Resource exhaustion in Apple iOS And Ipados
CVE-2025-43211
The issue was addressed with improved memory handling. This issue is fixed in Safari 18.6, iOS 18.6 and iPadOS 18.6, iPadOS 17.7.9, macOS Sequoia 15.6, tvOS 18.6, visionOS 2.6, watchOS 11.6. Processing web content may lead to a denial-of-service.
EPSS: 0.004 (30.1th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 6.2 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Apple Ios And Ipados — versions 0
- Apple Ipados — versions 0
- Apple Iphone_os
- Apple Macos — versions 0
- Apple Safari — versions 0
- Apple Tvos — versions 0
- Apple Visionos — versions 0
- Apple Watchos — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- product-security@apple.com (Release Notes, Vendor Advisory)
- product-security@apple.com (Release Notes, Vendor Advisory)
- product-security@apple.com (Release Notes, Vendor Advisory)
- product-security@apple.com (Release Notes, Vendor Advisory)
- product-security@apple.com (Release Notes, Vendor Advisory)
- product-security@apple.com (Release Notes, Vendor Advisory)
- product-security@apple.com (Release Notes, Vendor Advisory)
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
- af854a3a-2127-422b-91ae-364da2661108
Frequently asked questions
- What is CVE-2025-43211?
- CVE-2025-43211 is a medium-severity vulnerability in Apple iOS And Ipados, classified under Allocation of Resources Without Limits or Throttling. CVSS score: 6.2/10. Published 2025-07-30.
- How severe is CVE-2025-43211?
- Medium severity. CVSS v3 base score is 6.2 out of 10.
- Is CVE-2025-43211 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.