{
    "id": "CVE-2011-2702",
    "published": "2014-10-27 20:55:22",
    "last_modified": "2026-06-16 23:31:49",
    "cvss_score": "6.8",
    "cvss_severity": "MEDIUM",
    "cvss_version": "2.0",
    "cvss_vector": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
    "cwe": "CWE-94",
    "description": "Integer signedness error in Glibc before 2.13 and eglibc before 2.13, when using Supplemental Streaming SIMD Extensions 3 (SSSE3) optimization, allows context-dependent attackers to execute arbitrary code via a negative length parameter to (1) memcpy-ssse3-rep.S, (2) memcpy-ssse3.S, or (3) memset-sse2.S in sysdeps/i386/i686/multiarch/, which triggers an out-of-bounds read, as demonstrated using the memcpy function.",
    "epss_score": "0.08458",
    "epss_percentile": "0.94832",
    "kev": 0,
    "kev_due": null,
    "has_exploit": 1,
    "updated_at": "2026-09-28 18:17:09",
    "priority": {
        "rank": 2,
        "label": "Patch early",
        "why": "A public exploit exists."
    },
    "products": [
        {
            "vendor": "gnu",
            "product": "eglibc"
        },
        {
            "vendor": "gnu",
            "product": "glibc"
        }
    ],
    "kev_detail": null,
    "exploits": [
        {
            "source": "exploit-db",
            "ref_id": "20167",
            "title": "eGlibc - Signedness Code Execution",
            "date": "2012-08-01",
            "url": "https://www.exploit-db.com/exploits/20167"
        }
    ],
    "refs_list": [
        "http://seclists.org/oss-sec/2011/q3/123",
        "http://seclists.org/oss-sec/2011/q3/153",
        "http://www.eglibc.org/cgi-bin/viewvc.cgi/trunk/libc/ChangeLog?view=markup&pathrev=10032",
        "http://www.nodefense.org/eglibc.txt",
        "http://www.osvdb.org/80718",
        "http://xorl.wordpress.com/2011/08/06/cve-2011-2702-eglibc-and-glibc-signedness-issue/",
        "https://bugzilla.novell.com/show_bug.cgi?id=706915",
        "https://sourceware.org/git/?p=glibc.git%3Ba=commit%3Bh=a0ac24d98ace90d1ccba6a2f3e7d55600f2fdb6e",
        "http://seclists.org/oss-sec/2011/q3/123",
        "http://seclists.org/oss-sec/2011/q3/153",
        "http://www.eglibc.org/cgi-bin/viewvc.cgi/trunk/libc/ChangeLog?view=markup&pathrev=10032",
        "http://www.nodefense.org/eglibc.txt",
        "http://www.osvdb.org/80718",
        "http://xorl.wordpress.com/2011/08/06/cve-2011-2702-eglibc-and-glibc-signedness-issue/",
        "https://bugzilla.novell.com/show_bug.cgi?id=706915",
        "https://sourceware.org/git/?p=glibc.git%3Ba=commit%3Bh=a0ac24d98ace90d1ccba6a2f3e7d55600f2fdb6e"
    ]
}