{"id":"CVE-2003-0851","aliases":["EUVD-2003-0842","GHSA-m2h2-rm4v-5p5x"],"status":"published","title":"OpenSSL 0.9.6k allows remote attackers to cause a denial of service (crash via large recursion)...","description":"OpenSSL 0.9.6k allows remote attackers to cause a denial of service (crash via large recursion) via malformed ASN.1 sequences.","severity":{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.06065,"percentile":0.93434,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"published":"2003-11-06T05:00:00Z","modified":"2026-06-16T22:03:04Z","products":[{"vendor":"cisco","product":"css11000_content_services_switch"},{"vendor":"cisco","product":"ios"},{"vendor":"cisco","product":"pix_firewall"},{"vendor":"cisco","product":"pix_firewall_software"},{"vendor":"openssl","product":"openssl"}],"references":[{"url":"https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5528","tags":["vdb-entry","signature","x_refsource_OVAL","x_transferred"]},{"url":"http://www.redhat.com/archives/fedora-announce-list/2005-October/msg00087.html","tags":["vendor-advisory","x_refsource_FEDORA","x_transferred"]},{"url":"ftp://patches.sgi.com/support/free/security/advisories/20040304-01-U.asc","tags":["vendor-advisory","x_refsource_SGI","x_transferred"]},{"url":"http://secunia.com/advisories/17381","tags":["third-party-advisory","x_refsource_SECUNIA","x_transferred"]},{"url":"ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2004-003.txt.asc","tags":["vendor-advisory","x_refsource_NETBSD","x_transferred"]},{"url":"http://www.cisco.com/warp/public/707/cisco-sa-20030930-ssl.shtml","tags":["vendor-advisory","x_refsource_CISCO","x_transferred"]},{"url":"http://www.securityfocus.com/bid/8970","tags":["vdb-entry","x_refsource_BID","x_transferred","Patch","Vendor Advisory"]},{"url":"http://marc.info/?l=bugtraq\u0026m=106796246511667\u0026w=2","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"http://rhn.redhat.com/errata/RHSA-2004-119.html","tags":["vendor-advisory","x_refsource_REDHAT","x_transferred"]},{"url":"http://www.openssl.org/news/secadv_20031104.txt","tags":["x_refsource_CONFIRM","x_transferred","Patch","Vendor Advisory"]},{"url":"http://www.kb.cert.org/vuls/id/412478","tags":["third-party-advisory","x_refsource_CERT-VN","x_transferred","Patch","Third Party Advisory","US Government Resource"]},{"url":"http://marc.info/?l=bugtraq\u0026m=108403850228012\u0026w=2","tags":["mailing-list","x_refsource_BUGTRAQ","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2003-0851"},{"url":"https://github.com/advisories/GHSA-m2h2-rm4v-5p5x"}],"sources":{"cve":[{"id":"CVE-2003-0851","description":"OpenSSL 0.9.6k allows remote attackers to cause a denial of service (crash via large recursion) via malformed ASN.1 sequences.","status":"published","published":"2003-11-06T05:00:00Z","modified":"2024-08-08T02:05:12.617Z","updated_at":"2026-11-02T14:20:17.11067Z"}],"euvd":[{"id":"EUVD-2003-0842","description":"OpenSSL 0.9.6k allows remote attackers to cause a denial of service (crash via large recursion) via malformed ASN.1 sequences.","status":"published","published":"2003-11-06T05:00:00Z","modified":"2024-08-08T02:05:12Z","updated_at":"2026-11-03T01:15:06.016782Z"}],"ghsa":[{"id":"GHSA-m2h2-rm4v-5p5x","title":"OpenSSL 0.9.6k allows remote attackers to cause a denial of service (crash via large recursion)...","description":"OpenSSL 0.9.6k allows remote attackers to cause a denial of service (crash via large recursion) via malformed ASN.1 sequences.","status":"published","published":"2022-05-03T03:09:47Z","modified":"2023-02-01T05:01:06Z","updated_at":"2026-11-02T14:49:40.106969Z"}],"nvd":[{"id":"CVE-2003-0851","description":"OpenSSL 0.9.6k allows remote attackers to cause a denial of service (crash via large recursion) via malformed ASN.1 sequences.","status":"published","published":"2003-12-01T05:00:00Z","modified":"2026-06-16T22:03:04.85Z","cvss":[{"version":"2.0","score":5,"vector":"AV:N/AC:L/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"updated_at":"2026-11-02T14:00:47.41445Z"}]}}