CVE-2016-9244
HIGHEPSS 99th pctlDescription
A BIG-IP virtual server configured with a Client SSL profile that has the non-default Session Tickets option enabled may leak up to 31 bytes of uninitialized memory. A remote attacker may exploit this vulnerability to obtain Secure Sockets Layer (SSL) session IDs from other sessions. It is possible that other data from uninitialized memory may be returned as well.
CVSS v3 Vector
Exploitability
Impact
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Exploit Intelligence
Very high risk: more likely to be exploited than 99% of all known CVEs.
References
- http://packetstormsecurity.com/files/141017/Ticketbleed-F5-TLS-Information-Disclosure.html
- http://www.securityfocus.com/bid/96143
- http://www.securitytracker.com/id/1037800
- https://blog.filippo.io/finding-ticketbleed/
- https://filippo.io/Ticketbleed/
- https://github.com/0x00string/oldays/blob/master/CVE-2016-9244.py
- https://support.f5.com/csp/article/K05121675
- https://www.exploit-db.com/exploits/41298/
Find and fix vulnerabilities across your fleet
TridentStack Control continuously scans your Windows, macOS, and Linux fleet for known vulnerabilities, prioritizes them by severity and active exploitation, and patches them automatically.
Start freeThis product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-05-13.