CVE Database · CVE-2020-9818
CVSS v3.1
8.8
EPSS
2.29%
Published
Jun 9, 2020
Modified
Oct 23, 2025
CISA Known Exploited Vulnerability
Added: 2021-11-03 · Due: 2022-05-03
Apply updates per vendor instructions.
Public PoC / Exploit (1)
All weaponized →Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.
Description
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 13.5 and iPadOS 13.5, iOS 12.4.7, watchOS 6.2.5. Processing a maliciously crafted mail message may lead to unexpected memory modification or application termination.
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HWeaknesses (CWE)
Affected Products (4)
References (7)