rexml Gem up to 3.4.1 on Ruby resource consumption

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
4.5$0-$5k0.00

Summaryinfo

A vulnerability identified as problematic has been detected in rexml Gem up to 3.4.1 on Ruby. This affects an unknown function. This manipulation causes resource consumption. The identification of this vulnerability is CVE-2025-58767. The attack can only be executed locally. There is no exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as problematic was found in rexml Gem up to 3.4.1 on Ruby. Affected by this vulnerability is some unknown functionality. The manipulation with an unknown input leads to a resource consumption vulnerability. The CWE definition for the vulnerability is CWE-400. The product does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources. As an impact it is known to affect availability. The summary by CVE is:

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. If you need to parse untrusted XMLs, you may be impacted to these vulnerabilities. The REXML gem 3.4.2 or later include the patches to fix these vulnerabilities.

It is possible to read the advisory at github.com. This vulnerability is known as CVE-2025-58767 since 09/04/2025. The exploitation appears to be easy. Attacking locally is a requirement. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 265630 (Linux Distros Unpatched Vulnerability : CVE-2025-58767), which helps to determine the existence of the flaw in a target environment.

Upgrading to version 3.4.2 eliminates this vulnerability. Applying the patch 5859bdeac792687eaf93d8e8f0b7e3c1e2ed5c23 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

The vulnerability is also documented in the databases at Tenable (265630) and CERT Bund (WID-SEC-2025-2083). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Affected

  • Red Hat Enterprise Linux
  • Fedora Linux
  • Oracle Linux
  • SUSE openSUSE
  • Open Source Ruby
  • IBM License Metric Tool

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA CVSS-B Score: 🔒
CNA CVSS-BT Score: 🔒
CNA Vector: 🔒

CVSSv3info

VulDB Meta Base Score: 4.6
VulDB Meta Temp Score: 4.5

VulDB Base Score: 4.0
VulDB Temp Score: 3.8
VulDB Vector: 🔒
VulDB Reliability: 🔍

NVD Base Score: 5.3
NVD Vector: 🔒

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Resource consumption
CWE: CWE-400 / CWE-404
CAPEC: 🔒
ATT&CK: 🔒

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 265630
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2025-58767

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: rexml Gem 3.4.2
Patch: 5859bdeac792687eaf93d8e8f0b7e3c1e2ed5c23

Timelineinfo

09/04/2025 CVE reserved
09/17/2025 +13 days VulDB entry created
09/18/2025 +0 days Advisory disclosed
12/22/2025 +95 days VulDB entry last update

Sourcesinfo

Advisory: GHSA-c2f4-jgmc-q2r5
Status: Confirmed

CVE: CVE-2025-58767 (🔒)
GCVE (CVE): GCVE-0-2025-58767
GCVE (VulDB): GCVE-100-324739
CERT Bund: WID-SEC-2025-2083 - Ruby: Schwachstelle ermöglicht Denial of Service

Entryinfo

Created: 09/18/2025 00:30
Updated: 12/22/2025 13:41
Changes: 09/18/2025 00:30 (71), 09/18/2025 02:29 (1), 09/18/2025 13:12 (7), 09/21/2025 17:22 (2), 09/30/2025 15:14 (11), 10/26/2025 07:10 (1), 12/20/2025 18:51 (1), 12/22/2025 13:41 (1)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Do you need the next level of professionalism?

Upgrade your account now!