CVE-2013-6462

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    CVE-2013-6462

    Published: 9 Jan 2014Last Modified: 16 Apr 2026

    Summary:

    Details: Stack-based buffer overflow in the bdfReadCharacters function in bitmap/bdfread.c in X.Org libXfont 1.1 through 1.4.6 allows remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via a long string in a character name in a BDF font file.

    References: http://lists.x.org/archives/xorg-announce/2014-January/002389.html, http://rhn.redhat.com/errata/RHSA-2014-0018.html, http://secunia.com/advisories/56240, http://secunia.com/advisories/56336, http://secunia.com/advisories/56357, http://secunia.com/advisories/56371, http://www.debian.org/security/2014/dsa-2838, http://www.ubuntu.com/usn/USN-2078-1, http://cgit.freedesktop.org/xorg/lib/libXfont/commit/?id=4d024ac10f964f6bd372ae0dd14f02772a6e5f63, http://cgit.freedesktop.org/xorg/lib/libXfont/commit/?id=4d024ac10f964f6bd372ae0dd14f02772a6e5f63, http://lists.opensuse.org/opensuse-updates/2014-01/msg00050.html, http://lists.opensuse.org/opensuse-updates/2014-01/msg00052.html, http://osvdb.org/101842, http://seclists.org/oss-sec/2014/q1/33, http://www.oracle.com/technetwork/topics/security/cpuapr2014-1972952.html, http://www.securityfocus.com/bid/64694, https://exchange.xforce.ibmcloud.com/vulnerabilities/90123

    Affected packages

    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