What’s Vulnerable › Vulnerabilities

CVE-2018-4259

• Severity: critical (CVSS 9.8 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-04-03 · updated 2026-06-17
• Weakness: CWE-119

Description

Multiple memory corruption issues were addressed with improved memory handling. This issue affected versions prior to macOS High Sierra 10.13.6.

Affected products

• macOS: before 10.13.6 — fixed in 10.13.6

How to fix

Upgrade to a fixed version: macOS 10.13.6. Check the vendor advisory for mitigations.

References

• http://packetstormsecurity.com/files/172831/macOS-NFS-Client-Buffer-Overflow.html
• https://support.apple.com/kb/HT208937
• https://support.apple.com/kb/HT209193
• http://packetstormsecurity.com/files/172831/macOS-NFS-Client-Buffer-Overflow.html
• https://support.apple.com/kb/HT208937
• https://support.apple.com/kb/HT209193

Get alerted when CVE-2018-4259 or the next vulnerability affects your stack