{"id":"CVE-2011-2702","aliases":["EUVD-2011-2683","GHSA-r955-5974-3x3p"],"status":"published","title":"Integer signedness error in Glibc before 2.13 and eglibc before 2.13, when using Supplemental...","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.","severity":{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-08","score":0.08458,"percentile":0.95049,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-94"],"published":"2014-10-27T20:00:00Z","modified":"2026-06-16T23:31:49Z","exploits":[{"source":"exploitdb","id":"EDB-20167","title":"eGlibc - Signedness Code Execution","type":"dos","platform":"linux","date":"2012-08-01","verified":true,"url":"https://www.exploit-db.com/exploits/20167"}],"products":[{"vendor":"gnu","product":"eglibc"},{"vendor":"gnu","product":"glibc"}],"references":[{"url":"https://bugzilla.novell.com/show_bug.cgi?id=706915","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://seclists.org/oss-sec/2011/q3/123","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"http://xorl.wordpress.com/2011/08/06/cve-2011-2702-eglibc-and-glibc-signedness-issue/","tags":["x_refsource_MISC","x_transferred","Exploit"]},{"url":"http://www.nodefense.org/eglibc.txt","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://seclists.org/oss-sec/2011/q3/153","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"https://sourceware.org/git/?p=glibc.git%3Ba=commit%3Bh=a0ac24d98ace90d1ccba6a2f3e7d55600f2fdb6e","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"http://www.osvdb.org/80718","tags":["vdb-entry","x_refsource_OSVDB","x_transferred"]},{"url":"http://www.eglibc.org/cgi-bin/viewvc.cgi/trunk/libc/ChangeLog?view=markup\u0026pathrev=10032","tags":["x_refsource_CONFIRM","x_transferred"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2011-2702"},{"url":"https://sourceware.org/git/?p=glibc.git;a=commit;h=a0ac24d98ace90d1ccba6a2f3e7d55600f2fdb6e"},{"url":"http://xorl.wordpress.com/2011/08/06/cve-2011-2702-eglibc-and-glibc-signedness-issue"},{"url":"https://github.com/advisories/GHSA-r955-5974-3x3p"}],"sources":{"cve":[{"id":"CVE-2011-2702","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.","status":"published","published":"2014-10-27T20:00:00Z","modified":"2024-08-06T23:08:23.737Z","updated_at":"2026-11-02T14:35:36.603688Z"}],"euvd":[{"id":"EUVD-2011-2683","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.","status":"published","published":"2014-10-27T20:00:00Z","modified":"2024-08-06T23:08:23Z","updated_at":"2026-11-03T01:39:54.68331Z"}],"ghsa":[{"id":"GHSA-r955-5974-3x3p","title":"Integer signedness error in Glibc before 2.13 and eglibc before 2.13, when using Supplemental...","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.","status":"published","published":"2022-05-17T04:30:19Z","modified":"2025-04-12T12:42:21Z","cwes":["CWE-94"],"updated_at":"2026-11-02T15:01:19.407948Z"}],"nvd":[{"id":"CVE-2011-2702","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.","status":"published","published":"2014-10-27T20:55:22.313Z","modified":"2026-06-16T23:31:49.843Z","cvss":[{"version":"2.0","score":6.8,"vector":"AV:N/AC:M/Au:N/C:P/I:P/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-94"],"updated_at":"2026-11-02T14:02:12.639283Z"}]}}