EasyApache 4 Maintenance and Security Release

cPanel, L.L.C. has released a security update for EasyApache 4!  Take a look at some highlights below, and then join us on the cPanel Community ForumsDiscord, or Reddit to talk about this update and much more. If you have additional questions, feel free to reach out on one of our social channels.

  • scl-sourceguardian
    • EA-11314: Update scl-sourceguardian from v14.0.1 to v14.0.2
  • libcurl
    • EA-11303: Update libcurl from v7.88.1 to v8.0.1
      • CVE-2023-27538: SSH connection too eager reuse still
        CVE-2023-27537: HSTS double-free
        CVE-2023-27536: GSS delegation too eager connection re-use
        CVE-2023-27535: FTP too eager connection reuse
        CVE-2023-27534: SFTP path ~ resolving discrepancy
  • ea-nginx
    • EA-11298: Do not log microseconds to bytes log
  • ea-apache2-config
    • EA-11222: Remove ancient MSIE SSL keepalive hack


cPanel, L.L.C. has updated packages for EasyApache 4 with libcurl version 8.0.1. This release addresses vulnerabilities related to CVE-2023-27538, CVE-2023-27537, CVE-2023-27536, CVE-2023-27533, and CVE-2023-27534. We strongly encourage all libcurl users to upgrade to version 8.0.1.

All versions of libcurl through 8.0.0.

The National Vulnerability Database (NIST) has given the following severity ratings to these CVEs:

CVE-2023-27538 – MEDIUM
libcurl 8.0.1
Fixed vulnerability related to CVE-2023-27538.

CVE-2023-27537 – MEDIUM
libcurl 8.0.1
Fixed vulnerability related to CVE-2023-27537.

CVE-2023-27536 – MEDIUM
libcurl 8.0.1
Fixed vulnerability related to CVE-2023-27536.

CVE-2023-27535 – MEDIUM
libcurl 8.0.1
Fixed vulnerability related to CVE-2023-27535.

CVE-2023-27534 – MEDIUM
libcurl 8.0.1
Fixed vulnerability related to CVE-2023-27534.

cPanel, L.L.C. has released updated packages for EasyApache 4 on March 29, 2023, with libcurl version 8.0.1. Unless you have enabled automatic package updates in your cron, update your system with either your package manager or WHM’s Run System Update interface.


Information about all releases this year can be found in the 2023 EasyApache 4 Changelog and the EasyApache 4 Release Notes. You can also sign up for our EasyApache Development and EasyApache Production mailing lists to see when updates are pushed for our RPMs, letting you know ahead of time what will be updated in each EasyApache release.