Buffer overflow in Apple Ios And Ipados
CVE-2025-43343
The issue was addressed with improved memory handling. This issue is fixed in Safari 26, iOS 26 and iPadOS 26, macOS Tahoe 26, tvOS 26, visionOS 26, watchOS 26. Processing maliciously crafted web content may lead to an unexpected process c…
Vulnerability class: Buffer Overflow
EPSS: 0.007 (49.2th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
Affected products
- Apple Ios And Ipados — versions 0
- Apple Ipados
- Apple Iphone_os
- Apple Macos — versions 0
- Apple Safari — versions 0
- Apple Tvos — versions 0
- Apple Visionos — versions 0
- Apple Watchos — versions 0
- Webkitgtk
- Wpewebkit Wpe_webkit
Weakness classification (CWE)
References
- product-security@apple.com (Release Notes, Vendor Advisory)
- product-security@apple.com
- 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 (Mailing List, Third Party Advisory)
- af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)
- af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)
- af854a3a-2127-422b-91ae-364da2661108 (Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2025-43343?
- CVE-2025-43343 is a critical-severity vulnerability in Apple Ios And Ipados, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 9.8/10. Published 2025-09-15.
- How severe is CVE-2025-43343?
- Critical severity. CVSS v3 base score is 9.8 out of 10.