Debian 12 — lxml — multiple vulnerabilities (7 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Debian 12 (bookworm) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2014-3146 CVE-2018-19787 CVE-2020-27783 CVE-2021-28957 CVE-2021-43818 CVE-2022-2309 CVE-2026-41066 Upstream summary: Incomplete blacklist vulnerability in the lxml.html.clean module in lxml before 3.3.5 allows remote attackers to conduct cross-site scripting (XSS) […]