{"id":"CVE-2026-39824","state":"PUBLISHED","title":"Invoking  integer overflow in NewNTUnicodeString in golang.org/x/sys/windows","description":"NewNTUnicodeString does not check for string length overflow. When provided with a string that overflows the maximum size of a NTUnicodeString (a 16-bit number of bytes), it returns a truncated string rather than an error.","publishedAt":"2026-05-22T19:39:47.629Z","updatedAt":"2026-05-27T13:31:26.148Z","severity":{"score":3.3,"label":"Low","version":"3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","source":"CISA-ADP"},"assigner":"Go","products":["golang.org/x/sys golang.org/x/sys/windows"],"affected":[{"vendor":"golang.org/x/sys","product":"golang.org/x/sys/windows","packageName":"golang.org/x/sys/windows","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"0.44.0","versionType":"semver"}],"collectionURL":"https://pkg.go.dev","platforms":["windows"],"programRoutines":[{"name":"NewNTUnicodeString"}]}],"references":["https://go.dev/issue/78916","https://go.dev/cl/770080","https://groups.google.com/g/golang-announce/c/6MMI8Lj-Atg","https://pkg.go.dev/vuln/GO-2026-5024"],"weaknesses":["CWE-190"],"ingestedAt":"2026-10-29T20:11:50.837Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/39xxx/CVE-2026-39824.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-39824","state":"PUBLISHED","datePublished":"2026-05-22T19:39:47.629Z","dateUpdated":"2026-05-27T13:31:26.148Z","assignerShortName":"Go","assignerOrgId":"1bb62c36-49e3-4200-9d77-64a1400537cc","dateReserved":"2026-04-07T18:13:03.527Z"},"containers":{"cna":{"title":"Invoking  integer overflow in NewNTUnicodeString in golang.org/x/sys/windows","descriptions":[{"lang":"en","value":"NewNTUnicodeString does not check for string length overflow. When provided with a string that overflows the maximum size of a NTUnicodeString (a 16-bit number of bytes), it returns a truncated string rather than an error."}],"affected":[{"vendor":"golang.org/x/sys","product":"golang.org/x/sys/windows","packageName":"golang.org/x/sys/windows","defaultStatus":"unaffected","versions":[{"version":"0","status":"affected","lessThan":"0.44.0","versionType":"semver"}],"collectionURL":"https://pkg.go.dev","platforms":["windows"],"programRoutines":[{"name":"NewNTUnicodeString"}]}],"references":[{"url":"https://go.dev/issue/78916"},{"url":"https://go.dev/cl/770080"},{"url":"https://groups.google.com/g/golang-announce/c/6MMI8Lj-Atg"},{"url":"https://pkg.go.dev/vuln/GO-2026-5024"}],"problemTypes":[{"descriptions":[{"lang":"en","description":"CWE-190: Integer Overflow or Wraparound"}]}],"providerMetadata":{"shortName":"Go","orgId":"1bb62c36-49e3-4200-9d77-64a1400537cc","dateUpdated":"2026-05-22T19:39:47.629Z"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":3.3,"attackVector":"LOCAL","baseSeverity":"LOW","vectorString":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N","integrityImpact":"LOW","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"NONE","privilegesRequired":"LOW","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-05-27T13:31:22.142852Z","id":"CVE-2026-39824","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"partial"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"problemTypes":[{"descriptions":[{"cweId":"CWE-190","type":"CWE","lang":"en","description":"CWE-190 Integer Overflow or Wraparound"}]}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-05-27T13:31:26.148Z"}}]}}}