{"id":"CVE-2026-20639","aliases":["EUVD-2026-15043","GHSA-7gg2-3r7f-v522"],"status":"published","title":"An integer overflow was addressed with improved input validation. This issue is fixed in macOS...","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.","severity":{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00636,"percentile":0.50929,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-190"],"published":"2026-03-25T00:32:30Z","modified":"2026-06-17T10:17:35Z","products":[{"vendor":"apple","product":"macos"}],"references":[{"url":"https://support.apple.com/en-us/126348","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/126795","tags":["Release Notes","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/126796","tags":["Release Notes","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-20639"},{"url":"https://github.com/advisories/GHSA-7gg2-3r7f-v522"}],"sources":{"cve":[{"id":"CVE-2026-20639","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.","status":"published","published":"2026-03-25T00:32:30.351Z","modified":"2026-04-02T18:20:46.356Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T13:35:33.380441Z"}],"euvd":[{"id":"EUVD-2026-15043","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.","status":"published","published":"2026-03-25T00:32:30Z","modified":"2026-04-02T18:20:46Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"updated_at":"2026-11-02T19:25:19.125268Z"}],"ghsa":[{"id":"GHSA-7gg2-3r7f-v522","title":"An integer overflow was addressed with improved input validation. This issue is fixed in macOS...","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.","status":"published","published":"2026-03-25T03:31:29Z","modified":"2026-03-25T21:31:33Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T15:06:51.769732Z"}],"nvd":[{"id":"CVE-2026-20639","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.","status":"published","published":"2026-03-25T01:17:04.443Z","modified":"2026-06-17T10:17:35.397Z","cvss":[{"version":"3.1","score":7.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T14:12:10.568062Z"}]}}