CVE-2006-4343

Severity: medium (CVSS 4.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 19.4% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2006-09-28 · updated 2026-06-16
Weakness: CWE-476

Description

The get_server_hello function in the SSLv2 client code in OpenSSL 0.9.7 before 0.9.7l, 0.9.8 before 0.9.8d, and earlier versions allows remote servers to cause a denial of service (client crash) via unknown vectors that trigger a null pointer dereference.

Affected products

Canonical Ubuntu Linux: 5.04, 5.10, 6.06
Debian Linux: 3.1
OpenSSL: 0.9.7, 0.9.7a, 0.9.7b, 0.9.7c, 0.9.7d, 0.9.7e (+10)

References

http://docs.info.apple.com/article.html?artnum=304829
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01118771
http://issues.rpath.com/browse/RPL-613
http://itrc.hp.com/service/cki/docDisplay.do?docId=c00805100
http://itrc.hp.com/service/cki/docDisplay.do?docId=c00849540
http://kolab.org/security/kolab-vendor-notice-11.txt
http://lists.apple.com/archives/security-announce/2006/Nov/msg00001.html
http://lists.grok.org.uk/pipermail/full-disclosure/2006-September/049715.html
http://lists.vmware.com/pipermail/security-announce/2008/000008.html
http://marc.info/?l=bugtraq&m=130497311408250&w=2

Get alerted when CVE-2006-4343 or the next vulnerability affects your stack