{"cve":"CVE-2012-4505","nvd":{"published":"2012-11-11T13:00:49.963","modified":"2026-06-16T23:45:13.477","status":"Modified","description":"Heap-based buffer overflow in the px_pac_reload function in lib/pac.c in libproxy 0.2.x and 0.3.x allows remote servers to have an unspecified impact via a crafted Content-Length size in an HTTP response header for a proxy.pac file request, a different vulnerability than CVE-2012-4504.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-119"],"references":["http://lists.opensuse.org/opensuse-updates/2012-10/msg00065.html","http://rhn.redhat.com/errata/RHSA-2012-1461.html","http://secunia.com/advisories/51048","http://secunia.com/advisories/51180","http://secunia.com/advisories/51308"],"products":["libproxy_project:libproxy"],"source":"nvd","synced_at":"2026-10-19T20:25:53.526315492+00:00"},"epss":{"cve":"CVE-2012-4505","score":0.03218,"percentile":0.88213,"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."]}