{"id":"UBUNTU-CVE-2019-10013","details":"The asn1_signature function in asn1.c in Cameron Hamilton-Rich axTLS through 2.1.5 has a Buffer Overflow that allows remote attackers to cause a denial of service (memory and CPU consumption) via a crafted certificate in the TLS certificate handshake message, because the result of get_asn1_length() is not checked for a minimum or maximum size.","modified":"2026-04-22T12:05:44.686454Z","published":"2019-12-03T20:15:00Z","upstream":["CVE-2019-10013"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2019-10013"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2019-10013"}],"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_version":"2.1.5+ds-1","binary_name":"axhttpd"},{"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/2019/UBUNTU-CVE-2019-10013.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_name":"libaxtlsp-perl","binary_version":"2.1.5+ds-1build2"},{"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/2019/UBUNTU-CVE-2019-10013.json"}}],"schema_version":"1.7.5","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"},{"type":"Ubuntu","score":"medium"}]}