{"id":"CVE-2026-20639","state":"PUBLISHED","title":"An integer overflow was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.3. Processing a maliciously craft","description":"An integer overflow was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.3. Processing a maliciously crafted string may lead to heap corruption.","publishedAt":"2026-03-25T00:32:30.351Z","updatedAt":"2026-04-02T18:20:46.356Z","severity":{"score":7.5,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","source":"CISA-ADP"},"assigner":"apple","products":["Apple macOS"],"affected":[{"vendor":"Apple","product":"macOS","versions":[{"version":"0","status":"affected","lessThan":"14.8.5","versionType":"custom"},{"version":"0","status":"affected","lessThan":"15.7.5","versionType":"custom"},{"version":"0","status":"affected","lessThan":"26.3","versionType":"custom"}]}],"references":["https://support.apple.com/en-us/126348","https://support.apple.com/en-us/126795","https://support.apple.com/en-us/126796"],"weaknesses":["CWE-190"],"ingestedAt":"2026-10-29T20:11:10.572Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/20xxx/CVE-2026-20639.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-20639","state":"PUBLISHED","datePublished":"2026-03-25T00:32:30.351Z","dateUpdated":"2026-04-02T18:20:46.356Z","assignerShortName":"apple","assignerOrgId":"286789f9-fbc2-4510-9f9a-43facdede74c","dateReserved":"2025-11-11T14:43:07.861Z"},"containers":{"cna":{"descriptions":[{"lang":"en","value":"An integer overflow was addressed with improved input validation. This issue is fixed in macOS Sequoia 15.7.5, macOS Sonoma 14.8.5, macOS Tahoe 26.3. Processing a maliciously crafted string may lead to heap corruption."}],"affected":[{"vendor":"Apple","product":"macOS","versions":[{"version":"0","status":"affected","lessThan":"14.8.5","versionType":"custom"},{"version":"0","status":"affected","lessThan":"15.7.5","versionType":"custom"},{"version":"0","status":"affected","lessThan":"26.3","versionType":"custom"}]}],"references":[{"url":"https://support.apple.com/en-us/126348"},{"url":"https://support.apple.com/en-us/126795"},{"url":"https://support.apple.com/en-us/126796"}],"problemTypes":[{"descriptions":[{"lang":"en","description":"Processing a maliciously crafted string may lead to heap corruption"}]}],"providerMetadata":{"shortName":"apple","orgId":"286789f9-fbc2-4510-9f9a-43facdede74c","dateUpdated":"2026-04-02T18:20:46.356Z"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":7.5,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","integrityImpact":"NONE","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"NONE","confidentialityImpact":"NONE"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-03-25T19:45:29.801131Z","id":"CVE-2026-20639","options":[{"Exploitation":"none"},{"Automatable":"yes"},{"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":"2026-03-25T19:46:03.898Z"}}]}}}