CWE
399 415
Advisory Published
Updated

CVE-2011-4109: Double Free

First published: Fri Jan 06 2012(Updated: )

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.

Credit: secalert@redhat.com

Affected SoftwareAffected VersionHow to fix
OpenSSL=0.9.8
OpenSSL=0.9.8a
OpenSSL=0.9.8b
OpenSSL=0.9.8c
OpenSSL=0.9.8d
OpenSSL=0.9.8e
OpenSSL=0.9.8f
OpenSSL=0.9.8g
OpenSSL=0.9.8h
OpenSSL=0.9.8i
OpenSSL=0.9.8j
OpenSSL=0.9.8k
OpenSSL=0.9.8l
OpenSSL=0.9.8m
OpenSSL=0.9.8n
OpenSSL=0.9.8o
OpenSSL=0.9.8p
OpenSSL=0.9.8q
OpenSSL=0.9.8r

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Frequently Asked Questions

  • What is the severity of CVE-2011-4109?

    CVE-2011-4109 is considered a moderate severity vulnerability due to its potential impact on policy checks.

  • How do I fix CVE-2011-4109?

    To fix CVE-2011-4109, you should upgrade OpenSSL to version 0.9.8s or later.

  • What versions of OpenSSL are affected by CVE-2011-4109?

    CVE-2011-4109 affects all OpenSSL versions prior to 0.9.8s, including 0.9.8 through 0.9.8r.

  • What types of attacks can exploit CVE-2011-4109?

    CVE-2011-4109 allows remote attackers to exploit the vulnerability by triggering a failure in policy checks.

  • Is CVE-2011-4109 a common vulnerability?

    CVE-2011-4109 is a recognized vulnerability that has been documented and reported by security forums and advisories.

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