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    CVE-2003-0851

    OpenSSL 0.9.6k allows remote attackers to cause a denial of service (crash via large recursion) via malformed ASN.1 sequences.

    Published:Nov 4, 2003
    Last Modified:Apr 16, 2026
    EPS:Nov 6, 2003
    EPSS Score:0.04236
    CVSS Score:5

    Affected 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
    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    Redhat
    Product
    Stronghold

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    References

    ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2004-003.txt.asc
    ftp://patches.sgi.com/support/free/security/advisories/20040304-01-U.asc
    http://marc.info/?l=bugtraq&m=106796246511667&w=2
    http://marc.info/?l=bugtraq&m=108403850228012&w=2
    http://rhn.redhat.com/errata/RHSA-2004-119.html
    http://secunia.com/advisories/17381
    http://www.cisco.com/warp/public/707/cisco-sa-20030930-ssl.shtml
    http://www.kb.cert.org/vuls/id/412478
    http://www.openssl.org/news/secadv_20031104.txt
    http://www.redhat.com/archives/fedora-announce-list/2005-October/msg00087.html
    http://www.securityfocus.com/bid/8970
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5528
    ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2004-003.txt.asc
    ftp://patches.sgi.com/support/free/security/advisories/20040304-01-U.asc
    http://marc.info/?l=bugtraq&m=106796246511667&w=2
    http://marc.info/?l=bugtraq&m=108403850228012&w=2
    http://rhn.redhat.com/errata/RHSA-2004-119.html
    http://secunia.com/advisories/17381
    http://www.cisco.com/warp/public/707/cisco-sa-20030930-ssl.shtml
    http://www.kb.cert.org/vuls/id/412478
    http://www.openssl.org/news/secadv_20031104.txt
    http://www.redhat.com/archives/fedora-announce-list/2005-October/msg00087.html
    http://www.securityfocus.com/bid/8970
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A5528

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High