{"id":"UBUNTU-CVE-2015-0286","details":"The ASN1_TYPE_cmp function in crypto/asn1/a_type.c in OpenSSL before 0.9.8zf, 1.0.0 before 1.0.0r, 1.0.1 before 1.0.1m, and 1.0.2 before 1.0.2a does not properly perform boolean-type comparisons, which allows remote attackers to cause a denial of service (invalid read operation and application crash) via a crafted X.509 certificate to an endpoint that uses the certificate-verification feature.","modified":"2026-04-22T09:59:16.686107Z","published":"2015-03-17T00:00:00Z","related":["USN-2537-1"],"upstream":["CVE-2015-0286"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2015-0286"},{"type":"ADVISORY","url":"https://ubuntu.com/security/notices/USN-2537-1"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2015-0286"}],"affected":[{"package":{"name":"openssl","ecosystem":"Ubuntu:14.04:LTS","purl":"pkg:deb/ubuntu/openssl@1.0.1f-1ubuntu2.11?arch=source&distro=trusty"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.0.1f-1ubuntu2.11"}]}],"versions":["1.0.1e-3ubuntu1","1.0.1e-4ubuntu1","1.0.1e-4ubuntu2","1.0.1e-4ubuntu3","1.0.1e-4ubuntu4","1.0.1f-1ubuntu1","1.0.1f-1ubuntu2","1.0.1f-1ubuntu2.1","1.0.1f-1ubuntu2.2","1.0.1f-1ubuntu2.3","1.0.1f-1ubuntu2.4","1.0.1f-1ubuntu2.5","1.0.1f-1ubuntu2.7","1.0.1f-1ubuntu2.8"],"ecosystem_specific":{"binaries":[{"binary_name":"libssl1.0.0","binary_version":"1.0.1f-1ubuntu2.11"},{"binary_name":"openssl","binary_version":"1.0.1f-1ubuntu2.11"}],"availability":"No subscription required"},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2015/UBUNTU-CVE-2015-0286.json"}}],"schema_version":"1.7.5","severity":[{"type":"Ubuntu","score":"medium"}]}