CVE-2019-8723: Input Validation
ld64. Multiple issues in ld64 in the Xcode toolchains were addressed by updating to version ld64-507.4.
Other sources
Multiple issues in ld64 in the Xcode toolchains were addressed by updating to version ld64-507.4. This issue is fixed in Xcode 11.0. Compiling code without proper input validation could lead to arbitrary code execution with user privilege.
Credit
Affected Software
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
What is the severity of CVE-2019-8723?
The severity of CVE-2019-8723 is critical.
How do I fix CVE-2019-8723?
To fix CVE-2019-8723, update Xcode to version 11.0 or higher.
What is ld64?
ld64 is a linker used in the Xcode toolchains.
What are the potential consequences of CVE-2019-8723?
The potential consequences of CVE-2019-8723 include arbitrary code execution with user privilege.
Where can I find more information about CVE-2019-8723?
You can find more information about CVE-2019-8723 on the Apple support page: [link](https://support.apple.com/HT210609).