{"id":"CVE-2020-9844","aliases":["EUVD-2020-30623","GHSA-7hrr-4j8q-6rvg"],"status":"published","title":"A double free issue was addressed with improved memory management. This issue is fixed in iOS 13...","description":"A double free issue was addressed with improved memory management. This issue is fixed in iOS 13.5 and iPadOS 13.5, macOS Catalina 10.15.5. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.","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":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.01816,"percentile":0.7884,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-415"],"published":"2020-06-09T16:16:50Z","modified":"2026-06-17T03:28:40Z","products":[{"vendor":"apple","product":"ios"},{"vendor":"apple","product":"ipados"},{"vendor":"apple","product":"iphone_os"},{"vendor":"apple","product":"mac_os_x"},{"vendor":"apple","product":"macos"},{"vendor":"cisco","product":"ios"}],"references":[{"url":"https://support.apple.com/HT211168","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://support.apple.com/HT211170","tags":["x_refsource_MISC","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-9844"},{"url":"http://packetstormsecurity.com/files/158225/iOS-macOS-Wifi-Proximity-Kernel-Double-Free.html"},{"url":"https://github.com/advisories/GHSA-7hrr-4j8q-6rvg"}],"sources":{"cve":[{"id":"CVE-2020-9844","description":"A double free issue was addressed with improved memory management. This issue is fixed in iOS 13.5 and iPadOS 13.5, macOS Catalina 10.15.5. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.","status":"published","published":"2020-06-09T16:16:50Z","modified":"2024-08-04T10:43:05.284Z","updated_at":"2026-11-02T14:35:49.209579Z"}],"euvd":[{"id":"EUVD-2020-30623","description":"A double free issue was addressed with improved memory management. This issue is fixed in iOS 13.5 and iPadOS 13.5, macOS Catalina 10.15.5. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.","status":"published","published":"2020-06-09T16:16:50Z","modified":"2024-08-04T10:43:05Z","updated_at":"2026-11-03T03:07:52.605769Z"}],"ghsa":[{"id":"GHSA-7hrr-4j8q-6rvg","title":"A double free issue was addressed with improved memory management. This issue is fixed in iOS 13...","description":"A double free issue was addressed with improved memory management. This issue is fixed in iOS 13.5 and iPadOS 13.5, macOS Catalina 10.15.5. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.","status":"published","published":"2022-05-24T17:19:45Z","modified":"2023-01-29T05:02:43Z","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-415"],"updated_at":"2026-11-02T14:45:09.48744Z"}],"nvd":[{"id":"CVE-2020-9844","description":"A double free issue was addressed with improved memory management. This issue is fixed in iOS 13.5 and iPadOS 13.5, macOS Catalina 10.15.5. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.","status":"published","published":"2020-06-09T17:15:14.94Z","modified":"2026-06-17T03:28:40.28Z","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":"primary"},{"version":"2.0","score":7.8,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-415"],"updated_at":"2026-11-02T14:06:05.962132Z"}]}}