{"id":"CVE-2021-30703","aliases":["EUVD-2021-17620","GHSA-cxxw-rfqc-pqx7"],"status":"published","title":"A double free issue was addressed with improved memory management. This issue is fixed in tvOS 14...","description":"A double free issue was addressed with improved memory management. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave, macOS Big Sur 11.4, watchOS 7.5. An application may be able to execute arbitrary code with kernel privileges.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-12","score":0.00332,"percentile":0.26741,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-415"],"published":"2021-09-08T14:26:26Z","modified":"2026-06-17T03:50:43Z","products":[{"vendor":"apple","product":"ios and ipados"},{"vendor":"apple","product":"ipados"},{"vendor":"apple","product":"iphone_os"},{"vendor":"apple","product":"mac_os_x"},{"vendor":"apple","product":"macos"},{"vendor":"apple","product":"tvos"},{"vendor":"apple","product":"watchos"}],"references":[{"url":"https://support.apple.com/en-us/HT212600","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT212603","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT212528","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT212529","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT212532","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT212533","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-30703"},{"url":"https://github.com/advisories/GHSA-cxxw-rfqc-pqx7"}],"sources":{"cve":[{"id":"CVE-2021-30703","description":"A double free issue was addressed with improved memory management. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave, macOS Big Sur 11.4, watchOS 7.5. An application may be able to execute arbitrary code with kernel privileges.","status":"published","published":"2021-09-08T14:26:26Z","modified":"2024-08-03T22:40:31.865Z","updated_at":"2026-11-02T14:33:02.20241Z"}],"euvd":[{"id":"EUVD-2021-17620","description":"A double free issue was addressed with improved memory management. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave, macOS Big Sur 11.4, watchOS 7.5. An application may be able to execute arbitrary code with kernel privileges.","status":"published","published":"2021-09-08T14:26:26Z","modified":"2024-08-03T22:40:31Z","updated_at":"2026-11-03T03:24:41.467382Z"}],"ghsa":[{"id":"GHSA-cxxw-rfqc-pqx7","title":"A double free issue was addressed with improved memory management. This issue is fixed in tvOS 14...","description":"A double free issue was addressed with improved memory management. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave, macOS Big Sur 11.4, watchOS 7.5. An application may be able to execute arbitrary code with kernel privileges.","status":"published","published":"2022-05-24T19:13:24Z","modified":"2023-01-30T05:01:55Z","cwes":["CWE-415"],"updated_at":"2026-11-02T14:46:31.204916Z"}],"nvd":[{"id":"CVE-2021-30703","description":"A double free issue was addressed with improved memory management. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave, macOS Big Sur 11.4, watchOS 7.5. An application may be able to execute arbitrary code with kernel privileges.","status":"published","published":"2021-09-08T15:15:15.447Z","modified":"2026-06-17T03:50:43.657Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-415"],"updated_at":"2026-11-02T14:06:58.05696Z"}]}}