Out-of-bounds Read in Apple iOS And Ipados
CVE-2026-43738
The issue was addressed with improved memory handling. This issue is fixed in iOS 18.7.10 and iPadOS 18.7.10, macOS Sequoia 15.7.8, macOS Sonoma 14.8.8. Processing a maliciously crafted asset catalog may result in disclosure of process memory.
Vulnerability class: Buffer Overflow
EPSS: 0.002 (9.5th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N.
Affected products
- Apple Ios And Ipados — versions 0
- Apple Macos — 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
Frequently asked questions
- What is CVE-2026-43738?
- CVE-2026-43738 is a medium-severity vulnerability in Apple iOS And Ipados, classified under Out-of-bounds Read. CVSS score: 5.5/10. Published 2026-07-27.
- How severe is CVE-2026-43738?
- Medium severity. CVSS v3 base score is 5.5 out of 10.