Vulnerability Details : CVE-2011-4096

The idnsGrokReply function in Squid before 3.1.16 does not properly free memory, which allows remote attackers to cause a denial of service (daemon abort) via a DNS reply containing a CNAME record that references another CNAME record that contains an empty A record.
Published 2011-11-17 19:55:01
Updated 2016-11-28 19:07:42
Source Red Hat, Inc.
View at NVD,   CVE.org
Vulnerability category: Denial of service

Products affected by CVE-2011-4096

Threat overview for CVE-2011-4096

Top countries where our scanners detected CVE-2011-4096
Top open port discovered on systems with this issue 80
IPs affected by CVE-2011-4096 60,162
Threat actors abusing to this issue? Yes
Find out if you* are affected by CVE-2011-4096!
*Directly or indirectly through your vendors, service providers and 3rd parties. Powered by attack surface intelligence from SecurityScorecard.

Exploit prediction scoring system (EPSS) score for CVE-2011-4096

EPSS FAQ
93.46%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 99 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2011-4096

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
5.0
 MEDIUM AV:N/AC:L/Au:N/C:N/I:N/A:P
10.0
2.9
 NIST

CWE ids for CVE-2011-4096

  • Assigned by: nvd@nist.gov (Primary)

References for CVE-2011-4096

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