Debian 11 — feedparser — multiple vulnerabilities (5 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2009-5065 CVE-2011-1156 CVE-2011-1157 CVE-2011-1158 CVE-2012-2921 Upstream summary: Cross-site scripting (XSS) vulnerability in feedparser.py in Universal Feed Parser (aka feedparser or python-feedparser) before 5.0 allows remote attackers to inject […]