{"cve":"CVE-2011-4357","nvd":{"published":"2011-12-10T17:55:01.710","modified":"2026-06-16T23:34:50.287","status":"Modified","description":"Format string vulnerability in the p_cgi_error function in python/neo_cgi.c in the Python CGI Kit (neo_cgi) module for Clearsilver 0.10.5 and earlier allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via format string specifiers that are not properly handled when creating CGI error messages using the cgi_error API function.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-134"],"references":["http://code.google.com/p/clearsilver/source/detail?r=919","http://osvdb.org/77419","http://secunia.com/advisories/47016","http://tech.groups.yahoo.com/group/ClearSilver/message/1422","http://www.debian.org/security/2011/dsa-2355"],"products":["brandon_long:clearsilver"],"source":"nvd","synced_at":"2026-10-19T19:59:31.623151214+00:00"},"epss":{"cve":"CVE-2011-4357","score":0.03017,"percentile":0.8744,"date":"2026-10-31"},"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."]}