{"cve":"CVE-2014-3509","nvd":{"published":"2014-08-13T23:55:07.547","modified":"2026-06-17T00:08:20.670","status":"Modified","description":"Race condition in the ssl_parse_serverhello_tlsext function in t1_lib.c in OpenSSL 1.0.0 before 1.0.0n and 1.0.1 before 1.0.1i, when multithreading and session resumption are used, allows remote SSL servers to cause a denial of service (memory overwrite and client application crash) or possibly have unspecified other impact by sending Elliptic Curve (EC) Supported Point Formats Extension data.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-362"],"references":["ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2014-008.txt.asc","http://aix.software.ibm.com/aix/efixes/security/openssl_advisory10.asc","http://linux.oracle.com/errata/ELSA-2014-1052.html","http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136470.html","http://lists.fedoraproject.org/pipermail/package-announce/2014-August/136473.html"],"products":["openssl:openssl"],"source":"nvd","synced_at":"2026-10-19T20:33:06.232976534+00:00"},"epss":{"cve":"CVE-2014-3509","score":0.12911,"percentile":0.96308,"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."]}