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CVE-2006-4343

The get_server_hello function in the SSLv2 client code in OpenSSL 0.9.7 before 0.9.7l, 0.9.8...

4.3 MediumPublic exploitFix available

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.

Exploit likelihood

19.4%Up 4.1 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 4.3

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.

Record
CVE-2006-4343
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:N/A:P
Weakness
CWE-476
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2006-4343
Updated
2026-11-02
EUVDEUVD-2006-4331 No score

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.

Record
EUVD-2006-4331
Updated
2026-11-03
GitHub AdvisoriesGHSA-vrm9-vqv5-39gr No score

The get_server_hello function in the SSLv2 client code in OpenSSL 0.9.7 before 0.9.7l, 0.9.8...

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.

Record
GHSA-vrm9-vqv5-39gr
Weakness
CWE-476
Updated
2026-11-02
OSV No score

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.

Record
CVE-2006-4343
Updated
2026-11-02
OSVDEBIAN-CVE-2006-4343 No score

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.

Record
DEBIAN-CVE-2006-4343
Updated
2026-11-02
Show 4 moreShow less
OSVopenSUSE-SU-2024:11125-1 No score

libopenssl-devel-1.1.1l-1.2 on GA media

These are all security issues fixed in the libopenssl-devel-1.1.1l-1.2 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:11125-1
Updated
2026-11-02
OSVopenSUSE-SU-2024:11126-1 No score

libopenssl-1_0_0-devel-1.0.2u-6.2 on GA media

These are all security issues fixed in the libopenssl-1_0_0-devel-1.0.2u-6.2 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:11126-1
Updated
2026-11-02
OSVopenSUSE-SU-2024:11127-1 No score

libopenssl-1_1-devel-1.1.1l-1.2 on GA media

These are all security issues fixed in the libopenssl-1_1-devel-1.1.1l-1.2 package on the GA media of openSUSE Tumbleweed.

Record
openSUSE-SU-2024:11127-1
Updated
2026-11-02
OSVSUSE-FU-2022:0445-1 No score

Feature update for venv-salt-minion

This feature update for venv-salt-minion provides the following changes:

