🛡️ ALPINE-CVE-2021-43818
⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

lxml is a library for processing XML and HTML in the Python language. Prior to version 4.6.5, the HTML Cleaner in lxml.html lets certain crafted script content pass through, as well as script content in SVG files embedded using data URIs. Users that employ the HTML cleaner in a security relevant context should upgrade to lxml 4.6.5 to receive a patch. There are no known workarounds available.

Details

Severity Unknown
CVSS Score N/A
CVSS Vector CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:L
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2021-12-13
Updated 2026-06-10
Modified 2026-06-09
Fix URL N/A

Affected Packages

Software From version Fixed in
py3-lxml 4.6.5-r0

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