": "https://vuldb.com/submit/796352"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/356620"}, {"source": "cna@vuldb.com", "url": "https://vuldb.com/vuln/356620/cti"}, {"source": "cna@vuldb.com", "url": "https://www.openwall.com/lists/oss-security/2026/04/02/10"}, {"source": "cna@vuldb.com", "url": "https://www.openwall.com/lists/oss-security/2026/04/03/2"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "url": "http://www.openwall.com/lists/oss-security/2026/04/09/19"}], "sourceIdentifier": "cna@vuldb.com", "vulnStatus": "Received", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-404"}, {"lang": "en", "value": "CWE-407"}], "source": "cna@vuldb.com", "type": "Secondary"}]}

{}

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