libexpat up to 2.5.0 xml external entity reference

CVSS Meta Temp Score
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CTI Interest Score
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5.8$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic has been found in libexpat up to 2.5.0. Affected by this issue is some unknown functionality. Performing a manipulation results in xml external entity reference. This vulnerability is known as CVE-2023-52426. Remote exploitation of the attack is possible. No exploit is available. It is suggested to install a patch to address this issue.

Detailsinfo

A vulnerability was found in libexpat up to 2.5.0. It has been classified as critical. This affects some unknown processing. The manipulation with an unknown input leads to a xml external entity reference vulnerability. CWE is classifying the issue as CWE-611. The product processes an XML document that can contain XML entities with URIs that resolve to documents outside of the intended sphere of control, causing the product to embed incorrect documents into its output. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

libexpat through 2.5.0 allows recursive XML Entity Expansion if XML_DTD is undefined at compile time.

The weakness was published 02/05/2024. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2023-52426 since 02/04/2024. It demands that the victim is doing some kind of user interaction. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 210680 (EulerOS 2.0 SP9 : expat (EulerOS-SA-2024-2827)), which helps to determine the existence of the flaw in a target environment.

Applying the patch 0f075ec8ecb5e43f8fdca5182f8cca4703da0404 is able to eliminate this problem. The bugfix is ready for download at github.com.

The vulnerability is also documented in the databases at Tenable (210680) and CERT Bund (WID-SEC-2025-1439). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Affected

  • SUSE Linux
  • Dell Secure Connect Gateway

Productinfo

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.8

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Xml external entity reference
CWE: CWE-611 / CWE-610
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 210680
Nessus Name: EulerOS 2.0 SP9 : expat (EulerOS-SA-2024-2827)

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 0f075ec8ecb5e43f8fdca5182f8cca4703da0404

Timelineinfo

02/04/2024 🔍
02/05/2024 +1 days 🔍
02/05/2024 +0 days 🔍
01/20/2026 +715 days 🔍

Sourcesinfo

Product: github.com

Advisory: 0f075ec8ecb5e43f8fdca5182f8cca4703da0404
Status: Confirmed

CVE: CVE-2023-52426 (🔍)
GCVE (CVE): GCVE-0-2023-52426
GCVE (VulDB): GCVE-100-252825
CERT Bund: WID-SEC-2025-1439 - Dell Secure Connect Gateway: Mehrere Schwachstellen ermöglichen nicht spezifizierten Angriff

Entryinfo

Created: 02/05/2024 08:15
Updated: 01/20/2026 22:43
Changes: 02/05/2024 08:15 (39), 02/29/2024 06:34 (1), 02/29/2024 06:49 (12), 11/09/2024 07:17 (16), 04/20/2025 05:23 (3), 01/20/2026 22:43 (7)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Discussion

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