  • Introduce venv-salt-minion.
  • Mention fixed issues provided with the bundle.
Record
SUSE-FU-2022:0445-1
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
openssl
Debian:12
 before 0.9.8c-2
0.9.8c-2
openssl
Debian:13
 before 0.9.8c-2
0.9.8c-2
openssl
Debian:14
 before 0.9.8c-2
0.9.8c-2
openssl
Debian:3.1
From an advisory covering 4 CVEs
 before 0.9.7e-3sarge4, plus listed versions
0.9.7e-30.9.7e-3sarge10.9.7e-3sarge20.9.7e-3sarge3
0.9.7e-3sarge4
openssl096
Debian:3.1
From an advisory covering 3 CVEs
 before 0.9.6m-1sarge4, plus listed versions
0.9.6m-10.9.6m-1sarge10.9.6m-1sarge2
0.9.6m-1sarge4
openssl
Red Hat:enterprise_linux:2.1::as
From an advisory covering 4 CVEs
 before 0:0.9.6b-46
0:0.9.6b-46
openssl-devel
Red Hat:enterprise_linux:2.1::as
From an advisory covering 4 CVEs
 before 0:0.9.6b-46
0:0.9.6b-46
openssl-perl
Red Hat:enterprise_linux:2.1::as
From an advisory covering 4 CVEs
 before 0:0.9.6b-46
0:0.9.6b-46
openssl095a
Red Hat:enterprise_linux:2.1::as
From an advisory covering 4 CVEs
 before 0:0.9.5a-32
0:0.9.5a-32
openssl096
Red Hat:enterprise_linux:2.1::as
From an advisory covering 4 CVEs
 before 0:0.9.6-32
0:0.9.6-32
Show 69 moreShow less
Affected packages
PackageAffectedFixed
openssl
Red Hat:enterprise_linux:2.1::aw
From an advisory covering 4 CVEs
 before 0:0.9.6b-46
0:0.9.6b-46
openssl-devel
Red Hat:enterprise_linux:2.1::aw
From an advisory covering 4 CVEs
 before 0:0.9.6b-46
0:0.9.6b-46
openssl-perl
Red Hat:enterprise_linux:2.1::aw
From an advisory covering 4 CVEs
 before 0:0.9.6b-46
0:0.9.6b-46
openssl095a
Red Hat:enterprise_linux:2.1::aw
From an advisory covering 4 CVEs
 before 0:0.9.5a-32
0:0.9.5a-32
openssl096
Red Hat:enterprise_linux:2.1::aw
From an advisory covering 4 CVEs
 before 0:0.9.6-32
0:0.9.6-32
openssl
Red Hat:enterprise_linux:2.1::es
From an advisory covering 4 CVEs
 before 0:0.9.6b-46
0:0.9.6b-46
openssl-devel
Red Hat:enterprise_linux:2.1::es
From an advisory covering 4 CVEs
 before 0:0.9.6b-46
0:0.9.6b-46
openssl-perl
Red Hat:enterprise_linux:2.1::es
From an advisory covering 4 CVEs
 before 0:0.9.6b-46
0:0.9.6b-46
openssl
Red Hat:enterprise_linux:2.1::ws
From an advisory covering 4 CVEs
 before 0:0.9.6b-46
0:0.9.6b-46
openssl-devel
Red Hat:enterprise_linux:2.1::ws
From an advisory covering 4 CVEs
 before 0:0.9.6b-46
0:0.9.6b-46
openssl-perl
Red Hat:enterprise_linux:2.1::ws
From an advisory covering 4 CVEs
 before 0:0.9.6b-46
0:0.9.6b-46
openssl
Red Hat:enterprise_linux:3::as
From an advisory covering 4 CVEs
 before 0:0.9.7a-33.21
0:0.9.7a-33.21
openssl-debuginfo
Red Hat:enterprise_linux:3::as
From an advisory covering 4 CVEs
 before 0:0.9.7a-33.21
0:0.9.7a-33.21
openssl-devel
Red Hat:enterprise_linux:3::as
From an advisory covering 4 CVEs
 before 0:0.9.7a-33.21
0:0.9.7a-33.21
openssl-perl
Red Hat:enterprise_linux:3::as
From an advisory covering 4 CVEs
 before 0:0.9.7a-33.21
0:0.9.7a-33.21
openssl096b
Red Hat:enterprise_linux:3::as
From an advisory covering 4 CVEs
 before 0:0.9.6b-16.46
0:0.9.6b-16.46
openssl096b-debuginfo
Red Hat:enterprise_linux:3::as
From an advisory covering 4 CVEs
 before 0:0.9.6b-16.46
0:0.9.6b-16.46
openssl
Red Hat:enterprise_linux:3::desktop
From an advisory covering 4 CVEs
 before 0:0.9.7a-33.21
0:0.9.7a-33.21
openssl-debuginfo
Red Hat:enterprise_linux:3::desktop
From an advisory covering 4 CVEs
