CVE-2026-27143

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Source
https://cve.org/CVERecord?id=CVE-2026-27143
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-27143.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2026-27143
Aliases
Downstream
Related
Published
2026-04-08T01:06:57.168Z
Modified
2026-05-15T04:14:30.869279658Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
Missing bound checks can lead to memory corruption in safe Go in cmd/compile
Details

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.

Database specific 
{
    "unresolved_ranges": [
        {
            "source": "AFFECTED_FIELD",
            "extracted_events": [
                {
                    "fixed": "1.25.9"
                },
                {
                    "introduced": "1.26.0-0"
                },
                {
                    "fixed": "1.26.2"
                }
            ]
        }
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/27xxx/CVE-2026-27143.json",
    "cna_assigner": "Go"
}
References

Affected packages