CVE-2014-5139 Null dereference in n/a

What is CVE-2014-5139?

CVE-2014-5139 is a medium-severity vulnerability in Openssl Openssl, published on 13 Aug 2014. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

The ssl_set_client_disabled function in t1_lib.c in OpenSSL 1.0.1 before 1.0.1i allows remote SSL servers to cause a denial of service (NULL pointer dereference and client application crash) via a ServerHello message that includes an SRP ciphersuite without the required negotiation of that ciphersuite with the client.

Which versions are affected by CVE-2014-5139?

It affects 1 product.

Products include Openssl Openssl.

How do I fix CVE-2014-5139?

Upgrade to a fixed version.

Is CVE-2014-5139 being exploited?

There is no known exploitation of CVE-2014-5139 in the wild and no public exploit code.

Public exploit code: 2 proofs of concept on GitHub.

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 CVE-2014-2970, DEBIAN-CVE-2014-5139, GHSA-4wj2-rv2r-wj7f, UBUNTU-CVE-2014-5139.