What’s Vulnerable › Vulnerabilities

CVE-2018-4181

• Severity: medium (CVSS 5.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.5% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2019-01-11 · updated 2026-06-17

Description

In macOS High Sierra before 10.13.5, an issue existed in CUPS. This issue was addressed with improved access restrictions.

Affected products

• macOS: before 10.13.5 — fixed in 10.13.5
• Canonical Ubuntu Linux: 14.04, 16.04, 17.10, 18.04
• Debian Linux: 8.0, 9.0

How to fix

Upgrade to a fixed version: macOS 10.13.5. Check the vendor advisory for mitigations.

References

• https://lists.debian.org/debian-lts-announce/2018/07/msg00014.html
• https://security.gentoo.org/glsa/201908-08
• https://support.apple.com/HT208849
• https://usn.ubuntu.com/3713-1/
• https://www.debian.org/security/2018/dsa-4243
• https://lists.debian.org/debian-lts-announce/2018/07/msg00014.html
• https://security.gentoo.org/glsa/201908-08
• https://support.apple.com/HT208849
• https://usn.ubuntu.com/3713-1/
• https://www.debian.org/security/2018/dsa-4243

Get alerted when CVE-2018-4181 or the next vulnerability affects your stack