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    CVE-2006-3740

    Integer overflow in the scan_cidfont function in X.Org 6.8.2 and XFree86 X server allows local users to execute arbitrary code via crafted (1) CMap and (2) CIDFont font data with modified item counts in the (a) begincodespacerange, (b) cidrange, and (c) notdefrange sections.

    Published:Sep 12, 2006
    Last Modified:Apr 16, 2026
    EPS:Sep 13, 2006
    EPSS Score:0.0007
    CVSS Score:7.2

    Affected Products

    Vendor
    Redhat
    Product
    Enterprise Linux
    Vendor
    X.org
    Product
    X.org
    Vendor
    Xfree86 Project
    Product
    Xfree86 X

    Exploits

    No exploit reference

    Common Weakness Enumeration

    No CWE recorded yet

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    http://secunia.com/advisories/21864
    http://secunia.com/advisories/21889
    http://secunia.com/advisories/21890
    http://secunia.com/advisories/21894
    http://secunia.com/advisories/21900
    http://secunia.com/advisories/21904
    http://secunia.com/advisories/21908
    http://secunia.com/advisories/21924
    http://secunia.com/advisories/22080
    http://secunia.com/advisories/22141
    http://secunia.com/advisories/22332
    http://secunia.com/advisories/22560
    http://secunia.com/advisories/23033
    http://secunia.com/advisories/23899
    http://secunia.com/advisories/23907
    http://secunia.com/advisories/24636
    http://security.gentoo.org/glsa/glsa-200609-07.xml
    http://securitytracker.com/id?1016828
    http://sunsolve.sun.com/search/document.do?assetkey=1-26-102780-1
    http://support.avaya.com/elmodocs2/security/ASA-2006-190.htm
    http://support.avaya.com/elmodocs2/security/ASA-2006-191.htm
    http://www.debian.org/security/2006/dsa-1193
    http://www.idefense.com/intelligence/vulnerabilities/display.php?id=411
    http://www.mandriva.com/security/advisories?name=MDKSA-2006:164
    http://www.novell.com/linux/security/advisories/2006_23_sr.html
    http://www.redhat.com/support/errata/RHSA-2006-0665.html
    http://www.redhat.com/support/errata/RHSA-2006-0666.html
    http://www.securityfocus.com/archive/1/445812/100/0/threaded
    http://www.securityfocus.com/archive/1/464268/100/0/threaded
    http://www.securityfocus.com/bid/19974
    http://www.ubuntu.com/usn/usn-344-1
    http://www.vmware.com/support/esx25/doc/esx-254-200702-patch.html
    http://www.vupen.com/english/advisories/2006/3581
    http://www.vupen.com/english/advisories/2006/3582
    http://www.vupen.com/english/advisories/2007/0322
    http://www.vupen.com/english/advisories/2007/1171
    https://exchange.xforce.ibmcloud.com/vulnerabilities/28890
    https://issues.rpath.com/browse/RPL-614
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9454
    http://secunia.com/advisories/21864
    http://secunia.com/advisories/21889
    http://secunia.com/advisories/21890
    http://secunia.com/advisories/21894
    http://secunia.com/advisories/21900
    http://secunia.com/advisories/21904
    http://secunia.com/advisories/21908
    http://secunia.com/advisories/21924
    http://secunia.com/advisories/22080
    http://secunia.com/advisories/22141
    http://secunia.com/advisories/22332
    http://secunia.com/advisories/22560
    http://secunia.com/advisories/23033
    http://secunia.com/advisories/23899
    http://secunia.com/advisories/23907
    http://secunia.com/advisories/24636
    http://security.gentoo.org/glsa/glsa-200609-07.xml
    http://securitytracker.com/id?1016828
    http://sunsolve.sun.com/search/document.do?assetkey=1-26-102780-1
    http://support.avaya.com/elmodocs2/security/ASA-2006-190.htm
    http://support.avaya.com/elmodocs2/security/ASA-2006-191.htm
    http://www.debian.org/security/2006/dsa-1193
    http://www.idefense.com/intelligence/vulnerabilities/display.php?id=411
    http://www.mandriva.com/security/advisories?name=MDKSA-2006:164
    http://www.novell.com/linux/security/advisories/2006_23_sr.html
    http://www.redhat.com/support/errata/RHSA-2006-0665.html
    http://www.redhat.com/support/errata/RHSA-2006-0666.html
    http://www.securityfocus.com/archive/1/445812/100/0/threaded
    http://www.securityfocus.com/archive/1/464268/100/0/threaded
    http://www.securityfocus.com/bid/19974
    http://www.ubuntu.com/usn/usn-344-1
    http://www.vmware.com/support/esx25/doc/esx-254-200702-patch.html
    http://www.vupen.com/english/advisories/2006/3581
    http://www.vupen.com/english/advisories/2006/3582
    http://www.vupen.com/english/advisories/2007/0322
    http://www.vupen.com/english/advisories/2007/1171
    https://exchange.xforce.ibmcloud.com/vulnerabilities/28890
    https://issues.rpath.com/browse/RPL-614
    https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9454

    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