CVE-2006-3738

Buffer overflow in the SSL_get_shared_ciphers function in OpenSSL 0.9.7 before 0.9.7l, 0.9.8 before 0.9.8d, and earlier versions has unspecified impact and remote attack vectors involving a long list of ciphers.

Published: 2006-09-28 Last update: 2026-04-23 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2006-3738 is rated High Risk (69.5/100): CVSS Critical severity, with high exploitation likelihood (EPSS 47.69%, 99th percentile). Core evidence: EPSS ranks this CVE among the most likely to be exploited in the near term. Mandatory action: High exploitation likelihood—assess exposure and prioritize remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2006-3738

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 53.74% 47.69% -6.05%
2 2026-03-28 54.31% 53.74% -0.57%
3 2026-03-21 54.31%

Full EPSS history (25 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2006-3738

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
10.0 2.0 HIGH
AV:N/AC:L/Au:N/C:C/I:C/A:C Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:C)
Complete confidentiality impact.
Integrity impact (I:C)
Complete integrity impact.
Availability impact (A:C)
Complete availability impact.
10.0 10.0 [email protected]

Weakness enumeration for CVE-2006-3738

OS Trackers for CVE-2006-3738

vendor priority summary link
alpine CVE-2006-3738: no source package rows; 0 state rows across 0 repos (none); fixed 0, open 0. https://security.alpinelinux.org/vuln/CVE-2006-3738
debian not yet assigned CVE-2006-3738 not yet assigned priority: Debian including 1 source packages (openssl), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2006-3738
gentoo high CVE-2006-3738: 3 GLSA(s) (200610-11, 200612-11, 200710-06), 2 atom(s) (app-emulation/emul-linux-x86-baselibs, dev-libs/openssl); latest impact high. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2006-3738
redhat high https://access.redhat.com/security/cve/CVE-2006-3738
suse critical CVE-2006-3738 severity critical: SUSE including 81 source package names (compat-openssl098, libopenssl-1_0_0-devel, …), 304 product×package rows across 49 product lines (HPE Helion OpenStack 8, SUSE CaaS Platform 4.0, … (49 product lines)): Known Not Affected 246, Fixed 58. https://www.suse.com/security/cve/CVE-2006-3738/
ubuntu medium CVE-2006-3738 medium priority: Ubuntu including 2 source packages (openssl, openssl097), 8 status rows across 4 suites (dapper, edgy, feisty, upstream): released 6, needs-triage 2. https://ubuntu.com/security/CVE-2006-3738

NVD evaluator notes for CVE-2006-3738

Solution: Failed exploit attempts may crash applications, denying service to legitimate users.

Vendor comments (NVD) for CVE-2006-3738

  • Red Hat (2007-03-14T00:00:00)

    Red Hat Enterprise Linux 5 is not vulnerable to this issue as it contains a backported patch.

Affected software / configurations for CVE-2006-3738

Vendor Product Version Raw CPE
openssl openssl 0.9.7 cpe:2.3:a:openssl:openssl:0.9.7:*:*:*:*:*:*:*
openssl openssl 0.9.7a cpe:2.3:a:openssl:openssl:0.9.7a:*:*:*:*:*:*:*
openssl openssl 0.9.7b cpe:2.3:a:openssl:openssl:0.9.7b:*:*:*:*:*:*:*
openssl openssl 0.9.7c cpe:2.3:a:openssl:openssl:0.9.7c:*:*:*:*:*:*:*
openssl openssl 0.9.7d cpe:2.3:a:openssl:openssl:0.9.7d:*:*:*:*:*:*:*
openssl openssl 0.9.7e cpe:2.3:a:openssl:openssl:0.9.7e:*:*:*:*:*:*:*
openssl openssl 0.9.7f cpe:2.3:a:openssl:openssl:0.9.7f:*:*:*:*:*:*:*
openssl openssl 0.9.7g cpe:2.3:a:openssl:openssl:0.9.7g:*:*:*:*:*:*:*
openssl openssl 0.9.7h cpe:2.3:a:openssl:openssl:0.9.7h:*:*:*:*:*:*:*
openssl openssl 0.9.7i cpe:2.3:a:openssl:openssl:0.9.7i:*:*:*:*:*:*:*
openssl openssl 0.9.7j cpe:2.3:a:openssl:openssl:0.9.7j:*:*:*:*:*:*:*
openssl openssl 0.9.7k cpe:2.3:a:openssl:openssl:0.9.7k:*:*:*:*:*:*:*
openssl openssl 0.9.8 cpe:2.3:a:openssl:openssl:0.9.8:*:*:*:*:*:*:*
openssl openssl 0.9.8a cpe:2.3:a:openssl:openssl:0.9.8a:*:*:*:*:*:*:*
openssl openssl 0.9.8b cpe:2.3:a:openssl:openssl:0.9.8b:*:*:*:*:*:*:*
openssl openssl 0.9.8c cpe:2.3:a:openssl:openssl:0.9.8c:*:*:*:*:*:*:*

