{"id":"CVE-2026-43704","aliases":["EUVD-2026-40198","GHSA-9xg4-m7cw-j39m"],"status":"published","title":"A use-after-free issue was addressed with improved memory management. This issue is fixed in...","description":"A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. A malicious web extension may be able to cause an unexpected process crash.","severity":{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-10","score":0.00389,"percentile":0.3332,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-416"],"published":"2026-06-29T19:42:55Z","modified":"2026-07-27T21:32:12Z","products":[{"vendor":"apple","product":"ios and ipados"},{"vendor":"apple","product":"ipados"},{"vendor":"apple","product":"iphone_os"},{"vendor":"apple","product":"macos"},{"vendor":"apple","product":"safari"},{"vendor":"apple","product":"tvos"},{"vendor":"apple","product":"visionos"},{"vendor":"apple","product":"watchos"}],"references":[{"url":"https://support.apple.com/en-us/127594","tags":["Vendor Advisory"]},{"url":"https://support.apple.com/en-us/127595","tags":["Vendor Advisory"]},{"url":"https://support.apple.com/en-us/127685","tags":["Vendor Advisory"]},{"url":"https://support.apple.com/en-us/128068"},{"url":"https://support.apple.com/en-us/128069"},{"url":"https://support.apple.com/en-us/128070"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-43704"},{"url":"https://github.com/advisories/GHSA-9xg4-m7cw-j39m"}],"sources":{"cve":[{"id":"CVE-2026-43704","description":"A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. A malicious web extension may be able to cause an unexpected process crash.","status":"published","published":"2026-06-29T19:42:55.246Z","modified":"2026-07-27T20:13:10.824Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"adp"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T13:37:25.103021Z"}],"euvd":[{"id":"EUVD-2026-40198","description":"A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. A malicious web extension may be able to cause an unexpected process crash.","status":"published","published":"2026-06-29T19:42:55Z","modified":"2026-07-27T20:13:10Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T18:02:33.886037Z"}],"ghsa":[{"id":"GHSA-9xg4-m7cw-j39m","title":"A use-after-free issue was addressed with improved memory management. This issue is fixed in...","description":"A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2. A malicious web extension may be able to cause an unexpected process crash.","status":"published","published":"2026-06-29T21:32:13Z","modified":"2026-07-27T21:32:12Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T15:09:51.407039Z"}],"nvd":[{"id":"CVE-2026-43704","description":"A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.5.2, iOS 26.5.2 and iPadOS 26.5.2, macOS Tahoe 26.5.2, tvOS 26.6, visionOS 26.6, watchOS 26.6. A malicious web extension may be able to cause an unexpected process crash.","status":"published","published":"2026-06-29T20:17:35.367Z","modified":"2026-07-27T21:16:54.09Z","cvss":[{"version":"3.1","score":5.3,"vector":"CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:12:26.508751Z"}]}}