Debian 11 — prayer — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2018-18655 Upstream summary: Prayer through 1.3.5 sends a Referer header, containing a user's username, when a user clicks on a link in their email because header.t lacks a […]