{"cve":"CVE-2009-3275","nvd":{"published":"2009-09-21T19:30:00.547","modified":"2026-06-16T23:11:17.237","status":"Modified","description":"Blocks/Common/Src/Configuration/Manageability/Adm/AdmContentBuilder.cs in Microsoft patterns & practices Enterprise Library (aka EntLib) allows context-dependent attackers to cause a denial of service (CPU consumption) via an input string composed of many \\ (backslash) characters followed by a \" (double quote), related to a certain regular expression, aka a \"ReDoS\" vulnerability.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-134"],"references":["http://www.checkmarx.com/Upload/Documents/PDF/Checkmarx_OWASP_IL_2009_ReDoS.pdf","http://www.securityfocus.com/archive/1/506419/100/0/threaded","http://www.checkmarx.com/Upload/Documents/PDF/Checkmarx_OWASP_IL_2009_ReDoS.pdf","http://www.securityfocus.com/archive/1/506419/100/0/threaded"],"products":["microsoft:enterprise_library"],"source":"nvd","synced_at":"2026-10-19T19:54:26.868835795+00:00"},"epss":{"cve":"CVE-2009-3275","score":0.03515,"percentile":0.89212,"date":"2026-11-01"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}