{"id":"CVE-2021-26635","aliases":["EUVD-2021-13429","GHSA-q857-c59w-xm8f"],"status":"published","title":"Bandisoft ARK Library buffer overflow vulnerability","description":"In the code that verifies the file size in the ark library, it is possible to manipulate the offset read from the target file due to the wrong use of the data type. An attacker could use this vulnerability to cause a stack buffer overflow and as a result, perform an attack such as remote code execution.","severity":{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna","from":"cve"},"epss":{"day":"2026-11-11","score":0.01226,"percentile":0.69212,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-121","CWE-787","CWE-843"],"published":"2022-06-01T15:04:52Z","modified":"2026-06-17T03:43:36Z","products":[{"vendor":"bandisoft","product":"ark_library"},{"vendor":"bandisoft international inc.","product":"ark library"}],"references":[{"url":"https://www.krcert.or.kr/krcert/secNoticeView.do?bulletin_writing_sequence=66747","tags":["x_refsource_MISC","x_transferred","Broken Link","Third Party Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2021-26635"},{"url":"https://github.com/advisories/GHSA-q857-c59w-xm8f"}],"sources":{"cve":[{"id":"CVE-2021-26635","title":"Bandisoft ARK Library buffer overflow vulnerability","description":"In the code that verifies the file size in the ark library, it is possible to manipulate the offset read from the target file due to the wrong use of the data type. An attacker could use this vulnerability to cause a stack buffer overflow and as a result, perform an attack such as remote code execution.","status":"published","published":"2022-06-01T15:04:52Z","modified":"2024-08-03T20:26:25.566Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"cna"}],"cwes":["CWE-121"],"updated_at":"2026-11-02T14:32:57.368269Z"}],"euvd":[{"id":"EUVD-2021-13429","description":"In the code that verifies the file size in the ark library, it is possible to manipulate the offset read from the target file due to the wrong use of the data type. An attacker could use this vulnerability to cause a stack buffer overflow and as a result, perform an attack such as remote code execution.","status":"published","published":"2022-06-01T15:04:52Z","modified":"2024-08-03T20:26:25Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-03T03:24:51.40664Z"}],"ghsa":[{"id":"GHSA-q857-c59w-xm8f","title":"In the code that verifies the file size in the ark library, it is possible to manipulate the...","description":"In the code that verifies the file size in the ark library, it is possible to manipulate the offset read from the target file due to the wrong use of the data type. An attacker could use this vulnerability to cause a stack buffer overflow and as a result, perform an attack such as remote code execution.","status":"published","published":"2022-06-03T00:00:58Z","modified":"2023-07-04T05:01:39Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-121","CWE-787","CWE-843"],"updated_at":"2026-11-02T14:54:40.485503Z"}],"nvd":[{"id":"CVE-2021-26635","description":"In the code that verifies the file size in the ark library, it is possible to manipulate the offset read from the target file due to the wrong use of the data type. An attacker could use this vulnerability to cause a stack buffer overflow and as a result, perform an attack such as remote code execution.","status":"published","published":"2022-06-02T14:15:28.307Z","modified":"2026-06-17T03:43:36.227Z","cvss":[{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"},{"version":"3.1","score":7.8,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"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-121","CWE-843"],"updated_at":"2026-11-02T14:07:06.501652Z"}]}}