CVE-2010-2939
openssl - double free
EPSS 10.3%
Description
Double free vulnerability in the ssl3_get_key_exchange function in the OpenSSL client (ssl/s3_clnt.c) in OpenSSL 1.0.0a, 0.9.8, 0.9.7, and possibly other versions, when using ECDH, allows context-dependent attackers to cause a denial of service (crash) and possibly execute arbitrary code via a crafted private key with an invalid prime. NOTE: some sources refer to this as a use-after-free issue.
How to fix CVE-2010-2939
To remediate CVE-2010-2939, upgrade the affected package to a fixed version below.
- Debian/openssl—upgrade to 0.9.8o-2 or later
- —upgrade to 0.9.8g-15+lenny8 or later
Is CVE-2010-2939 being exploited?
Moderate — EPSS is 10.3%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (2)
- from 0, < 0.9.8o-2
- from 0, < 0.9.8g-15+lenny8