 before 0:0.9.7a-33.21
0:0.9.7a-33.21
openssl-devel
Red Hat:enterprise_linux:3::desktop
From an advisory covering 4 CVEs
 before 0:0.9.7a-33.21
0:0.9.7a-33.21
openssl-perl
Red Hat:enterprise_linux:3::desktop
From an advisory covering 4 CVEs
 before 0:0.9.7a-33.21
0:0.9.7a-33.21
openssl096b
Red Hat:enterprise_linux:3::desktop
From an advisory covering 4 CVEs
 before 0:0.9.6b-16.46
0:0.9.6b-16.46
openssl096b-debuginfo
Red Hat:enterprise_linux:3::desktop
From an advisory covering 4 CVEs
 before 0:0.9.6b-16.46
0:0.9.6b-16.46
openssl
Red Hat:enterprise_linux:3::es
From an advisory covering 4 CVEs
 before 0:0.9.7a-33.21
0:0.9.7a-33.21
openssl-debuginfo
Red Hat:enterprise_linux:3::es
From an advisory covering 4 CVEs
 before 0:0.9.7a-33.21
0:0.9.7a-33.21
openssl-devel
Red Hat:enterprise_linux:3::es
From an advisory covering 4 CVEs
 before 0:0.9.7a-33.21
0:0.9.7a-33.21
openssl-perl
Red Hat:enterprise_linux:3::es
From an advisory covering 4 CVEs
 before 0:0.9.7a-33.21
0:0.9.7a-33.21
openssl096b
Red Hat:enterprise_linux:3::es
From an advisory covering 4 CVEs
 before 0:0.9.6b-16.46
0:0.9.6b-16.46
openssl096b-debuginfo
Red Hat:enterprise_linux:3::es
From an advisory covering 4 CVEs
 before 0:0.9.6b-16.46
0:0.9.6b-16.46
openssl
Red Hat:enterprise_linux:3::ws
From an advisory covering 4 CVEs
 before 0:0.9.7a-33.21
0:0.9.7a-33.21
openssl-debuginfo
Red Hat:enterprise_linux:3::ws
From an advisory covering 4 CVEs
 before 0:0.9.7a-33.21
0:0.9.7a-33.21
openssl-devel
Red Hat:enterprise_linux:3::ws
From an advisory covering 4 CVEs
 before 0:0.9.7a-33.21
0:0.9.7a-33.21
openssl-perl
Red Hat:enterprise_linux:3::ws
From an advisory covering 4 CVEs
 before 0:0.9.7a-33.21
0:0.9.7a-33.21
openssl096b
Red Hat:enterprise_linux:3::ws
From an advisory covering 4 CVEs
 before 0:0.9.6b-16.46
0:0.9.6b-16.46
openssl096b-debuginfo
Red Hat:enterprise_linux:3::ws
From an advisory covering 4 CVEs
 before 0:0.9.6b-16.46
0:0.9.6b-16.46
openssl
Red Hat:enterprise_linux:4::as
From an advisory covering 4 CVEs
 before 0:0.9.7a-43.14
0:0.9.7a-43.14
openssl-debuginfo
Red Hat:enterprise_linux:4::as
From an advisory covering 4 CVEs
 before 0:0.9.7a-43.14
0:0.9.7a-43.14
openssl-devel
Red Hat:enterprise_linux:4::as
From an advisory covering 4 CVEs
 before 0:0.9.7a-43.14
0:0.9.7a-43.14
openssl-perl
Red Hat:enterprise_linux:4::as
From an advisory covering 4 CVEs
 before 0:0.9.7a-43.14
0:0.9.7a-43.14
openssl096b
Red Hat:enterprise_linux:4::as
From an advisory covering 4 CVEs
 before 0:0.9.6b-22.46
0:0.9.6b-22.46
openssl096b-debuginfo
Red Hat:enterprise_linux:4::as
From an advisory covering 4 CVEs
 before 0:0.9.6b-22.46
0:0.9.6b-22.46
openssl
Red Hat:enterprise_linux:4::desktop
From an advisory covering 4 CVEs
 before 0:0.9.7a-43.14
0:0.9.7a-43.14
openssl-debuginfo
Red Hat:enterprise_linux:4::desktop
From an advisory covering 4 CVEs
 before 0:0.9.7a-43.14
0:0.9.7a-43.14
openssl-devel
Red Hat:enterprise_linux:4::desktop
From an advisory covering 4 CVEs
 before 0:0.9.7a-43.14
0:0.9.7a-43.14
openssl-perl
Red Hat:enterprise_linux:4::desktop
From an advisory covering 4 CVEs
 before 0:0.9.7a-43.14
0:0.9.7a-43.14
openssl096b
Red Hat:enterprise_linux:4::desktop
From an advisory covering 4 CVEs
 before 0:0.9.6b-22.46
0:0.9.6b-22.46
openssl096b-debuginfo
Red Hat:enterprise_linux:4::desktop
From an advisory covering 4 CVEs
