High severity7.5NVD Advisory· Published Feb 9, 2017· Updated Jun 17, 2026
CVE-2016-9244
CVE-2016-9244
Description
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.
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Affected products
2- Range: 11.6.1 before 11.6.1 HF1 and 12.1.x before 12.1.2
Patches
Vulnerability mechanics
References
8- www.securitytracker.com/id/1037800nvdThird Party AdvisoryVDB Entry
- support.f5.com/csp/article/K05121675nvdMitigationVendor Advisory
- packetstormsecurity.com/files/141017/Ticketbleed-F5-TLS-Information-Disclosure.htmlnvd
- www.securityfocus.com/bid/96143nvd
- blog.filippo.io/finding-ticketbleed/nvd
- filippo.io/Ticketbleed/nvd
- github.com/0x00string/oldays/blob/master/CVE-2016-9244.pynvd
- www.exploit-db.com/exploits/41298/nvd
News mentions
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