lxml vulnerabilities

Browse known CVEs and advisories by package and ecosystem. Severity tells you the worst case. What determines real risk is whether the vulnerable code actually runs in your applications.

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CVE-IDSeverityPackage summary

CVE-2026-41066Highlxml: lxml: Default configuration of iterparse() and ETCompatXMLParser() allows XXE to local files CVE-2022-2309Mediumlxml: lxml NULL Pointer Dereference allows attackers to cause a denial of service CVE-2014-3146Mediumlxml: lxml Cross-site Scripting Via Control Characters CVE-2018-19787Mediumlxml: Improper Neutralization of Input During Web Page Generation in LXML CVE-2021-43818Mediumlxml: lxml's HTML Cleaner allows crafted and SVG embedded scripts to pass through CVE-2021-28957Mediumlxml: lxml vulnerable to Cross-Site Scripting CVE-2020-27783Mediumlxml: lxml vulnerable to Cross-site Scripting

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