Rexml vulnerabilitiesRanked by how likely they are to be used.
Rexml is made by Ruby-Lang. We track 8 published vulnerabilities in it, across 29 versions. None of them is on the list of flaws known to be exploited today. If you run Rexml, keep it on a version the vendor still supports.
We keep watching the known-exploited list.
Which Rexml vulnerabilities are being exploited?
This is the list that matters most: flaws criminals are using now.
None of Rexml's published vulnerabilities is on the list of flaws known to be exploited today. We keep watching that list.
Which Rexml flaws are most likely to be used?
Ranked by the latest exploit-likelihood forecast: the chance each flaw is used in an attack in the next 30 days. A high severity score on its own doesn't tell you that. Flaws shared by many other makers' products are left out.
- 5.1%CVE-2021-28965High
The REXML gem before 3.2.5 in Ruby before 2.6.7, 2.7.x before 2.7.3, and 3.x before 3.0.1 does not properly address XML round-trip issues.
- 2.1%CVE-2024-35176Medium
REXML is an XML toolkit for Ruby. The REXML gem before 3.2.6 has a denial of service vulnerability when it parses an XML that has many `<`s in an attribute value.
- 1.5%CVE-2024-39908Medium
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 `%>`.
- 1.4%CVE-2024-49761Medium
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...;).
- 1.3%CVE-2024-41123Medium
REXML is an XML toolkit for Ruby. The REXML gem before 3.3.2 has some DoS vulnerabilities when it parses an XML that has many specific characters such as whitespace character, `>]` and `]>`.
- 1.2%CVE-2024-43398Medium
REXML is an XML toolkit for Ruby. The REXML gem before 3.3.6 has a DoS vulnerability when it parses an XML that has many deep elements that have same local name attributes.
- 1.2%CVE-2024-41946Medium
REXML is an XML toolkit for Ruby. The REXML gem 3.3.2 has a DoS vulnerability when it parses an XML that has many entity expansions with SAX2 or pull parser API.
- 0.2%CVE-2025-58767Medium
REXML is an XML toolkit for Ruby. The REXML gems from 3.3.3 to 3.4.1 has a DoS vulnerability when parsing XML containing multiple XML declarations.
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1 new flaw affects software Acme tracks
The REXML gem before 3.2.5 in Ruby before 2.6.7, 2.7.x before 2.7.3, and 3.x before 3.0.1 does not properly address XML round-trip issues. An incorrect document can be produced after parsing and serializing.
- Matched to
- Rexml on Acme's software list
- What to do
- Plan in the vendor’s update
Sent to the alert recipients Acme chose. Also in the app and to Acme's webhook.
We track 8 published vulnerabilities listed under the name Rexml, across 29 versions.
None of Rexml's vulnerabilities is on the list of flaws known to be exploited today.
Create a Precursor Intelligence account and track Rexml. We match it against every published flaw, give each one a risk score from 0 to 100 and keep watching, so you hear about new ones as soon as we know, by email, in the app or by webhook.