Debian 11 — xcal — 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-2008-4988 Upstream summary: pscal in xcal 4.1 allows local users to overwrite arbitrary files via a symlink attack on a /tmp/pscal##### temporary file. Table of contents Symptom & […]