Vulnerability Description
An out-of-bounds write was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.2.1, macOS Catalina 10.15.7 Supplemental Update, macOS Mojave 10.14.6 Security Update 2021-002. An application may be able to execute arbitrary code with kernel privileges.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Apple | Mac Os X | >= 10.14, < 10.14.6 |
| Apple | Macos | >= 11.0, < 11.2 |
Related Weaknesses (CWE)
References
- http://seclists.org/fulldisclosure/2021/Apr/54Mailing ListThird Party Advisory
- https://support.apple.com/en-us/HT212177Vendor Advisory
- https://support.apple.com/kb/HT212327Vendor Advisory
- http://seclists.org/fulldisclosure/2021/Apr/54Mailing ListThird Party Advisory
- https://support.apple.com/en-us/HT212177Vendor Advisory
- https://support.apple.com/kb/HT212327Vendor Advisory
FAQ
What is CVE-2021-1805?
CVE-2021-1805 is a vulnerability with a CVSS score of 7.8 (HIGH). An out-of-bounds write was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.2.1, macOS Catalina 10.15.7 Supplemental Update, macOS Mojave 10.14.6 Security Update 2021-...
How severe is CVE-2021-1805?
CVE-2021-1805 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-2021-1805?
Check the references section above for vendor advisories and patch information. Affected products include: Apple Mac Os X, Apple Macos.