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    CVE-2012-3480

    Multiple integer overflows in the (1) strtod, (2) strtof, (3) strtold, (4) strtod_l, and other unspecified "related functions" in stdlib in GNU C Library (aka glibc or libc6) 2.16 allow local users to cause a denial of service (application crash) and possibly execute arbitrary code via a long string, which triggers a stack-based buffer overflow.

    Published:Aug 12, 2012
    Last Modified:Apr 11, 2025
    EPS:Aug 25, 2012
    EPSS Score:0.00203
    CVSS Score:4.6

    Affected Products

    Vendor
    Gnu
    Product
    Glibc
    Vendor
    Redhat
    Product
    Enterprise Linux

    Exploits

    https://www.exploit-db.com/exploits/37631

    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://lists.fedoraproject.org/pipermail/package-announce/2012-August/085190.html
    http://osvdb.org/84710
    http://rhn.redhat.com/errata/RHSA-2012-1207.html
    http://rhn.redhat.com/errata/RHSA-2012-1208.html
    http://rhn.redhat.com/errata/RHSA-2012-1262.html
    http://rhn.redhat.com/errata/RHSA-2012-1325.html
    http://secunia.com/advisories/50201
    http://secunia.com/advisories/50422
    http://sourceware.org/bugzilla/show_bug.cgi?id=14459
    http://sourceware.org/ml/libc-alpha/2012-08/msg00202.html
    http://www.openwall.com/lists/oss-security/2012/08/13/4
    http://www.openwall.com/lists/oss-security/2012/08/13/6
    http://www.securityfocus.com/bid/54982
    http://www.securitytracker.com/id?1027374
    http://www.ubuntu.com/usn/USN-1589-1
    https://security.gentoo.org/glsa/201503-04
    http://lists.fedoraproject.org/pipermail/package-announce/2012-August/085190.html
    http://osvdb.org/84710
    http://rhn.redhat.com/errata/RHSA-2012-1207.html
    http://rhn.redhat.com/errata/RHSA-2012-1208.html
    http://rhn.redhat.com/errata/RHSA-2012-1262.html
    http://rhn.redhat.com/errata/RHSA-2012-1325.html
    http://secunia.com/advisories/50201
    http://secunia.com/advisories/50422
    http://sourceware.org/bugzilla/show_bug.cgi?id=14459
    http://sourceware.org/ml/libc-alpha/2012-08/msg00202.html
    http://www.openwall.com/lists/oss-security/2012/08/13/4
    http://www.openwall.com/lists/oss-security/2012/08/13/6
    http://www.securityfocus.com/bid/54982
    http://www.securitytracker.com/id?1027374
    http://www.ubuntu.com/usn/USN-1589-1
    https://security.gentoo.org/glsa/201503-04

    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