CVE-2026-27143

{"id": "CVE-2026-27143", "cveTags": [], "metrics": {"ssvcV203": [{"source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "ssvcData": {"id": "CVE-2026-27143", "role": "CISA Coordinator", "options": [{"exploitation": "none"}, {"automatable": "yes"}, {"technicalImpact": "total"}], "version": "2.0.3", "timestamp": "2026-04-13T17:50:24.131708Z"}}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"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"}, "impactScore": 5.9, "exploitabilityScore": 3.9}, {"type": "Secondary", "source": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "cvssData": {"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"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "affected": [{"source": "security@golang.org", "affectedData": [{"vendor": "Go toolchain", "product": "cmd/compile", "versions": [{"status": "affected", "version": "0", "lessThan": "1.25.9", "versionType": "semver"}, {"status": "affected", "version": "1.26.0-0", "lessThan": "1.26.2", "versionType": "semver"}], "packageName": "cmd/compile", "collectionURL": "https://pkg.go.dev", "defaultStatus": "unaffected"}]}], "published": "2026-04-08T02:16:03.017", "references": [{"url": "https://go.dev/cl/763765", "tags": ["Patch"], "source": "security@golang.org"}, {"url": "https://go.dev/issue/78333", "tags": ["Issue Tracking"], "source": "security@golang.org"}, {"url": "https://groups.google.com/g/golang-announce/c/0uYbvbPZRWU", "tags": ["Mailing List", "Release Notes"], "source": "security@golang.org"}, {"url": "https://pkg.go.dev/vuln/GO-2026-4868", "tags": ["Vendor Advisory"], "source": "security@golang.org"}], "vulnStatus": "Analyzed", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "NVD-CWE-Other"}]}], "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."}, {"lang": "es", "value": "La aritm\u00e9tica sobre variables de inducci\u00f3n en bucles no se comprob\u00f3 correctamente para subdesbordamiento o desbordamiento. Como resultado, el compilador permitir\u00eda que ocurriera una indexaci\u00f3n inv\u00e1lida en tiempo de ejecuci\u00f3n, lo que podr\u00eda llevar a corrupci\u00f3n de memoria."}], "lastModified": "2026-07-25T11:10:00.100", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C6C9C072-9817-402D-877F-F83584B07017", "versionEndExcluding": "1.25.9"}, {"criteria": "cpe:2.3:a:golang:go:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "39FE9BAF-55E9-43AA-B14E-239E7EF1D65D", "versionEndExcluding": "1.26.2", "versionStartIncluding": "1.26.0"}], "operator": "OR"}]}], "sourceIdentifier": "security@golang.org"}