{"id":"CVE-2012-2674","aliases":["EUVD-2012-2656","GHSA-r8vj-jm7q-q45c"],"status":"published","title":"Multiple integer overflows in the (1) chk_malloc, (2) leak_malloc, and (3) leak_memalign...","description":"Multiple integer overflows in the (1) chk_malloc, (2) leak_malloc, and (3) leak_memalign functions in libc/bionic/malloc_debug_leak.c in Bionic (libc) for Android, when libc.debug.malloc is set, make it easier for context-dependent attackers to perform memory-related attacks such as buffer overflows via a large size value, which causes less memory to be allocated than expected.","severity":{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.00794,"percentile":0.56625,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-189"],"published":"2012-07-25T19:00:00Z","modified":"2026-06-16T23:41:51Z","products":[{"vendor":"google","product":"bionic"}],"references":[{"url":"http://kqueue.org/blog/2012/03/05/memory-allocator-security-revisited/","tags":["x_refsource_MISC","x_transferred"]},{"url":"http://www.openwall.com/lists/oss-security/2012/06/05/1","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"http://www.openwall.com/lists/oss-security/2012/06/07/13","tags":["mailing-list","x_refsource_MLIST","x_transferred"]},{"url":"https://github.com/android/platform_bionic/commit/7f5aa4f35e23fd37425b3a5041737cdf58f87385","tags":["x_refsource_CONFIRM","x_transferred","Exploit","Patch"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2012-2674"},{"url":"http://kqueue.org/blog/2012/03/05/memory-allocator-security-revisited"},{"url":"https://github.com/advisories/GHSA-r8vj-jm7q-q45c"}],"sources":{"cve":[{"id":"CVE-2012-2674","description":"Multiple integer overflows in the (1) chk_malloc, (2) leak_malloc, and (3) leak_memalign functions in libc/bionic/malloc_debug_leak.c in Bionic (libc) for Android, when libc.debug.malloc is set, make it easier for context-dependent attackers to perform memory-related attacks such as buffer overflows via a large size value, which causes less memory to be allocated than expected.","status":"published","published":"2012-07-25T19:00:00Z","modified":"2024-09-17T01:01:47.013Z","updated_at":"2026-11-02T14:34:49.937255Z"}],"euvd":[{"id":"EUVD-2012-2656","description":"Multiple integer overflows in the (1) chk_malloc, (2) leak_malloc, and (3) leak_memalign functions in libc/bionic/malloc_debug_leak.c in Bionic (libc) for Android, when libc.debug.malloc is set, make it easier for context-dependent attackers to perform memory-related attacks such as buffer overflows via a large size value, which causes less memory to be allocated than expected.","status":"published","published":"2012-07-25T19:00:00Z","modified":"2024-09-17T01:01:47Z","updated_at":"2026-11-03T00:28:53.686001Z"}],"ghsa":[{"id":"GHSA-r8vj-jm7q-q45c","title":"Multiple integer overflows in the (1) chk_malloc, (2) leak_malloc, and (3) leak_memalign...","description":"Multiple integer overflows in the (1) chk_malloc, (2) leak_malloc, and (3) leak_memalign functions in libc/bionic/malloc_debug_leak.c in Bionic (libc) for Android, when libc.debug.malloc is set, make it easier for context-dependent attackers to perform memory-related attacks such as buffer overflows via a large size value, which causes less memory to be allocated than expected.","status":"published","published":"2022-05-17T05:25:08Z","modified":"2025-04-11T04:00:47Z","updated_at":"2026-11-02T15:01:11.561612Z"}],"nvd":[{"id":"CVE-2012-2674","description":"Multiple integer overflows in the (1) chk_malloc, (2) leak_malloc, and (3) leak_memalign functions in libc/bionic/malloc_debug_leak.c in Bionic (libc) for Android, when libc.debug.malloc is set, make it easier for context-dependent attackers to perform memory-related attacks such as buffer overflows via a large size value, which causes less memory to be allocated than expected.","status":"published","published":"2012-07-25T19:55:02.82Z","modified":"2026-06-16T23:41:51.34Z","cvss":[{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:P/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-189"],"updated_at":"2026-11-02T14:02:14.774945Z"}]}}