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Fencer Intel
critical 9.3

CVE-2011-4109 in the critical feed json

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 unsp…

published 2012-01-06 14 y ago modified 2026-06-16 4 mo ago also EUVD-2011-4057

cvss
9.3
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
16.9%
EPSS 16.9% chance of exploitation in 30 days, percentile 97%
public exploits
0
none known

Summary

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.

Patch / fix

  • openssl Debian 14, Debian 13, Debian 12 1.0.0c-1

debian advisories DEBIAN-CVE-2011-4109

  • openssl RHEL 5 0.9.8e-20.el5_7.1
  • openssl-perl RHEL 5 0.9.8e-20.el5_7.1

red hat advisories RHSA-2012:0060

  • libqt4 SLES 12 SP1, SLES 12, SLED 12 SP1 +7 more 4.8.6-7.1
  • libqt4-sql-plugins SLES 12 SP1, SLES 12, SLED 12 SP1 +7 more 4.8.6-7.1

suse advisories SUSE-SU-403SUSE-SU-403 Forbidden-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2011-4109 updated cvss 4.3

openssl: double-free in policy checks

  • Red Hat Enterprise Linux 6 openssl098e
    affected: no fix planned “Will not fix”
  • Red Hat Enterprise Linux (v. 5 server) openssl 0.9.8e-20.el5_7.1, openssl-perl 0.9.8e-20.el5_7.1 Red Hat Enterprise Linux Desktop (v. 5 client) openssl 0.9.8e-20.el5_7.1, openssl-perl 0.9.8e-20.el5_7.1
    fixed: vendor fix RHSA-2012:0060
  • Red Hat JBoss Enterprise Application Platform 5.1
    fixed: vendor fix RHSA-2012:1307
  • Red Hat JBoss Enterprise Application Platform 6.0
    fixed: vendor fix RHSA-2012:1308
  • Red Hat JBoss Web Server 1.0
    fixed: vendor fix RHSA-2012:1306
  • Red Hat RHEL Desktop Workstation (v. 5 client) openssl 0.9.8e-20.el5_7.1
    fixed: vendor fix RHSA-2012:0060
  • Red Hat Enterprise Linux 4 openssl, openssl096b Red Hat Enterprise Linux 5 openssl097a Red Hat Enterprise Linux 6 openssl, openssl-perl
    not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

16.91% chance of exploitation in the next 30 days, higher than 97% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by version score vector
NVD 2.0 9.3 AV:N/AC:M/Au:N/C:C/I:C/A:C

Classification

Weakness
  • CWE-399 Resource Management Errors
Technology feeds

References

Sources

Fencer Intel keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.