{"id":"CVE-2023-40295","aliases":["EUVD-2023-44888","GHSA-v263-ghf9-h2rx"],"status":"published","title":"libboron in Boron 2.0.8 has a heap-based buffer overflow in ur_strInitUtf8 at string.c.","description":"libboron in Boron 2.0.8 has a heap-based buffer overflow in ur_strInitUtf8 at string.c.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00859,"percentile":0.58742,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2023-08-14T00:00:00Z","modified":"2026-10-28T02:30:47Z","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-2023-40295","tags":["advisory"]},{"url":"https://github.com/advisories/GHSA-v263-ghf9-h2rx"},{"url":"https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/40xxx/CVE-2023-40295.json","tags":["advisory"]}],"sources":{"cve":[{"id":"CVE-2023-40295","description":"libboron in Boron 2.0.8 has a heap-based buffer overflow in ur_strInitUtf8 at string.c.","status":"published","published":"2023-08-14T00:00:00Z","modified":"2024-10-09T14:54:36.631Z","updated_at":"2026-11-02T14:35:21.612665Z"}],"euvd":[{"id":"EUVD-2023-44888","description":"libboron in Boron 2.0.8 has a heap-based buffer overflow in ur_strInitUtf8 at string.c.","status":"published","published":"2023-08-14T00:00:00Z","modified":"2024-10-09T14:54:36Z","updated_at":"2026-11-03T00:27:43.39457Z"}],"ghsa":[{"id":"GHSA-v263-ghf9-h2rx","title":"libboron in Boron 2.0.8 has a heap-based buffer overflow in ur_strInitUtf8 at string.c.","description":"libboron in Boron 2.0.8 has a heap-based buffer overflow in ur_strInitUtf8 at string.c.","status":"published","published":"2023-08-14T06:30:21Z","modified":"2024-04-04T06:54:34Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:56:46.449942Z"}],"nvd":[{"id":"CVE-2023-40295","description":"libboron in Boron 2.0.8 has a heap-based buffer overflow in ur_strInitUtf8 at string.c.","status":"published","published":"2023-08-14T04:15:11.403Z","modified":"2026-06-17T06:17:07.497Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:08:22.812138Z"}],"osv":[{"id":"CVE-2023-40295","description":"libboron in Boron 2.0.8 has a heap-based buffer overflow in ur_strInitUtf8 at string.c.","status":"published","published":"2023-08-14T00:00:00Z","modified":"2026-10-28T02:30:47.816318403Z","updated_at":"2026-11-02T15:44:33.244128Z"}]}}