{"id":"UBUNTU-CVE-2015-8036","details":"Heap-based buffer overflow in ARM mbed TLS (formerly PolarSSL) 1.3.x before 1.3.14 and 2.x before 2.1.2 allows remote SSL servers to cause a denial of service (client crash) and possibly execute arbitrary code via a long session ticket name to the session ticket extension, which is not properly handled when creating a ClientHello message to resume a session.  NOTE: this identifier was SPLIT from CVE-2015-5291 per ADT3 due to different affected version ranges.","modified":"2025-07-16T07:33:28.425166Z","published":"2015-11-02T19:59:00Z","withdrawn":"2025-07-18T16:43:18Z","upstream":["CVE-2015-8036"],"references":[{"type":"REPORT","url":"https://ubuntu.com/security/CVE-2015-8036"},{"type":"REPORT","url":"https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2015-01"},{"type":"REPORT","url":"https://guidovranken.wordpress.com/2015/10/07/cve-2015-5291/"},{"type":"REPORT","url":"https://guidovranken.files.wordpress.com/2015/10/cve-2015-5291.pdf"},{"type":"REPORT","url":"http://lists.fedoraproject.org/pipermail/package-announce/2015-October/169625.html"},{"type":"REPORT","url":"https://www.cve.org/CVERecord?id=CVE-2015-8036"}],"affected":[{"package":{"name":"mbedtls","ecosystem":"Ubuntu:16.04:LTS","purl":"pkg:deb/ubuntu/mbedtls@2.2.1-2?arch=source&distro=xenial"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"2.2.1-2"}]}],"versions":["2.1.2-1","2.2.0-1","2.2.1-1"],"ecosystem_specific":{"availability":"No subscription required","binaries":[{"binary_name":"libmbedcrypto0","binary_version":"2.2.1-2"},{"binary_name":"libmbedcrypto0-dbgsym","binary_version":"2.2.1-2"},{"binary_name":"libmbedtls-dev","binary_version":"2.2.1-2"},{"binary_name":"libmbedtls-doc","binary_version":"2.2.1-2"},{"binary_name":"libmbedtls10","binary_version":"2.2.1-2"},{"binary_name":"libmbedtls10-dbgsym","binary_version":"2.2.1-2"},{"binary_name":"libmbedx509-0","binary_version":"2.2.1-2"},{"binary_name":"libmbedx509-0-dbgsym","binary_version":"2.2.1-2"}]},"database_specific":{"source":"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2015/UBUNTU-CVE-2015-8036.json"}}],"schema_version":"1.7.3","severity":[{"type":"Ubuntu","score":"low"}]}