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    CVE-2012-0864

    Integer overflow in the vfprintf function in stdio-common/vfprintf.c in glibc 2.14 and other versions allows context-dependent attackers to bypass the FORTIFY_SOURCE protection mechanism, conduct format string attacks, and write to arbitrary memory via a large number of arguments.

    Published:Nov 17, 2010
    Last Modified:Apr 11, 2025
    EPS:May 2, 2013
    EPSS Score:0.02114
    CVSS Score:6.8

    Affected Products

    Vendor
    Gnu
    Product
    Glibc
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    http://sourceware.org/ml/libc-alpha/2012-02/msg00023.htmlhttp://www.phrack.org/issues.html?issue=67&id=9#articlehttp://www.securityfocus.com/bid/52201http://sourceware.org/ml/libc-alpha/2012-02/msg00023.htmlhttp://www.phrack.org/issues.html?issue=67&id=9#articlehttp://www.securityfocus.com/bid/52201

    Common Weakness Enumeration

    CWE-190 Integer Overflow or Wraparound

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-92 Forced Integer Overflow

    Related CVEs

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    CVE-2026-77117 (CVSS 5.9) — A flaw was found in glibc. A remote attacker could exploit this vulnerability by providing specially crafted i…
    CVE-2026-19499 (CVSS 6.8) — A flaw was found in glibc. The strfmon and strfmon_l functions are vulnerable to a buffer overflow when proces…
    CVE-2026-19542 (CVSS 4.2) — A flaw was found in glibc. An out-of-bounds array write vulnerability exists within the `tdelete` function. Th…
    CVE-2026-6368 (CVSS 2.1) — Calling wordexp with WRDE_APPEND in the GNU C Library version 2.0 to version 2.43 can cause the interface to r…
    CVE-2026-6238 (CVSS 6.5) — The deprecated functions ns_printrrf, ns_printrr and fp_nquery in the GNU C Library version 2.0.1 to version 2…
    CVE-2026-5435 (CVSS 7.3) — The deprecated functions ns_printrrf, ns_printrr and fp_nquery in the GNU C Library version 2.2 and newer fail…
    CVE-2026-5450 (CVSS 9.8) — Calling the scanf family of functions with a %mc (malloc'd character match) in the GNU C Library version 2.7 t…
    CVE-2026-5928 (CVSS 7.5) — Calling the ungetwc function on a FILE stream with wide characters encoded in a character set that has overlap…
    CVE-2026-4046 (CVSS 7.5) — The iconv() function in the GNU C Library versions 2.43 and earlier may crash due to an assertion failure when…

    References

    http://rhn.redhat.com/errata/RHSA-2012-0393.html
    http://rhn.redhat.com/errata/RHSA-2012-0397.html
    http://rhn.redhat.com/errata/RHSA-2012-0488.html
    http://rhn.redhat.com/errata/RHSA-2012-0531.html
    http://sourceware.org/git/?p=glibc.git%3Ba=commitdiff%3Bh=7c1f4834d398163d1ac8101e35e9c36fc3176e6e
    http://sourceware.org/ml/libc-alpha/2012-02/msg00023.html
    http://www.phrack.org/issues.html?issue=67&id=9#article
    http://www.securityfocus.com/bid/52201
    https://bugzilla.redhat.com/show_bug.cgi?id=794766
    http://rhn.redhat.com/errata/RHSA-2012-0393.html
    http://rhn.redhat.com/errata/RHSA-2012-0397.html
    http://rhn.redhat.com/errata/RHSA-2012-0488.html
    http://rhn.redhat.com/errata/RHSA-2012-0531.html
    http://sourceware.org/git/?p=glibc.git%3Ba=commitdiff%3Bh=7c1f4834d398163d1ac8101e35e9c36fc3176e6e
    http://sourceware.org/ml/libc-alpha/2012-02/msg00023.html
    http://www.phrack.org/issues.html?issue=67&id=9#article
    http://www.securityfocus.com/bid/52201
    https://bugzilla.redhat.com/show_bug.cgi?id=794766

    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