 before 0:0.9.6b-22.46
0:0.9.6b-22.46
openssl
Red Hat:enterprise_linux:4::es
From an advisory covering 4 CVEs
 before 0:0.9.7a-43.14
0:0.9.7a-43.14
openssl-debuginfo
Red Hat:enterprise_linux:4::es
From an advisory covering 4 CVEs
 before 0:0.9.7a-43.14
0:0.9.7a-43.14
openssl-devel
Red Hat:enterprise_linux:4::es
From an advisory covering 4 CVEs
 before 0:0.9.7a-43.14
0:0.9.7a-43.14
openssl-perl
Red Hat:enterprise_linux:4::es
From an advisory covering 4 CVEs
 before 0:0.9.7a-43.14
0:0.9.7a-43.14
openssl096b
Red Hat:enterprise_linux:4::es
From an advisory covering 4 CVEs
 before 0:0.9.6b-22.46
0:0.9.6b-22.46
openssl096b-debuginfo
Red Hat:enterprise_linux:4::es
From an advisory covering 4 CVEs
 before 0:0.9.6b-22.46
0:0.9.6b-22.46
openssl
Red Hat:enterprise_linux:4::ws
From an advisory covering 4 CVEs
 before 0:0.9.7a-43.14
0:0.9.7a-43.14
openssl-debuginfo
Red Hat:enterprise_linux:4::ws
From an advisory covering 4 CVEs
 before 0:0.9.7a-43.14
0:0.9.7a-43.14
openssl-devel
Red Hat:enterprise_linux:4::ws
From an advisory covering 4 CVEs
 before 0:0.9.7a-43.14
0:0.9.7a-43.14
openssl-perl
Red Hat:enterprise_linux:4::ws
From an advisory covering 4 CVEs
 before 0:0.9.7a-43.14
0:0.9.7a-43.14
openssl096b
Red Hat:enterprise_linux:4::ws
From an advisory covering 4 CVEs
 before 0:0.9.6b-22.46
0:0.9.6b-22.46
openssl096b-debuginfo
Red Hat:enterprise_linux:4::ws
From an advisory covering 4 CVEs
 before 0:0.9.6b-22.46
0:0.9.6b-22.46
rhn-solaris-bootstrap
Red Hat:network_satellite:5.0:el4
From an advisory covering 12 CVEs
 before 0:5.0.2-3
0:5.0.2-3
rhn_solaris_bootstrap_5_0_2_3
Red Hat:network_satellite:5.0:el4
From an advisory covering 12 CVEs
 before 0:1-0
0:1-0
rhn-solaris-bootstrap
Red Hat:network_satellite:4.2::el3
From an advisory covering 12 CVEs
 before 0:5.0.2-3
0:5.0.2-3
rhn_solaris_bootstrap_5_0_2_3
Red Hat:network_satellite:4.2::el3
From an advisory covering 12 CVEs
 before 0:1-0
0:1-0
rhn-solaris-bootstrap
Red Hat:network_satellite:4.2::el4
From an advisory covering 12 CVEs
 before 0:5.0.2-3
0:5.0.2-3
rhn_solaris_bootstrap_5_0_2_3
Red Hat:network_satellite:4.2::el4
From an advisory covering 12 CVEs
 before 0:1-0
0:1-0
rhn-solaris-bootstrap
Red Hat:network_satellite:5.1::el4
From an advisory covering 12 CVEs
 before 0:5.1.1-3
0:5.1.1-3
rhn_solaris_bootstrap_5_1_1_3
Red Hat:network_satellite:5.1::el4
From an advisory covering 12 CVEs
 before 0:1-0
0:1-0
openssl-1_0_0
openSUSE:Tumbleweed
From an advisory covering 29 CVEs
 before 1.0.2u-6.2
1.0.2u-6.2
openssl-1_1
openSUSE:Tumbleweed
From an advisory covering 136 CVEs
 before 1.1.1l-1.2
1.1.1l-1.2

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
SourceLinkDate
Exploit-DBOpenSSL SSLv2 - Null Pointer Dereference Client Denial of Service2006-09-28
Exploit-DBOpenSSL < 0.9.7l/0.9.8d - SSLv2 Client Crash2007-12-23

History

History
RecordedChangedSources
affected, facts
aliasesEUVD
first indexedCVE List, Exploit-DB, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2006-4343 is a medium vulnerability (CVSS 4.3) in Openssl, published September 28, 2006. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 19.4%, the 97th percentile. Fixed in openssl 0.9.8c-2.

References

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Left out here: 670 references. The JSON record has them.

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