UBUNTU-CVE-2012-6656

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    UBUNTU-CVE-2012-6656

    Published: 31 Dec 2012Last Modified: 4 Feb 2026
    Upstream:
    CVE-2012-6656
    Aliases:
    USN-2432-1

    Summary:

    Details: iconvdata/ibm930.c in GNU C Library (aka glibc) before 2.16 allows context-dependent attackers to cause a denial of service (out-of-bounds read) via a multibyte character value of "0xffff" to the iconv function when converting IBM930 encoded data to UTF-8.

    References: https://ubuntu.com/security/CVE-2012-6656, http://www.openwall.com/lists/oss-security/2014/08/29/3, https://ubuntu.com/security/notices/USN-2432-1, https://www.cve.org/CVERecord?id=CVE-2012-6656

    Affected packages

    Package

    Name: eglibc

    Purl: pkg:deb/ubuntu/[email protected]?arch=source&distro=trusty

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.19-0ubuntu6.3

    Affected versions

    2.17-93ubuntu4

    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