CVE-2015-3216 Race condition in n/a

What is CVE-2015-3216?

CVE-2015-3216 is a medium-severity vulnerability in Openssl Openssl, published on 7 Jul 2015. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

Race condition in a certain Red Hat patch to the PRNG lock implementation in the ssleay_rand_bytes function in OpenSSL, as distributed in openssl-1.0.1e-25.el7 in Red Hat Enterprise Linux (RHEL) 7 and other products, allows remote attackers to cause a denial of service (application crash) by establishing many TLS sessions to a multithreaded server, leading to use of a negative value for a certain length field.

Weakness: CWE-362, CWE-189

Which versions are affected by CVE-2015-3216?

It affects 2 products.

Products include Openssl Openssl, Redhat Enterprise Linux.

How do I fix CVE-2015-3216?

Apply the vendor's patch.

Is CVE-2015-3216 being exploited?

There is no known exploitation of CVE-2015-3216 in the wild and no public exploit code.

Other vulnerabilities in Openssl Openssl

• CVE-2009-3245 Null dereference in n/a Critical 10.0
• CVE-2006-3738 Memory corruption in n/a Critical 10.0
• CVE-2026-63073 Untrusted Sender DN Used as Format String in CMP Response Validation Critical 9.8
• CVE-2016-6309 Use after free in n/a Critical 9.8
• CVE-2016-0799 Integer overflow in n/a Critical 9.8

All Openssl Openssl vulnerabilities

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as GHSA-3522-gq68-vxp6.