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 Metrics
- Vector
- CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- Attack Vector
- local
- Complexity
- low
- Privileges
- none
- User Action
- required
- Scope
- unchanged
- Confidentiality
- high
- Integrity
- high
- Availability
- high
- Weaknesses
- CWE-190CWE-190
Metadata
- Primary Vendor
- APPLE
- Published
- 8/24/2021
- Last Modified
- 10/27/2025
- Source
- NIST NVD
- Note: Verify all details with official vendor sources before applying patches.
Affected Products
apple : ipadosapple : iphone_osapple : iphone_osapple : mac_os_xapple : mac_os_xapple : mac_os_xapple : mac_os_xapple : mac_os_xapple : mac_os_xapple : mac_os_xapple : mac_os_xapple : macosapple : watchosxpdfreader : xpdffreedesktop : poppler
AI-Powered Remediation
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