{"id":"CVE-2026-56911","aliases":["A-508727728","EUVD-2026-122720","GHSA-8362-5wvg-wq87","PUB-A-508727728"],"status":"published","title":"In handle_fips_hmac_req of hwcrypto_proxy.c, there is a possible heap buffer overflow due to...","description":"In handle_fips_hmac_req of hwcrypto_proxy.c, there is a possible heap buffer overflow due to missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.","severity":{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00101,"percentile":0.0089,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":true},"cwes":["CWE-119"],"published":"2026-11-01T00:00:00Z","modified":"2026-11-11T01:03:33Z","fixes":[{"ecosystem":"Android","package":":unknown:","fixed_in":["Pixel-family specific:2026-11-05"],"sources":["osv"]}],"affected":[{"source":"osv","ecosystem":"Android","package":":unknown:","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"Pixel-family specific:0"},{"fixed":"Pixel-family specific:2026-11-05"}]}],"versions":["Pixel-family specific"]}],"products":[{"vendor":"google","product":"android"}],"references":[{"url":"https://source.android.com/docs/security/bulletin/pixel/2026/2026-11-01"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-56911"},{"url":"https://github.com/advisories/GHSA-8362-5wvg-wq87"},{"url":"https://source.android.com/security/bulletin/2026-11-01","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2026-56911","description":"In handle_fips_hmac_req of hwcrypto_proxy.c, there is a possible heap buffer overflow due to missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2026-11-10T19:20:35.087Z","modified":"2026-11-11T04:58:15.67Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"adp"}],"cwes":["CWE-119"],"updated_at":"2026-11-11T02:51:57.961625Z"}],"euvd":[{"id":"EUVD-2026-122720","description":"In handle_fips_hmac_req of hwcrypto_proxy.c, there is a possible heap buffer overflow due to missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2026-11-10T19:20:35Z","modified":"2026-11-11T04:58:15Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"updated_at":"2026-11-11T02:26:11.92131Z"}],"ghsa":[{"id":"GHSA-8362-5wvg-wq87","title":"In handle_fips_hmac_req of hwcrypto_proxy.c, there is a possible heap buffer overflow due to...","description":"In handle_fips_hmac_req of hwcrypto_proxy.c, there is a possible heap buffer overflow due to missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2026-11-10T21:34:32Z","modified":"2026-11-11T03:35:29Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium"}],"cwes":["CWE-119"],"updated_at":"2026-11-11T04:01:27.974473Z"}],"nvd":[{"id":"CVE-2026-56911","description":"In handle_fips_hmac_req of hwcrypto_proxy.c, there is a possible heap buffer overflow due to missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2026-11-10T20:19:15.023Z","modified":"2026-11-11T05:19:47.033Z","cvss":[{"version":"3.1","score":6.7,"vector":"CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-119"],"updated_at":"2026-11-11T07:23:51.574999Z"}],"osv":[{"id":"PUB-A-508727728","description":"In handle_fips_hmac_req of hwcrypto_proxy.c, there is a possible heap buffer overflow due to missing bounds check. This could lead to local escalation of privilege with System execution privileges needed. User interaction is not needed for exploitation.","status":"published","published":"2026-11-01T00:00:00Z","modified":"2026-11-10T17:02:23.040266809Z","updated_at":"2026-11-10T17:35:09.118123Z"}]}}