{"id":"CVE-2023-33613","aliases":["EUVD-2023-37769","GHSA-3485-35jp-jwmx","UBUNTU-CVE-2023-33613"],"status":"published","title":"axTLS v2.1.5 was discovered to contain a heap buffer overflow in the bi_import function in axtls...","description":"axTLS v2.1.5 was discovered to contain a heap buffer overflow in the bi_import function in axtls-code/crypto/bigint.c. This vulnerability allows attackers to cause a Denial of Service (DoS) when parsing a private key.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-10","score":0.003,"percentile":0.2296,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-787"],"published":"2023-06-06T00:00:00Z","modified":"2026-06-17T06:01:58Z","affected":[{"source":"osv","ecosystem":"Ubuntu:20.04:LTS","package":"axtls","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.1.5+ds-1"]},{"source":"osv","ecosystem":"Ubuntu:22.04:LTS","package":"axtls","ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.1.5+ds-1build1","2.1.5+ds-1build2"]}],"products":[{"vendor":"axtls_project","product":"axtls"}],"references":[{"url":"https://sourceforge.net/p/axtls/mailman/message/37843071/","tags":["x_transferred","Exploit","Mailing List","Third Party Advisory","report"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-33613"},{"url":"https://sourceforge.net/p/axtls/mailman/message/37843071"},{"url":"https://github.com/advisories/GHSA-3485-35jp-jwmx"},{"url":"https://ubuntu.com/security/CVE-2023-33613","tags":["report"]},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-33613","tags":["report"]}],"sources":{"cve":[{"id":"CVE-2023-33613","description":"axTLS v2.1.5 was discovered to contain a heap buffer overflow in the bi_import function in axtls-code/crypto/bigint.c. This vulnerability allows attackers to cause a Denial of Service (DoS) when parsing a private key.","status":"published","published":"2023-06-06T00:00:00Z","modified":"2025-01-08T16:17:25.388Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"adp"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:35:34.170609Z"}],"euvd":[{"id":"EUVD-2023-37769","description":"axTLS v2.1.5 was discovered to contain a heap buffer overflow in the bi_import function in axtls-code/crypto/bigint.c. This vulnerability allows attackers to cause a Denial of Service (DoS) when parsing a private key.","status":"published","published":"2023-06-06T00:00:00Z","modified":"2025-01-08T16:17:25Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-03T00:04:23.880435Z"}],"ghsa":[{"id":"GHSA-3485-35jp-jwmx","title":"axTLS v2.1.5 was discovered to contain a heap buffer overflow in the bi_import function in axtls...","description":"axTLS v2.1.5 was discovered to contain a heap buffer overflow in the bi_import function in axtls-code/crypto/bigint.c. This vulnerability allows attackers to cause a Denial of Service (DoS) when parsing a private key.","status":"published","published":"2023-06-06T18:30:20Z","modified":"2024-04-11T21:19:02Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:57:10.253701Z"}],"nvd":[{"id":"CVE-2023-33613","description":"axTLS v2.1.5 was discovered to contain a heap buffer overflow in the bi_import function in axtls-code/crypto/bigint.c. This vulnerability allows attackers to cause a Denial of Service (DoS) when parsing a private key.","status":"published","published":"2023-06-06T18:15:11.357Z","modified":"2026-06-17T06:01:58.643Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"secondary"}],"cwes":["CWE-787"],"updated_at":"2026-11-02T14:08:05.329837Z"}],"osv":[{"id":"UBUNTU-CVE-2023-33613","description":"axTLS v2.1.5 was discovered to contain a heap buffer overflow in the bi_import function in axtls-code/crypto/bigint.c. This vulnerability allows attackers to cause a Denial of Service (DoS) when parsing a private key.","status":"published","published":"2023-06-06T18:15:00Z","modified":"2026-04-22T14:06:45.203605Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"},{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium"}],"updated_at":"2026-11-02T16:54:20.997471Z"}]}}