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    CVE-2006-3855

    The ifx_load_internal function in IBM Informix Dynamic Server (IDS) allows remote authenticated users to execute arbitrary C code via the DllMain or _init function in a library, aka "C code UDR."

    Published:Aug 8, 2006
    Last Modified:Apr 16, 2026
    EPS:Aug 8, 2006
    EPSS Score:0.01298
    CVSS Score:6.5

    Affected Products

    Vendor
    Ibm
    Product
    Informix Dynamic Server

    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-2026-13476 (CVSS 7.3) — IBM Informix Dynamic Server 14.10, 15.0, and 12.10 could allow an unauthenticated user to execute arbitrary co…
    CVE-2026-13367 (CVSS 7.8) — IBM Informix Dynamic Server 14.10, and 15.0 contain a local privilege escalation vulnerability in the oninit s…
    CVE-2026-13361 (CVSS 8.8) — IBM Informix oninit sq_sgkprepare RCE via unchecked SQL Interface length field.…
    CVE-2024-45675 (CVSS 8.4) — IBM Informix Dynamic Server 14.10 could allow a local user on the system to log into the Informix server as ad…
    CVE-2024-49343 (CVSS 5.4) — IBM Informix Dynamic Server 12.10 and 14.10 is vulnerable to HTML injection. A remote attacker could inject ma…
    CVE-2024-49342 (CVSS 7.5) — IBM Informix Dynamic Server 12.10 and 14.10 uses an inadequate account lockout setting that could allow a remo…
    CVE-2025-1991 (CVSS 7.5) — IBM Informix Dynamic Server 12.10,14.10, and15.0 could allow a remote attacker to cause a denial of service du…
    CVE-2023-28523 (CVSS 8.4) — IBM Informix Dynamic Server 12.10 and 14.10 onsmsync is vulnerable to a heap buffer overflow, caused by impro…
    CVE-2023-28526 (CVSS 6.2) — IBM Informix Dynamic Server 12.10 and 14.10 archecker is vulnerable to a heap buffer overflow, caused by impr…
    CVE-2023-28527 (CVSS 6.2) — IBM Informix Dynamic Server 12.10 and 14.10 cdr is vulnerable to a heap buffer overflow, caused by improper b…

    References

    http://secunia.com/advisories/21301
    http://www-1.ibm.com/support/docview.wss?uid=swg21242921
    http://www.databasesecurity.com/informix/DatabaseHackersHandbook-AttackingInformix.pdf
    http://www.osvdb.org/27689
    http://www.securityfocus.com/archive/1/443133/100/0/threaded
    http://www.securityfocus.com/archive/1/443184/100/0/threaded
    http://www.securityfocus.com/bid/19264
    http://www.vupen.com/english/advisories/2006/3077
    https://exchange.xforce.ibmcloud.com/vulnerabilities/28129
    http://secunia.com/advisories/21301
    http://www-1.ibm.com/support/docview.wss?uid=swg21242921
    http://www.databasesecurity.com/informix/DatabaseHackersHandbook-AttackingInformix.pdf
    http://www.osvdb.org/27689
    http://www.securityfocus.com/archive/1/443133/100/0/threaded
    http://www.securityfocus.com/archive/1/443184/100/0/threaded
    http://www.securityfocus.com/bid/19264
    http://www.vupen.com/english/advisories/2006/3077
    https://exchange.xforce.ibmcloud.com/vulnerabilities/28129

    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