CVE-2011-4577

N/A Unknown
Published: January 06, 2012 Modified: April 29, 2026
View on NVD

Description

OpenSSL before 0.9.8s and 1.x before 1.0.0f, when RFC 3779 support is enabled, allows remote attackers to cause a denial of service (assertion failure) via an X.509 certificate containing certificate-extension data associated with (1) IP address blocks or (2) Autonomous System (AS) identifiers.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://secunia.com/advisories/57353
Source: secalert@redhat.com
http://support.apple.com/kb/HT5784
Source: secalert@redhat.com
http://www.kb.cert.org/vuls/id/737740
Source: secalert@redhat.com
US Government Resource
http://marc.info/?l=bugtraq&m=132750648501816&w=2
Source: af854a3a-2127-422b-91ae-364da2661108
http://marc.info/?l=bugtraq&m=134039053214295&w=2
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/57353
Source: af854a3a-2127-422b-91ae-364da2661108
http://support.apple.com/kb/HT5784
Source: af854a3a-2127-422b-91ae-364da2661108
http://www-01.ibm.com/support/docview.wss?uid=ssg1S1004564
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.kb.cert.org/vuls/id/737740
Source: af854a3a-2127-422b-91ae-364da2661108
US Government Resource
http://www.openssl.org/news/secadv_20120104.txt
Source: af854a3a-2127-422b-91ae-364da2661108

24 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
EPSS (Exploit Probability)
9.3%
95th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

openssl