CVE-2014-3509 Race condition in n/a

What is CVE-2014-3509?

CVE-2014-3509 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

Race condition in the ssl_parse_serverhello_tlsext function in t1_lib.c in OpenSSL 1.0.0 before 1.0.0n and 1.0.1 before 1.0.1i, when multithreading and session resumption are used, allows remote SSL servers to cause a denial of service (memory overwrite and client application crash) or possibly have unspecified other impact by sending Elliptic Curve (EC) Supported Point Formats Extension data.

Weakness: CWE-362

Which versions are affected by CVE-2014-3509?

It affects 1 product.

Products include Openssl Openssl.

How do I fix CVE-2014-3509?

Upgrade to a fixed version.

Is CVE-2014-3509 being exploited?

There is no known exploitation of CVE-2014-3509 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 DEBIAN-CVE-2014-3509, GHSA-6353-qghw-q8mp, UBUNTU-CVE-2014-3509.