VDB-321288 · CVE-2025-52581 · TALOS-2025-2233

Biosig libbiosig 3.9.0 GDF Parser integer overflow

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.
8.4	$0-$5k	0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Biosig libbiosig 3.9.0. Affected by this vulnerability is an unknown functionality of the component GDF Parser. The manipulation results in integer overflow. This vulnerability was named CVE-2025-52581. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in Biosig libbiosig 3.9.0. It has been classified as critical. Affected is some unknown functionality of the component GDF Parser. The manipulation with an unknown input leads to a integer overflow vulnerability. CWE is classifying the issue as CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

An integer overflow vulnerability exists in the GDF parsing functionality of The Biosig Project libbiosig 3.9.0 and Master Branch (35a819fa). A specially crafted GDF file can lead to arbitrary code execution. An attacker can provide a malicious file to trigger this vulnerability.

The advisory is shared for download at talosintelligence.com. This vulnerability is traded as CVE-2025-52581 since 07/23/2025. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 09/03/2025).

The vulnerability scanner Nessus provides a plugin with the ID 260414 (Linux Distros Unpatched Vulnerability : CVE-2025-52581), which helps to determine the existence of the flaw in a target environment.

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 databases at Tenable (260414) and EUVD (EUVD-2025-25668). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Biosig

Name

libbiosig

Version

3.9.0

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

VulDB Base Score: 7.3
VulDB Temp Score: 7.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CNA Base Score: 9.8
CNA Vector (talos): 🔒

CVSSv2info

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined

EPSS Score: 🔒
EPSS Percentile: 🔒

Price Prediction: 🔍
Current Price Estimation: 🔒

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 260414
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2025-52581

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

07/23/2025 CVE reserved
08/25/2025 +33 days Advisory disclosed
08/25/2025 +0 days VulDB entry created
09/03/2025 +9 days VulDB entry last update

Sourcesinfo

Advisory: TALOS-2025-2233
Status: Not defined

CVE: CVE-2025-52581 (🔒)
GCVE (CVE): GCVE-0-2025-52581
GCVE (VulDB): GCVE-100-321288
EUVD: 🔒

Entryinfo

Created: 08/25/2025 16:18
Updated: 09/03/2025 02:11
Changes: 08/25/2025 16:18 (62), 08/25/2025 17:56 (1), 08/27/2025 11:07 (1), 09/03/2025 02:11 (2)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.