CVE-2011-4109

Double free vulnerability in OpenSSL 0.9.8 before 0.9.8s, when X509_V_FLAG_POLICY_CHECK is...

9.3 HighFix available

Double free vulnerability in OpenSSL 0.9.8 before 0.9.8s, when X509_V_FLAG_POLICY_CHECK is enabled, allows remote attackers to have an unspecified impact by triggering failure of a policy check.

Exploit likelihood

16.9%Up 10.3 points since Feb 4, 2022

What each source reports

NVD Score used 9.3

Double free vulnerability in OpenSSL 0.9.8 before 0.9.8s, when X509_V_FLAG_POLICY_CHECK is enabled, allows remote attackers to have an unspecified impact by triggering failure of a policy check.

Record: CVE-2011-4109
CVSS 2.0: 9.3 HighAV:N/AC:M/Au:N/C:C/I:C/A:C
Weakness: CWE-399
Updated: 2026-11-02

CVE List No score

Double free vulnerability in OpenSSL 0.9.8 before 0.9.8s, when X509_V_FLAG_POLICY_CHECK is enabled, allows remote attackers to have an unspecified impact by triggering failure of a policy check.

Record: CVE-2011-4109
Updated: 2026-11-02

EUVDEUVD-2011-4057 No score

Double free vulnerability in OpenSSL 0.9.8 before 0.9.8s, when X509_V_FLAG_POLICY_CHECK is enabled, allows remote attackers to have an unspecified impact by triggering failure of a policy check.

Record: EUVD-2011-4057
Updated: 2026-11-03

GitHub AdvisoriesGHSA-fr6r-xw3f-g957 No score

Double free vulnerability in OpenSSL 0.9.8 before 0.9.8s, when X509_V_FLAG_POLICY_CHECK is...

Double free vulnerability in OpenSSL 0.9.8 before 0.9.8s, when X509_V_FLAG_POLICY_CHECK is enabled, allows remote attackers to have an unspecified impact by triggering failure of a policy check.

Record: GHSA-fr6r-xw3f-g957
Updated: 2026-11-02

OSV No score

Double free vulnerability in OpenSSL 0.9.8 before 0.9.8s, when X509_V_FLAG_POLICY_CHECK is enabled, allows remote attackers to have an unspecified impact by triggering failure of a policy check.

Record: CVE-2011-4109
Updated: 2026-11-02

OSVDEBIAN-CVE-2011-4109 No score

Double free vulnerability in OpenSSL 0.9.8 before 0.9.8s, when X509_V_FLAG_POLICY_CHECK is enabled, allows remote attackers to have an unspecified impact by triggering failure of a policy check.

Record: DEBIAN-CVE-2011-4109
Updated: 2026-11-02

OSVSUSE-SU-2015:1184-1 No score

Security update for OpenSSL

This OpenSSL update fixes the following issues:

* Session Ticket Memory Leak (CVE-2014-3567)
* Build option no-ssl3 is incomplete (CVE-2014-3568)
* Add support for TLS_FALLBACK_SCSV to mitigate CVE-2014-3566 (POODLE)

Security Issues:

* CVE-2014-3567
  <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3567>
* CVE-2014-3566
  <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3566>
* CVE-2014-3568
  <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3568>

Record: SUSE-SU-2015:1184-1
Updated: 2026-11-02

OSVSUSE-SU-403 No score

Security update for OpenSSL

This OpenSSL update fixes the following issues:

* Session Ticket Memory Leak (CVE-2014-3567)
* Build option no-ssl3 is incomplete (CVE-2014-3568)
* Add support for TLS_FALLBACK_SCSV to mitigate CVE-2014-3566 (POODLE)

Security Issues:

* CVE-2014-3567
  <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3567>
* CVE-2014-3566
  <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3566>
* CVE-2014-3568
  <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3568>

Record: SUSE-SU-403
Updated: 2026-11-02

OSVSUSE-SU-403 Forbidden-1 No score

Security update for OpenSSL

This OpenSSL update fixes the following issues:

* Session Ticket Memory Leak (CVE-2014-3567)
* Build option no-ssl3 is incomplete (CVE-2014-3568)
* Add support for TLS_FALLBACK_SCSV to mitigate CVE-2014-3566 (POODLE)

