{"cve":"CVE-2016-2390","nvd":{"published":"2016-04-19T21:59:07.957","modified":"2026-06-17T00:43:57.510","status":"Modified","description":"The FwdState::connectedToPeer method in FwdState.cc in Squid before 3.5.14 and 4.0.x before 4.0.6 does not properly handle SSL handshake errors when built with the --with-openssl option, which allows remote attackers to cause a denial of service (application crash) via a plaintext HTTP message.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","score":5.9},"cwes":["CWE-20"],"references":["http://bugs.squid-cache.org/show_bug.cgi?id=4437","http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00010.html","http://lists.opensuse.org/opensuse-security-announce/2016-08/msg00040.html","http://lists.squid-cache.org/pipermail/squid-announce/2016-February/000037.html","http://lists.squid-cache.org/pipermail/squid-announce/2016-February/000038.html"],"products":["squid-cache:squid"],"source":"nvd","synced_at":"2026-10-19T20:38:51.654415212+00:00"},"epss":{"cve":"CVE-2016-2390","score":0.2555,"percentile":0.97958,"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."]}