{"id":"CVE-2025-12771","aliases":["EUVD-2025-205433","GHSA-737v-mrx7-86p3"],"status":"published","title":"IBM Concert Software Improper Restriction of Operations within the Bounds of a Memory Buffer.","description":"IBM Concert 1.0.0 through 2.1.0 is vulnerable to a stack-based buffer overflow, caused by improper bounds checking. A local user could overflow the buffer and execute arbitrary code on the system.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.00163,"percentile":0.05575,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-119"],"published":"2025-12-26T13:01:23Z","modified":"2026-11-08T02:47:22Z","products":[{"vendor":"ibm","product":"concert"}],"references":[{"url":"https://www.ibm.com/support/pages/node/7255549","tags":["vendor-advisory","patch","Vendor Advisory","advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2025-12771"},{"url":"https://github.com/advisories/GHSA-737v-mrx7-86p3"}],"sources":{"cve":[{"id":"CVE-2025-12771","title":"IBM Concert Software Improper Restriction of Operations within the Bounds of a Memory Buffer.","description":"IBM Concert 1.0.0 through 2.1.0 is vulnerable to a stack-based buffer overflow, caused by improper bounds checking. A local user could overflow the buffer and execute arbitrary code on the system.","status":"published","published":"2025-12-26T13:01:23.145Z","modified":"2026-02-26T16:07:23.967Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:32:41.743125Z"}],"euvd":[{"id":"EUVD-2025-205433","description":"IBM Concert 1.0.0 through 2.1.0 is vulnerable to a stack-based buffer overflow, caused by improper bounds checking. A local user could overflow the buffer and execute arbitrary code on the system.","status":"published","published":"2025-12-26T13:01:23Z","modified":"2026-02-26T16:07:23Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T19:48:25.997368Z"}],"ghsa":[{"id":"GHSA-737v-mrx7-86p3","title":"IBM Concert 1.0.0 through 2.1.0 is vulnerable to a stack-based buffer overflow, caused by...","description":"IBM Concert 1.0.0 through 2.1.0 is vulnerable to a stack-based buffer overflow, caused by improper bounds checking. A local user could overflow the buffer and execute arbitrary code on the system.","status":"published","published":"2025-12-26T15:30:17Z","modified":"2025-12-26T15:30:23Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T15:05:22.620437Z"}],"nvd":[{"id":"CVE-2025-12771","description":"IBM Concert 1.0.0 through 2.1.0 is vulnerable to a stack-based buffer overflow, caused by improper bounds checking. A local user could overflow the buffer and execute arbitrary code on the system.","status":"published","published":"2025-12-26T13:15:45.407Z","modified":"2026-10-07T13:10:00.713Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-119"],"updated_at":"2026-11-02T14:11:53.683969Z"}],"osv":[{"id":"CVE-2025-12771","description":"IBM Concert 1.0.0 through 2.1.0 is vulnerable to a stack-based buffer overflow, caused by improper bounds checking. A local user could overflow the buffer and execute arbitrary code on the system.","status":"published","published":"2025-12-26T13:15:45.407Z","modified":"2026-11-08T02:47:22.103085817Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-08T02:57:30.447698Z"}]}}