References for CVE-2006-3738

URL Tags
ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2008-007.txt.asc
ftp://patches.sgi.com/support/free/security/advisories/20061001-01-P.asc
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 Patch
http://lists.apple.com/archives/security-announce/2006/Nov/msg00001.html
http://lists.grok.org.uk/pipermail/full-disclosure/2006-September/049715.html Patch
http://marc.info/?l=bugtraq&m=130497311408250&w=2
http://openbsd.org/errata.html#openssl2 Patch
http://openvpn.net/changelog.html Patch
http://secunia.com/advisories/22094 Patch Vendor Advisory
http://secunia.com/advisories/22116 Patch Vendor Advisory
http://secunia.com/advisories/22130 Patch Vendor Advisory
http://secunia.com/advisories/22165 Patch Vendor Advisory
http://secunia.com/advisories/22166 Patch Vendor Advisory
http://secunia.com/advisories/22172 Patch Vendor Advisory
http://secunia.com/advisories/22186 Patch Vendor Advisory
http://secunia.com/advisories/22193 Patch Vendor Advisory
http://secunia.com/advisories/22207 Patch Vendor Advisory
http://secunia.com/advisories/22212 Patch Vendor Advisory
http://secunia.com/advisories/22216 Patch Vendor Advisory
http://secunia.com/advisories/22220 Patch Vendor Advisory
http://secunia.com/advisories/22240 Patch Vendor Advisory
http://secunia.com/advisories/22259 Patch Vendor Advisory
http://secunia.com/advisories/22260 Patch Vendor Advisory
http://secunia.com/advisories/22284 Patch Vendor Advisory
http://secunia.com/advisories/22298
http://secunia.com/advisories/22330 Patch Vendor Advisory
http://secunia.com/advisories/22385
http://secunia.com/advisories/22460
http://secunia.com/advisories/22487
http://secunia.com/advisories/22500
http://secunia.com/advisories/22544
http://secunia.com/advisories/22626
http://secunia.com/advisories/22633
http://secunia.com/advisories/22654
http://secunia.com/advisories/22758
http://secunia.com/advisories/22772
http://secunia.com/advisories/22791
http://secunia.com/advisories/22799
http://secunia.com/advisories/23038
http://secunia.com/advisories/23155
http://secunia.com/advisories/23280
http://secunia.com/advisories/23309
http://secunia.com/advisories/23340
http://secunia.com/advisories/23680
http://secunia.com/advisories/23794
http://secunia.com/advisories/23915
http://secunia.com/advisories/24930
http://secunia.com/advisories/24950
http://secunia.com/advisories/25889
http://secunia.com/advisories/26329
http://secunia.com/advisories/30124
http://secunia.com/advisories/30161
http://secunia.com/advisories/31492
http://security.freebsd.org/advisories/FreeBSD-SA-06:23.openssl.asc Patch Vendor Advisory
http://security.gentoo.org/glsa/glsa-200610-11.xml
http://securitytracker.com/id?1016943 Patch
http://securitytracker.com/id?1017522
http://slackware.com/security/viewer.php?l=slackware-security&y=2006&m=slackware-security.676946 Patch
http://sourceforge.net/project/shownotes.php?release_id=461863&group_id=69227
http://sunsolve.sun.com/search/document.do?assetkey=1-26-102668-1 Patch
http://sunsolve.sun.com/search/document.do?assetkey=1-26-102711-1
http://sunsolve.sun.com/search/document.do?assetkey=1-66-201531-1
http://support.avaya.com/elmodocs2/security/ASA-2006-220.htm
http://support.avaya.com/elmodocs2/security/ASA-2006-260.htm
http://www.cisco.com/en/US/products/hw/contnetw/ps4162/tsd_products_security_response09186a008077af1b.html