Security Issues:

* CVE-2014-3567
  <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3567>
* CVE-2014-3566
  <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3566>
* CVE-2014-3568
  <http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2014-3568>

Record: SUSE-SU-403 Forbidden-1
Updated: 2026-11-02

Affected products

openssl

Affected packages

Affected packages
Package	Affected	Fixed
`openssl` Debian:12	before 1.0.0c-1	1.0.0c-1
`openssl` Debian:13	before 1.0.0c-1	1.0.0c-1
`openssl` Debian:14	before 1.0.0c-1	1.0.0c-1
`openssl` Debian:5.0 From an advisory covering 5 CVEs	before 0.9.8g-15+lenny15, plus listed versions 0.9.8g-150.9.8g-15+lenny10.9.8g-15+lenny110.9.8g-15+lenny120.9.8g-15+lenny13 Show 7 moreShow less 0.9.8g-15+lenny140.9.8g-15+lenny30.9.8g-15+lenny50.9.8g-15+lenny60.9.8g-15+lenny70.9.8g-15+lenny80.9.8g-15+lenny9	0.9.8g-15+lenny15
`openssl` Debian:6.0 From an advisory covering 5 CVEs	before 0.9.8o-4squeeze5, plus listed versions 0.9.8o-40.9.8o-4squeeze10.9.8o-4squeeze20.9.8o-4squeeze30.9.8o-4squeeze40.9.8o-4squeeze4~bpo50+1	0.9.8o-4squeeze5
`openssl` Red Hat:enterprise_linux:5::client From an advisory covering 4 CVEs	before 0:0.9.8e-20.el5_7.1	0:0.9.8e-20.el5_7.1
`openssl-debuginfo` Red Hat:enterprise_linux:5::client From an advisory covering 4 CVEs	before 0:0.9.8e-20.el5_7.1	0:0.9.8e-20.el5_7.1
`openssl-perl` Red Hat:enterprise_linux:5::client From an advisory covering 4 CVEs	before 0:0.9.8e-20.el5_7.1	0:0.9.8e-20.el5_7.1
`openssl` Red Hat:enterprise_linux:5::client_workstation From an advisory covering 4 CVEs	before 0:0.9.8e-20.el5_7.1	0:0.9.8e-20.el5_7.1
`openssl-debuginfo` Red Hat:enterprise_linux:5::client_workstation From an advisory covering 4 CVEs	before 0:0.9.8e-20.el5_7.1	0:0.9.8e-20.el5_7.1

