CVE-2011-4109

Description

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.

Category

9.3
CVSS
Severity: Critical
CVSS 2.0 •
EPSS 5.36% Top 15%
Vendor Advisory mandriva.com Vendor Advisory opensuse.org Vendor Advisory redhat.com Vendor Advisory redhat.com Vendor Advisory apple.com Vendor Advisory marc.info Vendor Advisory mandriva.com Vendor Advisory redhat.com Vendor Advisory marc.info Vendor Advisory debian.org Vendor Advisory openssl.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
http://secunia.com/advisories/48528 third party advisory
http://www.mandriva.com/security/advisories?name=MDVSA-2012:006 vendor advisory
http://www.openssl.org/news/secadv_20120104.txt vendor advisory
http://lists.opensuse.org/opensuse-security-announce/2012-01/msg00018.html vendor advisory
http://rhn.redhat.com/errata/RHSA-2012-1308.html vendor advisory
http://rhn.redhat.com/errata/RHSA-2012-1307.html vendor advisory
http://support.apple.com/kb/HT5784
http://lists.apple.com/archives/security-announce/2013/Jun/msg00000.html vendor advisory
http://www.kb.cert.org/vuls/id/737740 third party advisory us government resource
http://marc.info/?l=bugtraq&m=132750648501816&w=2 vendor advisory
https://exchange.xforce.ibmcloud.com/vulnerabilities/72129 vdb entry
http://www.mandriva.com/security/advisories?name=MDVSA-2012:007 vendor advisory
http://rhn.redhat.com/errata/RHSA-2012-1306.html vendor advisory
http://marc.info/?l=bugtraq&m=134039053214295&w=2 vendor advisory
http://www.debian.org/security/2012/dsa-2390 vendor advisory
http://aix.software.ibm.com/aix/efixes/security/openssl_advisory3.asc

Frequently Asked Questions

What is the severity of CVE-2011-4109?
CVE-2011-4109 has been scored as a critical severity vulnerability.
How to fix CVE-2011-4109?
To fix CVE-2011-4109, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2011-4109 being actively exploited in the wild?
It is possible that CVE-2011-4109 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~5% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
This platform uses data from the NIST NVD, MITRE CVE, MITRE CWE, First.org and CISA KEV but is not endorsed or certified by these entities. CVE is a registred trademark of the MITRE Corporation and the authoritative source of CVE content is MITRE's CVE web site. CWE is a registred trademark of the MITRE Corporation and the authoritative source of CWE content is MITRE's CWE web site.
© 2025 Under My Watch. All Rights Reserved.