http://www.cisco.com/warp/public/707/cisco-sr-20061108-openssl.shtml
http://www.debian.org/security/2006/dsa-1185 Patch
http://www.debian.org/security/2006/dsa-1195 Patch Vendor Advisory
http://www.gentoo.org/security/en/glsa/glsa-200612-11.xml
http://www.gentoo.org/security/en/glsa/glsa-200805-07.xml
http://www.kb.cert.org/vuls/id/547300 US Government Resource
http://www.mandriva.com/security/advisories?name=MDKSA-2006:172
http://www.mandriva.com/security/advisories?name=MDKSA-2006:177
http://www.mandriva.com/security/advisories?name=MDKSA-2006:178
http://www.novell.com/linux/security/advisories/2006_24_sr.html Patch Vendor Advisory
http://www.novell.com/linux/security/advisories/2006_58_openssl.html Patch Vendor Advisory
http://www.openpkg.org/security/advisories/OpenPKG-SA-2006.021-openssl.html Patch Vendor Advisory
http://www.openssl.org/news/secadv_20060928.txt
http://www.oracle.com/technetwork/topics/security/cpujan2007-101493.html
http://www.osvdb.org/29262 Patch
http://www.redhat.com/support/errata/RHSA-2006-0695.html Patch
http://www.redhat.com/support/errata/RHSA-2008-0629.html
http://www.securityfocus.com/archive/1/447318/100/0/threaded
http://www.securityfocus.com/archive/1/447393/100/0/threaded
http://www.securityfocus.com/archive/1/456546/100/200/threaded
http://www.securityfocus.com/archive/1/470460/100/0/threaded
http://www.securityfocus.com/bid/20249 Patch
http://www.securityfocus.com/bid/22083
http://www.serv-u.com/releasenotes/
http://www.trustix.org/errata/2006/0054 Patch
http://www.ubuntu.com/usn/usn-353-1 Patch
http://www.us-cert.gov/cas/techalerts/TA06-333A.html US Government Resource
http://www.vmware.com/support/esx2/doc/esx-202-200612-patch.html
http://www.vmware.com/support/esx21/doc/esx-213-200612-patch.html
http://www.vmware.com/support/esx25/doc/esx-253-200612-patch.html
http://www.vmware.com/support/esx25/doc/esx-254-200612-patch.html
http://www.vmware.com/support/vi3/doc/esx-3069097-patch.html
http://www.vmware.com/support/vi3/doc/esx-9986131-patch.html
http://www.vupen.com/english/advisories/2006/3820
http://www.vupen.com/english/advisories/2006/3860
http://www.vupen.com/english/advisories/2006/3869
http://www.vupen.com/english/advisories/2006/3902
http://www.vupen.com/english/advisories/2006/3936
http://www.vupen.com/english/advisories/2006/4036
http://www.vupen.com/english/advisories/2006/4264
http://www.vupen.com/english/advisories/2006/4314
http://www.vupen.com/english/advisories/2006/4401
http://www.vupen.com/english/advisories/2006/4417
http://www.vupen.com/english/advisories/2006/4443
http://www.vupen.com/english/advisories/2006/4750
http://www.vupen.com/english/advisories/2007/0343
http://www.vupen.com/english/advisories/2007/1401
http://www.vupen.com/english/advisories/2007/2315
http://www.vupen.com/english/advisories/2007/2783
http://www.xerox.com/downloads/usa/en/c/cert_ESSNetwork_XRX07001_v1.pdf
http://www130.nortelnetworks.com/go/main.jsp?cscat=BLTNDETAIL&DocumentOID=498093&RenditionID=&poid=8881
https://exchange.xforce.ibmcloud.com/vulnerabilities/29237
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A4256
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9370
https://www2.itrc.hp.com/service/cki/docDisplay.do?docId=c00967144
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