🛡️ CVE-2024-41946 — rexml

🟡 CVSS 5.3 — Medium ✅ No Known Exploit CWE-400 OSV
5.3
CVSS Score
0 Low4 Medium7 High9 Critical10

Description

REXML DoS vulnerability

Impact

The REXML gem before 3.3.2 has a DoS vulnerability when it parses an XML that has many entity expansions with SAX2 or pull parser API.

If you need to parse untrusted XMLs with SAX2 or pull parser API, you may be impacted to this vulnerability.

Patches

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

Workarounds

Don't parse untrusted XMLs with SAX2 or pull parser API.

References

  • https://www.ruby-lang.org/en/news/2008/08/23/dos-vulnerability-in-rexml/ : This is a similar vulnerability
  • https://www.ruby-lang.org/en/news/2024/08/01/dos-rexml-cve-2024-41946/: An announce on www.ruby-lang.org

How this vulnerability can be exploited

This issue can be reached over the network, attack complexity is low, an attacker needs no privileges on the target. No user interaction is required. Rated impact: confidentiality none, integrity none, availability low.

Weakness class

CVE-2024-41946 is classified as CWE-400: Uncontrolled Resource Consumption. A request can consume memory, CPU or storage without limit, exhausting capacity for everyone else.

Affected software

CVE-2024-41946 is recorded against 1 package.

  • rexml (fixed in 3.3.3)

Timeline and source

Published on 2 August 2024 and last revised on 17 June 2026. No public exploit is currently recorded for this entry. A vendor advisory or fix has been published. Record sourced from OSV.

References

github.com (Web)
nvd.nist.gov (Advisory)
github.com (Web)
github.com (Package)
github.com (Web)
lists.debian.org (Web)
security.netapp.com (Web)
www.ruby-lang.org (Web)
www.ruby-lang.org (Web)

CVE-2024-41946 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity MEDIUM
CVSS Score 5.3
CVSS Vector CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
CWE CWE-400
Public Exploit ✅ No
Source OSV
Published 2024-08-02
Updated 2026-08-12
Modified 2026-06-17

Affected Packages

Software From version Fixed in
rexml — 3.3.3

Similar Threats

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