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CVE-2025-43300NVD
Vulnerability 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.
CVSS v3.1 Base Metrics — Score 10.0 (CRITICAL)
Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeChanged
ConfidentialityHigh
IntegrityHigh
AvailabilityHigh
Affected & Patched Versions
- Apple Ipados < 15.8.5
- Apple Ipados >= 16.0 and < 16.7.12
- Apple Ipados >= 17.0 and < 17.7.10
- Apple Ipados >= 18.0 and < 18.6.2
- Apple Iphone Os < 15.8.5
- Apple Iphone Os >= 16.0 and < 16.7.12
- Apple Iphone Os >= 17.0 and < 18.6.2
- Apple Macos >= 13.0 and < 13.7.8
- Apple Macos >= 14.0 and < 14.7.8
- Apple Macos >= 15.0 and < 15.6.1
- Apple Ipados 15.8.5
- Apple Ipados 16.7.12
- Apple Ipados 17.7.10
- Apple Ipados 18.6.2
- Apple Iphone Os 15.8.5
- Apple Iphone Os 16.7.12
- Apple Iphone Os 18.6.2
- Apple Macos 13.7.8
- Apple Macos 14.7.8
- Apple Macos 15.6.1
External References
- https://support.apple.com/en-us/124925
- https://support.apple.com/en-us/124926
- https://support.apple.com/en-us/124927
- https://support.apple.com/en-us/124928
- https://support.apple.com/en-us/124929
- https://support.apple.com/en-us/125141
- https://support.apple.com/en-us/125142
- http://seclists.org/fulldisclosure/2025/Sep/10
- http://seclists.org/fulldisclosure/2025/Sep/14
- http://seclists.org/fulldisclosure/2025/Sep/52
- https://github.com/b1n4r1b01/n-days/blob/main/CVE-2025-43300.md
- https://github.com/cisagov/vulnrichment/issues/201
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-43300