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    CVE-2006-4257

    IBM DB2 Universal Database (UDB) before 8.1 FixPak 13 allows remote authenticated users to cause a denial of service (crash) by (1) sending the first ACCSEC command without an RDBNAM parameter during the CONNECT process, or (2) sending crafted SQLJRA packet, which results in a null dereference.

    Published:Aug 21, 2006
    Last Modified:Apr 16, 2026
    EPS:Aug 21, 2006
    EPSS Score:0.01257
    CVSS Score:4

    Affected Products

    Vendor
    Ibm
    Product
    Db2

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

    Related CVEs

    CVE-2026-86087 (CVSS 4.3) — IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 could allow an authenticated user to send a specially…
    CVE-2026-86093 (CVSS 7.5) — IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 could allow an attacker with the ability to control o…
    CVE-2026-87958 (CVSS 8.1) — IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 is vulnerable to a denial of service where a specific…
    CVE-2026-10534 (CVSS 8.4) — IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 is vulnerable to buffer overflow in the IXF IMPORT pa…
    CVE-2026-10543 (CVSS 8.2) — IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 is vulnerable to privilege escalation with a speciall…
    CVE-2026-16480 (CVSS 4.3) — IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 is affected by an improper authorization vulnerabilit…
    CVE-2026-18097 (CVSS 5.5) — IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.5 for Linux, UNIX and Windows (includes DB2 Connect Ser…
    CVE-2026-18096 (CVSS 3.3) — IBM Db2 12.1.5 for Linux, UNIX and Windows (includes DB2 Connect Server) could allow a local attacker to cause…
    CVE-2026-10535 (CVSS 8.4) — IBM Db2 11.5.0 through 11.5.9, and 12.1.0 through 12.1.4 is vulnerable to buffer overflow in setgid helper db2…
    CVE-2026-10695 (CVSS 6.2) — IBM Db2 12.1.0 through 12.1.4 federated server is vulnerable to a denial of service when running non fenced fe…

    References

    ftp://ftp.software.ibm.com/ps/products/db2/fixes/english-us/aparlist/db2_v82/APARLIST.TXT
    http://secunia.com/advisories/21550
    http://www-1.ibm.com/support/docview.wss?uid=swg24013114
    http://www.appsecinc.com/resources/alerts/db2/2006-09-05.shtml
    http://www.securityfocus.com/archive/1/445298/100/0/threaded
    http://www.securityfocus.com/archive/1/454307/100/0/threaded
    http://www.securityfocus.com/bid/19586
    http://www.vupen.com/english/advisories/2006/3328
    ftp://ftp.software.ibm.com/ps/products/db2/fixes/english-us/aparlist/db2_v82/APARLIST.TXT
    http://secunia.com/advisories/21550
    http://www-1.ibm.com/support/docview.wss?uid=swg24013114
    http://www.appsecinc.com/resources/alerts/db2/2006-09-05.shtml
    http://www.securityfocus.com/archive/1/445298/100/0/threaded
    http://www.securityfocus.com/archive/1/454307/100/0/threaded
    http://www.securityfocus.com/bid/19586
    http://www.vupen.com/english/advisories/2006/3328

    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