CVE-2021-32821

Name	CVE-2021-32821
Description	MooTools is a collection of JavaScript utilities for JavaScript developers. All known versions include a CSS selector parser that is vulnerable to Regular Expression Denial of Service (ReDoS). An attack requires that an attacker can inject a string into a CSS selector at runtime, which is quite common with e.g. jQuery CSS selectors. No patches are available for this issue.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs	1032664

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
mootools (PTS)	forky, sid, bookworm, bullseye, trixie	1.4.5~debian1-3	vulnerable

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
mootools	source	(unstable)	(unfixed)	unimportant		1032664

Notes

https://securitylab.github.com/advisories/GHSL-2020-345-redos-mootools/
No plan to fix this upstream as upstream consider it too low impact.
Negligible securiy impact