Buffer overflow in Apple iOS And Ipados
CVE-2025-43186
The issue was addressed with improved memory handling. This issue is fixed in iOS 18.6 and iPadOS 18.6, macOS Sequoia 15.6, macOS Sonoma 14.7.7, macOS Ventura 13.7.7, tvOS 18.6, visionOS 2.6, watchOS 11.6. Parsing a file may lead to an unexpected app termination.
Vulnerability class: Buffer Overflow
Published · last modified .
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.
EPSS exploit prediction
EPSS: 0.011 (65.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 65th percentile — 65.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.011 · newest: 0.011 · change: +0.000
Affected products
- Apple iOS And Ipados — versions 0
- Apple Ipados
- Apple Iphone OS
- Apple macOS — versions 0
- Apple tvOS — versions 0
- Apple Visionos — versions 0
- Apple watchOS — versions 0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- support.apple.com/en-us/124147 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/124149 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/124150 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/124151 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/124153 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/124154 (Release Notes, Vendor Advisory)
- support.apple.com/en-us/124155 (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-2025-43186?
- CVE-2025-43186 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 2025-07-30.
- How severe is CVE-2025-43186?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2025-43186 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.