{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2026-27143", "assignerOrgId": "1bb62c36-49e3-4200-9d77-64a1400537cc", "state": "PUBLISHED", "assignerShortName": "Go", "dateReserved": "2026-02-17T19:57:28.435Z", "datePublished": "2026-04-08T01:06:57.168Z", "dateUpdated": "2026-04-13T18:20:17.933Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "1bb62c36-49e3-4200-9d77-64a1400537cc", "shortName": "Go", "dateUpdated": "2026-04-08T01:06:57.168Z" }, "title": "Missing bound checks can lead to memory corruption in safe Go in cmd/compile", "descriptions": [ { "lang": "en", "value": "Arithmetic over induction variables in loops were not correctly checked for underflow or overflow. As a result, the compiler would allow for invalid indexing to occur at runtime, potentially leading to memory corruption." } ], "affected": [ { "vendor": "Go toolchain", "product": "cmd/compile", "collectionURL": "https://pkg.go.dev", "packageName": "cmd/compile", "versions": [ { "version": "0", "lessThan": "1.25.9", "status": "affected", "versionType": "semver" }, { "version": "1.26.0-0", "lessThan": "1.26.2", "status": "affected", "versionType": "semver" } ], "defaultStatus": "unaffected" } ], "problemTypes": [ { "descriptions": [ { "lang": "en", "description": "CWE-190: Integer Overflow or Wraparound" } ] } ], "references": [ { "url": "https://go.dev/cl/763765" }, { "url": "https://go.dev/issue/78333" }, { "url": "https://groups.google.com/g/golang-announce/c/0uYbvbPZRWU" }, { "url": "https://pkg.go.dev/vuln/GO-2026-4868" } ], "credits": [ { "lang": "en", "value": "Jakub Ciolek - https://ciolek.dev/" } ] }, "adp": [ { "metrics": [ { "cvssV3_1": { "scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH" } }, { "other": { "type": "ssvc", "content": { "timestamp": "2026-04-13T17:50:24.131708Z", "id": "CVE-2026-27143", "options": [ { "Exploitation": "none" }, { "Automatable": "yes" }, { "Technical Impact": "total" } ], "role": "CISA Coordinator", "version": "2.0.3" } } } ], "title": "CISA ADP Vulnrichment", "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2026-04-13T18:20:17.933Z" } } ] } }