{"id":"CVE-2020-27920","aliases":["EUVD-2020-20413","GHSA-5xw9-2v5v-qc25"],"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 macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, macOS Big Sur 11.0.1, iOS 14.2 and iPadOS 14.2, watchOS 7.1, tvOS 14.2. Processing maliciously crafted web content may lead to code execution.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-11","score":0.01228,"percentile":0.69244,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-416"],"published":"2021-04-02T17:31:23Z","modified":"2026-06-17T03:09:52Z","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/HT211931","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT211928","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT211929","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT211930","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://support.apple.com/en-us/HT212011","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-27920"},{"url":"https://github.com/advisories/GHSA-5xw9-2v5v-qc25"}],"sources":{"cve":[{"id":"CVE-2020-27920","description":"A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, macOS Big Sur 11.0.1, iOS 14.2 and iPadOS 14.2, watchOS 7.1, tvOS 14.2. Processing maliciously crafted web content may lead to code execution.","status":"published","published":"2021-04-02T17:31:23Z","modified":"2024-08-04T16:25:43.909Z","updated_at":"2026-11-02T14:35:53.552996Z"}],"euvd":[{"id":"EUVD-2020-20413","description":"A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, macOS Big Sur 11.0.1, iOS 14.2 and iPadOS 14.2, watchOS 7.1, tvOS 14.2. Processing maliciously crafted web content may lead to code execution.","status":"published","published":"2021-04-02T17:31:23Z","modified":"2024-08-04T16:25:43Z","updated_at":"2026-11-03T03:07:11.320494Z"}],"ghsa":[{"id":"GHSA-5xw9-2v5v-qc25","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 macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, macOS Big Sur 11.0.1, iOS 14.2 and iPadOS 14.2, watchOS 7.1, tvOS 14.2. Processing maliciously crafted web content may lead to code execution.","status":"published","published":"2022-05-24T17:46:09Z","modified":"2023-02-02T05:01:15Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:51:08.679679Z"}],"nvd":[{"id":"CVE-2020-27920","description":"A use after free issue was addressed with improved memory management. This issue is fixed in macOS Big Sur 11.1, Security Update 2020-001 Catalina, Security Update 2020-007 Mojave, macOS Big Sur 11.0.1, iOS 14.2 and iPadOS 14.2, watchOS 7.1, tvOS 14.2. Processing maliciously crafted web content may lead to code execution.","status":"published","published":"2021-04-02T18:15:15.637Z","modified":"2026-06-17T03:09:52.52Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-416"],"updated_at":"2026-11-02T14:06:37.687844Z"}]}}