CVE-2014-6040

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    CVE-2014-6040

    Published: 5 Dec 2014Last Modified: 16 Apr 2026

    Summary:

    Details: GNU C Library (aka glibc) before 2.20 allows context-dependent attackers to cause a denial of service (out-of-bounds read and crash) via a multibyte character value of "0xffff" to the iconv function when converting (1) IBM933, (2) IBM935, (3) IBM937, (4) IBM939, or (5) IBM1364 encoded data to UTF-8.

    References: http://secunia.com/advisories/62100, http://secunia.com/advisories/62146, http://ubuntu.com/usn/usn-2432-1, http://www.debian.org/security/2015/dsa-3142, http://www.mandriva.com/security/advisories?name=MDVSA-2014:175, https://security.gentoo.org/glsa/201602-02, http://www.openwall.com/lists/oss-security/2014/09/02/1, https://sourceware.org/bugzilla/show_bug.cgi?id=17325, http://ubuntu.com/usn/usn-2432-1, http://linux.oracle.com/errata/ELSA-2015-0016.html, http://www.openwall.com/lists/oss-security/2014/08/29/3, http://www.securityfocus.com/bid/69472, https://sourceware.org/git/gitweb.cgi?p=glibc.git%3Ba=commitdiff%3Bh=41488498b6

    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
    CVE-2014-6040 | CVE-DB