CVE-2019-8723

HIGH
8.8
CVSS Score
Published: December 18, 2019 at 05:33 PM UTC
Updated: June 17, 2026 at 02:42 AM UTC
1 product affected across 1 vendorXcode

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Severity
HIGH8.8
Exploit prediction
EPSS 2%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 11.0v < Xcode 11.0
Affected range stops below 11.0, so it looks safe — our inference, not a vendor statement
Affected range stops below Xcode 11.0, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

x_refsource_MISCVendor Advisory
https://support.apple.com/HT210609

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-20

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