Vulnerability Description
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.6.2, tvOS 15.2, macOS Monterey 12.1, Security Update 2021-008 Catalina, iOS 15.2 and iPadOS 15.2, watchOS 8.3. Processing a maliciously crafted image may lead to arbitrary code execution.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apple | Ipados | < 15.2 |
| Apple | Iphone Os | < 15.2 |
| Apple | Mac Os X | >= 10.15, < 10.15.7 |
| Apple | Macos | >= 11.0, < 11.6.2 |
| Apple | Tvos | < 15.2 |
| Apple | Watchos | < 8.3 |
Related Weaknesses (CWE)
References
- https://support.apple.com/en-us/HT212975
- https://support.apple.com/en-us/HT212976
- https://support.apple.com/en-us/HT212978
- https://support.apple.com/en-us/HT212979
- https://support.apple.com/en-us/HT212980
- https://support.apple.com/en-us/HT212981
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2021-1414
- https://www.zerodayinitiative.com/advisories/ZDI-22-359/
- https://support.apple.com/en-us/HT212975
- https://support.apple.com/en-us/HT212976
- https://support.apple.com/en-us/HT212978
- https://support.apple.com/en-us/HT212979
- https://support.apple.com/en-us/HT212980
- https://support.apple.com/en-us/HT212981
- https://www.talosintelligence.com/vulnerability_reports/TALOS-2021-1414
FAQ
What is CVE-2021-30939?
CVE-2021-30939 is a vulnerability with a CVSS score of 7.8 (HIGH). An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in macOS Big Sur 11.6.2, tvOS 15.2, macOS Monterey 12.1, Security Update 2021-008 Catalina, iOS 15.2 and iPadOS 1...
How severe is CVE-2021-30939?
CVE-2021-30939 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-30939?
Check the references section above for vendor advisories and patch information. Affected products include: Apple Ipados, Apple Iphone Os, Apple Mac Os X, Apple Macos, Apple Tvos.