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Affected packages
Package	Affected	Fixed
`openssl-devel` Red Hat:enterprise_linux:5::client_workstation From an advisory covering 4 CVEs	before 0:0.9.8e-20.el5_7.1	0:0.9.8e-20.el5_7.1
`openssl` Red Hat:enterprise_linux:5::server From an advisory covering 4 CVEs	before 0:0.9.8e-20.el5_7.1	0:0.9.8e-20.el5_7.1
`openssl-debuginfo` Red Hat:enterprise_linux:5::server From an advisory covering 4 CVEs	before 0:0.9.8e-20.el5_7.1	0:0.9.8e-20.el5_7.1
`openssl-devel` Red Hat:enterprise_linux:5::server From an advisory covering 4 CVEs	before 0:0.9.8e-20.el5_7.1	0:0.9.8e-20.el5_7.1
`openssl-perl` Red Hat:enterprise_linux:5::server From an advisory covering 4 CVEs	before 0:0.9.8e-20.el5_7.1	0:0.9.8e-20.el5_7.1
`libqt4` SUSE:Linux Enterprise Desktop 12 From an advisory covering 54 CVEs	before 4.8.6-7.1	4.8.6-7.1
`libqt4-sql-plugins` SUSE:Linux Enterprise Desktop 12 From an advisory covering 54 CVEs	before 4.8.6-7.1	4.8.6-7.1
`libqt4` SUSE:Linux Enterprise Desktop 12 SP1 From an advisory covering 54 CVEs	before 4.8.6-7.1	4.8.6-7.1
`libqt4-sql-plugins` SUSE:Linux Enterprise Desktop 12 SP1 From an advisory covering 54 CVEs	before 4.8.6-7.1	4.8.6-7.1
`libqt4` SUSE:Linux Enterprise Software Development Kit 12 From an advisory covering 54 CVEs	before 4.8.6-7.1	4.8.6-7.1
`libqt4-devel-doc` SUSE:Linux Enterprise Software Development Kit 12 From an advisory covering 54 CVEs	before 4.8.6-7.3	4.8.6-7.3
`libqt4-sql-plugins` SUSE:Linux Enterprise Software Development Kit 12 From an advisory covering 54 CVEs	before 4.8.6-7.1	4.8.6-7.1
`libqt4` SUSE:Linux Enterprise Software Development Kit 12 SP1 From an advisory covering 54 CVEs	before 4.8.6-7.1	4.8.6-7.1
`libqt4-devel-doc` SUSE:Linux Enterprise Software Development Kit 12 SP1 From an advisory covering 54 CVEs	before 4.8.6-7.3	4.8.6-7.3
`libqt4-sql-plugins` SUSE:Linux Enterprise Software Development Kit 12 SP1 From an advisory covering 54 CVEs	before 4.8.6-7.1	4.8.6-7.1
`libqt4` SUSE:Linux Enterprise Server 12 From an advisory covering 54 CVEs	before 4.8.6-7.1	4.8.6-7.1
`libqt4-devel-doc` SUSE:Linux Enterprise Server 12 From an advisory covering 54 CVEs	before 4.8.6-7.3	4.8.6-7.3
`libqt4-sql-plugins` SUSE:Linux Enterprise Server 12 From an advisory covering 54 CVEs	before 4.8.6-7.1	4.8.6-7.1
`libqt4` SUSE:Linux Enterprise Server for SAP Applications 12 From an advisory covering 54 CVEs	before 4.8.6-7.1	4.8.6-7.1
`libqt4-devel-doc` SUSE:Linux Enterprise Server for SAP Applications 12 From an advisory covering 54 CVEs	before 4.8.6-7.3	4.8.6-7.3
`libqt4-sql-plugins` SUSE:Linux Enterprise Server for SAP Applications 12 From an advisory covering 54 CVEs	before 4.8.6-7.1	4.8.6-7.1
`libqt4` SUSE:Linux Enterprise Server 12 SP1 From an advisory covering 54 CVEs	before 4.8.6-7.1	4.8.6-7.1
`libqt4-devel-doc` SUSE:Linux Enterprise Server 12 SP1 From an advisory covering 54 CVEs	before 4.8.6-7.3	4.8.6-7.3
`libqt4-sql-plugins` SUSE:Linux Enterprise Server 12 SP1 From an advisory covering 54 CVEs	before 4.8.6-7.1	4.8.6-7.1
`libqt4` SUSE:Linux Enterprise Server for SAP Applications 12 SP1 From an advisory covering 54 CVEs	before 4.8.6-7.1	4.8.6-7.1
`libqt4-devel-doc` SUSE:Linux Enterprise Server for SAP Applications 12 SP1 From an advisory covering 54 CVEs	before 4.8.6-7.3	4.8.6-7.3
`libqt4-sql-plugins` SUSE:Linux Enterprise Server for SAP Applications 12 SP1 From an advisory covering 54 CVEs	before 4.8.6-7.1	4.8.6-7.1
`libqt4` SUSE:Linux Enterprise Workstation Extension 12 From an advisory covering 54 CVEs	before 4.8.6-7.1	4.8.6-7.1
`libqt4-sql-plugins` SUSE:Linux Enterprise Workstation Extension 12 From an advisory covering 54 CVEs	before 4.8.6-7.1	4.8.6-7.1
`libqt4` SUSE:Linux Enterprise Workstation Extension 12 SP1 From an advisory covering 54 CVEs	before 4.8.6-7.1	4.8.6-7.1
`libqt4-sql-plugins` SUSE:Linux Enterprise Workstation Extension 12 SP1 From an advisory covering 54 CVEs	before 4.8.6-7.1	4.8.6-7.1

History

History
Recorded	Changed	Sources
Nov 6, 2026	affected, facts
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, GitHub Advisories, NVD, OSV

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

In short

CVE-2011-4109 is a high vulnerability (CVSS 9.3) in Openssl, published January 6, 2012. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 16.9%, the 97th percentile. Fixed in openssl 1.0.0c-1.

References

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