powsybl-core up to 6.7.1 Pattern.compile(regex).matcher(id).find redos

Summaryinfo

A vulnerability labeled as problematic has been found in powsybl-core up to 6.7.1. The impacted element is the function Pattern.compile(regex).matcher(id).find. Executing a manipulation can lead to redos. This vulnerability is registered as CVE-2025-48059. It is possible to launch the attack remotely. No exploit is available. The affected component should be upgraded.

Detailsinfo

A vulnerability was found in powsybl-core up to 6.7.1. It has been declared as problematic. This vulnerability affects the function Pattern.compile(regex).matcher(id).find. The manipulation with an unknown input leads to a redos vulnerability. The CWE definition for the vulnerability is CWE-1333. The product uses a regular expression with an inefficient, possibly exponential worst-case computational complexity that consumes excessive CPU cycles. As an impact it is known to affect availability. CVE summarizes:

PowSyBl (Power System Blocks) is a framework to build power system oriented software. In com.powsybl:powsybl-iidm-criteria versions 6.3.0 to before 6.7.2 and com.powsybl:powsybl-contingency-api versions 5.0.0 to before 6.3.0, there is a a potential polynomial Regular Expression Denial of Service (ReDoS) vulnerability in the RegexCriterion class. This class compiles and evaluates an unvalidated, user-supplied regular expression against the identifier of an Identifiable object via Pattern.compile(regex).matcher(id).find(). If successfully exploited, a malicious actor can cause significant CPU exhaustion through repeated or recursive filter(...) calls — especially if performed over large network models or filtering operations. This issue has been patched in com.powsybl:powsybl-iidm-criteria 6.7.2.

The advisory is shared for download at github.com. This vulnerability was named CVE-2025-48059 since 05/15/2025. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available. The MITRE ATT&CK project declares the attack technique as T1449.003.

Upgrading to version 6.7.2 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch d8398f689a5ccd505bd62eee2bd6670a29133110 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.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

• powsybl-core

Version

• 6.7.0
• 6.7.1

License

• open-source

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Once again VulDB remains the best source for vulnerability data.

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