VDB-309324 · CVE-2025-40906 · EUVD-2025-15446

MongoDB BSON-XS up to 0.8.4 on Perl libbson vulnerable third-party component

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.
5.5	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in MongoDB BSON-XS up to 0.8.4 on Perl. This issue affects some unknown processing of the component libbson. The manipulation results in vulnerable third-party component. This vulnerability only affects products that are no longer supported by the maintainer. This vulnerability is cataloged as CVE-2025-40906. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as critical, was found in MongoDB BSON-XS up to 0.8.4 on Perl. Affected is an unknown functionality of the component libbson. The manipulation with an unknown input leads to a vulnerable third-party component vulnerability. CWE is classifying the issue as CWE-1395. The product has a dependency on a third-party component that contains one or more known vulnerabilities. The impact remains unknown. CVE summarizes:

BSON::XS versions 0.8.4 and earlier for Perl includes a bundled libbson 1.1.7, which has several vulnerabilities. Those include CVE-2017-14227, CVE-2018-16790, CVE-2023-0437, CVE-2024-6381, CVE-2024-6383, and CVE-2025-0755. BSON-XS was the official Perl XS implementation of MongoDB's BSON serialization, but this distribution has reached its end of life as of August 13, 2020 and is no longer supported.

The advisory is shared for download at lists.debian.org. This vulnerability is traded as CVE-2025-40906 since 04/16/2025. There are neither technical details nor an exploit publicly available.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at EUVD (EUVD-2025-15446). Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Database Software

Vendor

MongoDB

Name

BSON-XS

Version

License

open-source

Support

end of life

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.5
VulDB Meta Temp Score: 5.5

VulDB Base Score: 5.5
VulDB Temp Score: 5.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Vulnerable third-party component
CWE: CWE-1395
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Partially

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

04/16/2025 🔍
05/16/2025 +30 days 🔍
05/16/2025 +0 days 🔍
09/05/2025 +112 days 🔍

Sourcesinfo

Advisory: lists.debian.org
Status: Not defined

CVE: CVE-2025-40906 (🔍)
GCVE (CVE): GCVE-0-2025-40906
GCVE (VulDB): GCVE-100-309324
EUVD: 🔍

Entryinfo

Created: 05/16/2025 17:24
Updated: 09/05/2025 16:27
Changes: 05/16/2025 17:24 (55), 05/16/2025 18:26 (1), 09/05/2025 16:27 (1)
Complete: 🔍
Cache ID: 216::103