https://blog.kalfaoglu.net/tags/patching/Recent content in Patching on kalfaoglu.netHugoenSun, 18 Oct 2026 00:00:00 +0000https://blog.kalfaoglu.net/posts/2026-10-18-mariadb-dovecot-security-patches/Sun, 18 Oct 2026 00:00:00 +0000https://blog.kalfaoglu.net/posts/2026-10-18-mariadb-dovecot-security-patches/<p>If you run MariaDB or Dovecot — and if you host anything resembling a mail server backed by a database, you almost certainly do — there are security advisories from the past few weeks that should already be applied. If they are not, this is your reminder.</p> <h2 id="mariadb-four-cves-one-with-potential-remote-code-execution">MariaDB: Four CVEs, One with Potential Remote Code Execution</h2> <p>On September 7, 2026, MariaDB published advisories covering four CVEs affecting every major supported branch. None are rated Critical, but three score in the 8.0–8.5 High range, which is close enough to warrant attention.</p>