HIGH · 8.8

CVE-2021-30799

Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave....

Vulnerability Description

Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave. Processing maliciously crafted web content may lead to arbitrary code execution.

CVSS Score

8.8

HIGH

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
AppleIphone Os< 14.7
AppleMac Os X>= 10.14, <= 10.14.6
AppleMacos>= 11.0, < 11.5

Related Weaknesses (CWE)

References

FAQ

What is CVE-2021-30799?

CVE-2021-30799 is a vulnerability with a CVSS score of 8.8 (HIGH). Multiple memory corruption issues were addressed with improved memory handling. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave....

How severe is CVE-2021-30799?

CVE-2021-30799 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2021-30799?

Check the references section above for vendor advisories and patch information. Affected products include: Apple Iphone Os, Apple Mac Os X, Apple Macos.