CVE Database · CVE-2021-30860
CVSS v3.1
7.8
EPSS
75.99%
Published
Aug 24, 2021
Modified
Oct 27, 2025
CISA Known Exploited Vulnerability
Added: 2021-11-03 · Due: 2021-11-17
Apply updates per vendor instructions.
Public PoC / Exploit (3)
All weaponized →Links to public security research (Exploit-DB, Nuclei, Trickest, GitHub) for defensive use only.
Description
An integer overflow was addressed with improved input validation. This issue is fixed in Security Update 2021-005 Catalina, iOS 14.8 and iPadOS 14.8, macOS Big Sur 11.6, watchOS 7.6.2. Processing a maliciously crafted PDF may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.
CVSS Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HWeaknesses (CWE)
Affected Products (15)
References (20)