CVE-2023-33613: Axtls Project Axtls

Medium severity, CVSS 5.5. EPSS: 0.3% chance of exploitation in the next 30 days.

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.

Affected products

• Axtls Project Axtls: version 2.1.5 only

Published 2023-06-06. Last modified 2026-06-17.