{"id":"CVE-2023-40294","aliases":["EUVD-2023-44887","GHSA-f7wx-wcmc-w4cj"],"status":"published","title":"libboron in Boron 2.0.8 has a heap-based buffer overflow in ur_parseBlockI at i_parse_blk.c.","description":"libboron in Boron 2.0.8 has a heap-based buffer overflow in ur_parseBlockI at i_parse_blk.c.","severity":{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00781,"percentile":0.56213,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":true,"fix_available":false},"cwes":["CWE-787"],"published":"2023-08-14T00:00:00Z","modified":"2026-10-28T02:30:21Z","exploits":[{"source":"pocgithub","id":"Halcy0nic/CVE-2023-40294-and-CVE-2023-40295","title":"Halcy0nic/CVE-2023-40294-and-CVE-2023-40295","date":"2023-08-14","url":"https://github.com/Halcy0nic/CVE-2023-40294-and-CVE-2023-40295"}],"products":[{"vendor":"0branch","product":"boron"}],"references":[{"url":"https://github.com/0branch/boron/issues/3","tags":["x_transferred","Exploit","Vendor Advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-40294","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-f7wx-wcmc-w4cj"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/40xxx/CVE-2023-40294.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-40294","description":"libboron in Boron 2.0.8 has a heap-based buffer overflow in ur_parseBlockI at i_parse_blk.c.","status":"published","published":"2023-08-14T00:00:00Z","modified":"2024-10-09T15:48:42.278Z","updated_at":"2026-11-02T14:35:22.309324Z"}],"euvd":[{"id":"EUVD-2023-44887","description":"libboron in Boron 2.0.8 has a heap-based buffer overflow in ur_parseBlockI at i_parse_blk.c.","status":"published","published":"2023-08-14T00:00:00Z","modified":"2024-10-09T15:48:42Z","updated_at":"2026-11-03T00:27:43.39457Z"}],"ghsa":[{"id":"GHSA-f7wx-wcmc-w4cj","title":"libboron in Boron 2.0.8 has a heap-based buffer overflow in ur_parseBlockI at i_parse_blk.c.","description":"libboron in Boron 2.0.8 has a heap-based buffer overflow in ur_parseBlockI at i_parse_blk.c.","status":"published","published":"2023-08-14T06:30:21Z","modified":"2024-04-04T06:54:31Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:56:46.449942Z"}],"nvd":[{"id":"CVE-2023-40294","description":"libboron in Boron 2.0.8 has a heap-based buffer overflow in ur_parseBlockI at i_parse_blk.c.","status":"published","published":"2023-08-14T04:15:11.337Z","modified":"2026-06-17T06:17:07.127Z","cvss":[{"version":"3.1","score":6.5,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:08:22.812138Z"}],"osv":[{"id":"CVE-2023-40294","description":"libboron in Boron 2.0.8 has a heap-based buffer overflow in ur_parseBlockI at i_parse_blk.c.","status":"published","published":"2023-08-14T00:00:00Z","modified":"2026-10-28T02:30:21.531946699Z","updated_at":"2026-11-02T15:44:33.244128Z"}]}}