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    CVE-2013-4332

    Multiple integer overflows in malloc/malloc.c in the GNU C Library (aka glibc or libc6) 2.18 and earlier allow context-dependent attackers to cause a denial of service (heap corruption) via a large value to the (1) pvalloc, (2) valloc, (3) posix_memalign, (4) memalign, or (5) aligned_alloc functions.

    Published:Aug 20, 2013
    Last Modified:Apr 11, 2025
    EPS:Oct 9, 2013
    EPSS Score:0.01634
    CVSS Score:4.3

    Affected Products

    Vendor
    Gnu
    Product
    Glibc
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    https://sourceware.org/bugzilla/show_bug.cgi?id=15855https://sourceware.org/bugzilla/show_bug.cgi?id=15857https://sourceware.org/bugzilla/show_bug.cgi?id=15855https://sourceware.org/bugzilla/show_bug.cgi?id=15857

    Common Weakness Enumeration

    CWE-190 Integer Overflow or Wraparound

    Common Attack Pattern Enumeration and Classification (CAPEC)

    CAPEC-92 Forced Integer Overflow

    Related CVEs

    CVE-2026-80489 (CVSS 5.9) — A flaw was found in glibc. This vulnerability allows a remote attacker to cause a denial of service (DoS) by p…
    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-2013-1411.html
    http://rhn.redhat.com/errata/RHSA-2013-1605.html
    http://secunia.com/advisories/55113
    http://www.mandriva.com/security/advisories?name=MDVSA-2013:283
    http://www.mandriva.com/security/advisories?name=MDVSA-2013:284
    http://www.openwall.com/lists/oss-security/2013/09/12/6
    http://www.securityfocus.com/bid/62324
    http://www.ubuntu.com/usn/USN-1991-1
    https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2013-4332
    https://security.gentoo.org/glsa/201503-04
    https://sourceware.org/bugzilla/show_bug.cgi?id=15855
    https://sourceware.org/bugzilla/show_bug.cgi?id=15856
    https://sourceware.org/bugzilla/show_bug.cgi?id=15857
    http://rhn.redhat.com/errata/RHSA-2013-1411.html
    http://rhn.redhat.com/errata/RHSA-2013-1605.html
    http://secunia.com/advisories/55113
    http://www.mandriva.com/security/advisories?name=MDVSA-2013:283
    http://www.mandriva.com/security/advisories?name=MDVSA-2013:284
    http://www.openwall.com/lists/oss-security/2013/09/12/6
    http://www.securityfocus.com/bid/62324
    http://www.ubuntu.com/usn/USN-1991-1
    https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2013-4332
    https://security.gentoo.org/glsa/201503-04
    https://sourceware.org/bugzilla/show_bug.cgi?id=15855
    https://sourceware.org/bugzilla/show_bug.cgi?id=15856
    https://sourceware.org/bugzilla/show_bug.cgi?id=15857

    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