CVE-2025-43300
Apple iOS, iPadOS, and macOS Out-of-Bounds Write Vulnerability
- Published
- Aug 21, 2025
- Updated
- Apr 2, 2026
- Assigning CNA
- apple
- Evidence observed
- Aug 21, 2025
Primary CVSS
nvd · CVSS 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:HModerate · next 30 days
- Percentile
- 97.6%
- Model date
- Sep 21, 2026
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
CISA Known Exploited
This CVE appears in the CISA Known Exploited Vulnerabilities catalog.
Summary
An out-of-bounds write issue was addressed with improved bounds checking. This issue is fixed in iOS 15.8.5 and iPadOS 15.8.5, iOS 16.7.12 and iPadOS 16.7.12, iOS 18.6.2 and iPadOS 18.6.2, iPadOS 17.7.10, macOS Sequoia 15.6.1, macOS Sonoma 14.7.8, macOS Ventura 13.7.8. Processing a malicious image file may result in memory corruption. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals.
Sources
9- PoCPoC
Curated proof-of-concept exploits for real-world CVEs affecting iOS, macOS, Chrome Renderer, and Steam clients, with version-specific targets and technical write-up references.
This is POC for IOS 0click CVE-2025-43300
CVE-2025-43300: iOS/macOS DNG Image Processing Memory Corruption
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