Fluid Attacks Database

Description

REXML is an XML toolkit for Ruby. The REXML gem before 3.3.9 has a ReDoS vulnerability when it parses an XML that has many digits between &# and x...; in a hex numeric character reference (&#x...;). This does not happen with Ruby 3.2 or later. Ruby 3.1 is the only affected maintained Ruby. The REXML gem 3.3.9 or later include the patch to fix the vulnerability.

Mitigation

Update Impact

Minimal update. May introduce new vulnerabilities or breaking changes.

Ecosystem	Package	Affected version	Patched versions
debian 14	ruby3.3	>=0 <3.3.6-1	3.3.6-1
alpine v3.19	ruby-rexml	=3.2.5-r0 \|\| =3.2.5-r1 \|\| =3.2.5-r2 \|\| =3.2.5-r3 \|\| =3.2.6-r0 \|\| >=0 <3.3.9-r0	3.3.9-r0
alpine v3.20	ruby-rexml	=3.2.5-r0 \|\| =3.2.5-r1 \|\| =3.2.5-r2 \|\| =3.2.5-r3 \|\| =3.2.6-r0 \|\| =3.2.6-r1 \|\| =3.2.9-r0 \|\| >=0 <3.3.9-r0	3.3.9-r0
alpine v3.21	ruby-rexml	=3.2.5-r0 \|\| =3.2.5-r1 \|\| =3.2.5-r2 \|\| =3.2.5-r3 \|\| =3.2.6-r0 \|\| =3.2.6-r1 \|\| =3.2.9-r0 \|\| >=0 <3.3.9-r0	3.3.9-r0
alpine v3.22	ruby-rexml	=3.2.5-r0 \|\| =3.2.5-r1 \|\| =3.2.5-r2 \|\| =3.2.5-r3 \|\| =3.2.6-r0 \|\| =3.2.6-r1 \|\| =3.2.9-r0 \|\| >=0 <3.3.9-r0	3.3.9-r0
debian 11	ruby2.7	=2.7.4-1 \|\| =2.7.4-1+deb11u1 \|\| =2.7.4-1+deb11u2 \|\| >=0 <2.7.4-1+deb11u3	2.7.4-1+deb11u3
debian 12	ruby3.1	=3.1.2-7 \|\| =3.1.2-7+deb12u1 \|\| =3.1.2-7+hurd.1 \|\| =3.1.2-8 \|\| =3.1.2-8.1~exp1 \|\| =3.1.2-8.3 \|\| =3.1.2-8.4 \|\| =3.1.2-8.5	-
debian 13	ruby3.3	>=0 <3.3.6-1	3.3.6-1
rubygems	rexml	>=0 <3.3.9	3.3.9
rpm rhel9.2	ruby	<0:3.0.4-161.el9_2.2	0:3.0.4-161.el9_2.2

1-10 of 19

Aliases

1. CVE-2024-497612. NVD-2024-497613. OSV-DEBIAN-2024-497614. OSV-2024-497615. OSV-ALPINE-2024-497616. GHSA-2rxp-v6pw-ch6m7. GCVE-2024-497618. SECURITY-TRACKER-CVE-2024-497619. SECURITY-CVE-2024-4976110. lists.debian.org

References

1. https://github.com/ruby/rexml/security/advisories/GHSA-2rxp-v6pw-ch6m2. https://github.com/ruby/rexml/commit/ce59f2eb1aeb371fe1643414f06618dbe031979f3. https://github.com/rubysec/ruby-advisory-db/blob/master/gems/rexml/CVE-2024-49761.yml4. https://security.netapp.com/advisory/ntap-20241227-00045. https://www.ruby-lang.org/en/news/2024/10/28/redos-rexml-cve-2024-49761

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