CVE-2024-41946

REXML DoS vulnerability

HIGH
7.5
CVSS Score
Published: August 1, 2024 at 02:22 PM UTC
Updated: June 17, 2026 at 07:48 AM UTC
2 products affected across 2 vendorsRexmlREXML

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Severity
HIGH7.5
Exploit prediction
EPSS 1%
SSVC
No known exploit

Description

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. The REXML gem 3.3.3 or later include the patch to fix the vulnerability.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

v < 3.3.3
Affected range stops below 3.3.3, so it looks safe — our inference, not a vendor statement
v < 3.3.3
Affected range stops below 3.3.3, so it looks safe — our inference, not a vendor statement

SSVC — Action Prioritization

SSVCNo known exploitAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
CWE-400

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