{"cve":"CVE-2015-3216","nvd":{"published":"2015-07-07T10:59:00.087","modified":"2026-06-17T00:25:33.397","status":"Modified","description":"Race condition in a certain Red Hat patch to the PRNG lock implementation in the ssleay_rand_bytes function in OpenSSL, as distributed in openssl-1.0.1e-25.el7 in Red Hat Enterprise Linux (RHEL) 7 and other products, allows remote attackers to cause a denial of service (application crash) by establishing many TLS sessions to a multithreaded server, leading to use of a negative value for a certain length field.","cvss_v4":null,"cvss_v3":null,"cwes":["CWE-189","CWE-362"],"references":["http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00023.html","http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00024.html","http://lists.opensuse.org/opensuse-security-announce/2015-06/msg00026.html","http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00004.html","http://lists.opensuse.org/opensuse-security-announce/2015-07/msg00006.html"],"products":["openssl:openssl","redhat:enterprise_linux"],"source":"nvd","synced_at":"2026-10-19T20:36:40.444340523+00:00"},"epss":{"cve":"CVE-2015-3216","score":0.04272,"percentile":0.91093,"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."]}