Description
GraphHopper is an open-source Java routing engine. In GrassHopper from version 2.0 and before version 2.4, there is a regular expression injection vulnerability that may lead to Denial of Service. This has been patched in 2.4 and 3.0 See this pull request for the fix: https://github.com/graphhopper/graphhopper/pull/2304
Remediation
References
https://github.com/graphhopper/graphhopper/commit/eb189be1fa7443ebf4ae881e737a18f818c95f41
https://github.com/graphhopper/graphhopper/security/advisories/GHSA-hf44-3mx6-vhhw
https://github.com/graphhopper/graphhopper/pull/2304