lxml@4.5.2 vulnerabilities

Powerful and Pythonic XML processing library combining libxml2/libxslt with the ElementTree API.

Known vulnerabilities in the lxml package. This does not include vulnerabilities belonging to this package’s dependencies.

Automatically find and fix vulnerabilities affecting your projects. Snyk scans for vulnerabilities and provides fixes for free.

Vulnerability	Vulnerable Version
M NULL Pointer Dereference Affected versions of this package are vulnerable to NULL Pointer Dereference in the `iterwalk()` function (used by `canonicalize`) that can be triggered by malicious input. NOTE: This only applies when lxml is used together with libxml2 2.9.10 through 2.9.14. How to fix NULL Pointer Dereference? Upgrade `lxml` to version 4.9.1 or higher.	[,4.9.1)
H Cross-site Scripting (XSS) Affected versions of this package are vulnerable to Cross-site Scripting (XSS). 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. How to fix Cross-site Scripting (XSS)? Upgrade `lxml` to version 4.6.5 or higher.	[,4.6.5)
M Cross-site Scripting (XSS) Affected versions of this package are vulnerable to Cross-site Scripting (XSS) via `formaction` attribute in HTML5. How to fix Cross-site Scripting (XSS)? Upgrade `lxml` to version 4.6.3 or higher.	[0,4.6.3)
H Cross-site Scripting (XSS) Affected versions of this package are vulnerable to Cross-site Scripting (XSS). The HTML Cleaner allowed JavaScript to pass through. The cleaner now removes more sneaky "style" content. How to fix Cross-site Scripting (XSS)? Upgrade `lxml` to version 4.6.2 or higher.	[,4.6.2)