CVE-2019-8820
Multiple memory corruption issues were addressed with improved memory handling.
Does this matter?
A public exploit is published in Exploit-DB (verified) and the impact is high, while EPSS rates exploitation at 9.5%. Anyone can run this; patch or mitigate before the next change window and check exposed instances for signs of use.
Description
Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 13.2 and iPadOS 13.2, tvOS 13.2, watchOS 6.1, Safari 13.0.3, iTunes for Windows 12.10.2, iCloud for Windows 11.0, iCloud for Windows 7.15. Processing maliciously crafted web content may lead to arbitrary code execution.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 9.54% probability · 95th percentile
- Public exploits
- 1 in Exploit-DB · verified · first 5 November 2019
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- apple/icloud · apple/itunes · apple/safari · apple/ipados · apple/iphone os · apple/tvos · apple/watchos
- Source
- product-security@apple.com
EPSS 9.5% since 26 October 2026; no change recorded yet. The dashed line is the ten per cent mark our analysts treat as “patch before the next change window”. Points are recorded when the score first appears and whenever it moves by a percentage point or more.
Public exploits (1)
Entries in Exploit-DB that cite this CVE. Links go to the Exploit-DB page and to the file in the public repository; nothing is hosted here. A verified tick means the Exploit-DB team confirmed the exploit works against the stated version.
References
- https://security.gentoo.org/glsa/202003-22Third Party Advisory
- https://support.apple.com/HT210721Vendor Advisory
- https://support.apple.com/HT210723Vendor Advisory
- https://support.apple.com/HT210724Vendor Advisory
- https://support.apple.com/HT210725Vendor Advisory
- https://support.apple.com/HT210726Vendor Advisory
- https://support.apple.com/HT210727Vendor Advisory
- https://support.apple.com/HT210728Vendor Advisory
- https://security.gentoo.org/glsa/202003-22Third Party Advisory
- https://support.apple.com/HT210721Vendor Advisory
- https://support.apple.com/HT210723Vendor Advisory
- https://support.apple.com/HT210724Vendor Advisory
- https://support.apple.com/HT210725Vendor Advisory
- https://support.apple.com/HT210726Vendor Advisory
- https://support.apple.com/HT210727Vendor Advisory
- https://support.apple.com/HT210728Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA, exploits from Exploit-DB. Refreshed daily. Download this record as JSON.