Medium 4.3Published Sep 28, 2006

CVE-2006-4343The 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…

Updated under an hour ago (Nov 2, 2026, 1:40 AM ET)

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No exploitation reported and no EPSS estimate yet.

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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.

CVSS: 4.3 MEDIUM (v2.0, NVD)AV:N/AC:M/Au:N/C:N/I:N/A:P
Weakness (CWE): CWE-476
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: Not given
NVD analysis: Modified
Record last updated: Jun 16, 2026
First seen by InfoSec Signals: Nov 1, 2026

Affected products

Affected products

openssl openssl openssl:openssl	0.9.7; 0.9.7a; 0.9.7b; 0.9.7c; 0.9.7d; 0.9.7e; 0.9.7f; 0.9.7g; and 8 more ranges	NVD
debian debian_linux debian:debian_linux	3.1	NVD
canonical ubuntu_linux canonical:ubuntu_linux	5.04; 5.10; 6.06	NVD

References

References

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

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.