{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2026-27144", "assignerOrgId": "1bb62c36-49e3-4200-9d77-64a1400537cc", "state": "PUBLISHED", "assignerShortName": "Go", "dateReserved": "2026-02-17T19:57:28.435Z", "datePublished": "2026-04-08T01:06:56.908Z", "dateUpdated": "2026-04-08T01:06:56.908Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "1bb62c36-49e3-4200-9d77-64a1400537cc", "shortName": "Go", "dateUpdated": "2026-04-08T01:06:56.908Z"}, "title": "Miscompilation allows memory corruption via CONVNOP-wrapped array copy in cmd/compile", "descriptions": [{"lang": "en", "value": "The compiler is meant to unwrap pointers which are the operands of a memory move; a no-op interface conversion prevented the compiler from making the correct determination about non-overlapping moves, potentially leading to memory corruption at runtime."}], "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-440: Expected Behavior Violation"}]}], "references": [{"url": "https://go.dev/cl/763764"}, {"url": "https://go.dev/issue/78371"}, {"url": "https://groups.google.com/g/golang-announce/c/0uYbvbPZRWU"}, {"url": "https://pkg.go.dev/vuln/GO-2026-4867"}], "credits": [{"lang": "en", "value": "Jakub Ciolek - https://ciolek.dev/"}]}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "The compiler is meant to unwrap pointers which are the operands of a memory move; a no-op interface conversion prevented the compiler from making the correct determination about non-overlapping moves, potentially leading to memory corruption at runtime."}], "id": "CVE-2026-27144", "lastModified": "2026-04-08T02:16:03.130", "metrics": {}, "published": "2026-04-08T02:16:03.130", "references": [{"source": "security@golang.org", "url": "https://go.dev/cl/763764"}, {"source": "security@golang.org", "url": "https://go.dev/issue/78371"}, {"source": "security@golang.org", "url": "https://groups.google.com/g/golang-announce/c/0uYbvbPZRWU"}, {"source": "security@golang.org", "url": "https://pkg.go.dev/vuln/GO-2026-4867"}], "sourceIdentifier": "security@golang.org", "vulnStatus": "Received"}

{}

{}