Buffer overflow in Apple Ios And Ipados
CVE-2026-43661
A buffer overflow issue was addressed with improved memory handling. This issue is fixed in iOS 26.5 and iPadOS 26.5, macOS Tahoe 26.5, tvOS 26.5, watchOS 26.5. Processing a maliciously crafted image may corrupt process memory.
Vulnerability class: Buffer Overflow
EPSS: 0.001 (18.6th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
Affected products
- Apple Ios And Ipados — versions 0
- Apple Ipados
- Apple Iphone_os
- Apple Macos — versions 0
- Apple Tvos — versions 0
- Apple Watchos — versions 0
Weakness classification (CWE)
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)
Frequently asked questions
- What is CVE-2026-43661?
- CVE-2026-43661 is a high-severity vulnerability in Apple Ios And Ipados, classified under Stack-based Buffer Overflow. CVSS score: 7.5/10. Published 2026-05-11.
- How severe is CVE-2026-43661?
- High severity. CVSS v3 base score is 7.5 out of 10.