{"id":"UBUNTU-CVE-2023-33613","details":"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.","modified":"2026-04-22T14:06:45.203605Z","published":"2023-06-06T18:15:00Z","upstream":["CVE-2023-33613"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2023-33613"},{"type":"REPORT","url":"https://sourceforge.net/p/axtls/mailman/message/37843071/"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2023-33613"}],"affected":[{"package":{"name":"axtls","ecosystem":"Ubuntu:20.04:LTS","purl":"pkg:deb/ubuntu/axtls@2.1.5+ds-1?arch=source&distro=focal"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.1.5+ds-1"],"ecosystem_specific":{"binaries":[{"binary_name":"axhttpd","binary_version":"2.1.5+ds-1"},{"binary_name":"libaxtls1","binary_version":"2.1.5+ds-1"},{"binary_name":"libaxtlsp-perl","binary_version":"2.1.5+ds-1"},{"binary_name":"lua-axtlsl","binary_version":"2.1.5+ds-1"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-33613.json"}},{"package":{"name":"axtls","ecosystem":"Ubuntu:22.04:LTS","purl":"pkg:deb/ubuntu/axtls@2.1.5+ds-1build2?arch=source&distro=jammy"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"}]}],"versions":["2.1.5+ds-1build1","2.1.5+ds-1build2"],"ecosystem_specific":{"binaries":[{"binary_name":"axhttpd","binary_version":"2.1.5+ds-1build2"},{"binary_name":"libaxtls1","binary_version":"2.1.5+ds-1build2"},{"binary_version":"2.1.5+ds-1build2","binary_name":"libaxtlsp-perl"},{"binary_name":"lua-axtlsl","binary_version":"2.1.5+ds-1build2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-33613.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}