CVE-2022-23514

Name	CVE-2022-23514
Description	Loofah is a general library for manipulating and transforming HTML/XML documents and fragments, built on top of Nokogiri. Loofah < 2.19.1 contains an inefficient regular expression that is susceptible to excessive backtracking when attempting to sanitize certain SVG attributes. This may lead to a denial of service through CPU resource consumption. This issue is patched in version 2.19.1.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DLA-3565-1
Debian Bugs	1026083

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
ruby-loofah (PTS)	buster	2.2.3-1+deb10u1	vulnerable
	buster (security)	2.2.3-1+deb10u2	fixed
	bullseye	2.7.0+dfsg-1	vulnerable
	bookworm	2.19.1-1	fixed
	sid, trixie	2.21.3-1	fixed

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

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
ruby-loofah	source	buster	2.2.3-1+deb10u2		DLA-3565-1
ruby-loofah	source	(unstable)	2.19.1-1			1026083

Notes

[bullseye] - ruby-loofah <no-dsa> (Minor issue)
https://github.com/flavorjones/loofah/security/advisories/GHSA-486f-hjj9-9vhh
https://github.com/flavorjones/loofah/commit/a6e0a1ab90675a17b1b2be189129d94139e4b143