CVE-2019-8723
highpriority · track · 36EPSS 0.019 · 79 %ileEUUSEPSS · scored 2026-10-27
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.
cvss
Technical severity, 0–10. One row per scoring source.
base score 0–10 · higher = more severe · hover a vector to decode
weaknesses
The CWE weakness classes this flaw belongs to.
affected products (2)
Products and version ranges known to be affected.
also known as (3)
Other names and identifiers for this entity.
sources
Which sources assert this record, and when.
references (8)
External citations — patches, advisories, analysis.
- https://nvd.nist.gov/vuln/detail/CVE-2019-8723cnnvd
- https://support.apple.com/HT210609cnnvd
- https://support.apple.com/en-au/HT210609cnnvd
- https://support.apple.com/en-us/HT210609cnnvd
- https://support.apple.com/zh-cn/HT210609Patchcnnvd
- https://www.auscert.org.au/bulletins/ESB-2019.3647/cnnvd
- https://support.apple.com/HT210609enisa_euvd
- https://support.apple.com/HT210609Vendor Advisorynvd
Attackers weaponise vulnerabilities like this against internet-exposed services. See what is exposed on your perimeter with a free passive scan.
Free scan