CVE-2024-39908

Name	CVE-2024-39908
Description	REXML is an XML toolkit for Ruby. The REXML gem before 3.3.1 has some DoS vulnerabilities when it parses an XML that has many specific characters such as `<`, `0` and `%>`. If you need to parse untrusted XMLs, you many be impacted to these vulnerabilities. The REXML gem 3.3.2 or later include the patches to fix these vulnerabilities. Users are advised to upgrade. Users unable to upgrade should avoid parsing untrusted XML strings.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs	1076766, 1076767, 1076768

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
ruby2.7 (PTS)	bullseye	2.7.4-1+deb11u1	vulnerable
	bullseye (security)	2.7.4-1+deb11u2	vulnerable
ruby3.1 (PTS)	bookworm, bookworm (security)	3.1.2-7+deb12u1	vulnerable
	sid, trixie	3.1.2-8.4	vulnerable
ruby3.2 (PTS)	sid	3.2.3-1	vulnerable
ruby3.3 (PTS)	sid, trixie	3.3.5-2	fixed

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

Package	Type	Release	Fixed Version	Debian Bugs
ruby2.7	source	(unstable)	(unfixed)
ruby3.1	source	(unstable)	(unfixed)	1076768
ruby3.2	source	(unstable)	(unfixed)	1076767
ruby3.3	source	(unstable)	3.3.5-1	1076766

Notes

[bookworm] - ruby3.1 <no-dsa> (Minor issue)
[bullseye] - ruby2.7 <postponed> (Minor issue, DoS)
https://www.ruby-lang.org/en/news/2024/07/16/dos-rexml-cve-2024-39908/