Is CVE-2011-3184 in the CISA KEV catalog?

No. CVE-2011-3184 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2011-3184?

CVE-2011-3184 has a CVSS v2 base score of 4.3 (MEDIUM).

What is the EPSS score for CVE-2011-3184?

CVE-2011-3184 has an EPSS score of 3.86% (89th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2011-3184?

Upgrade pidgin on debian 11 to 2.10.0-1 or later.

CVE & CISA-KEV Catalog

CVE-2011-3184

MEDIUMEPSS 89th pctl

4.3

CVSS v2

NVD

Description

The msn_httpconn_parse_data function in httpconn.c in the MSN protocol plugin in libpurple in Pidgin before 2.10.0 does not properly handle HTTP 100 responses, which allows remote attackers to cause a denial of service (incorrect memory access and application crash) via vectors involving a crafted server message.

CWE-399Resource Management Errors

How to fix

Remediation Available

pidginDebian

Fixed in:2.10.0-1CVE-2011-3184

Remediation is compiled from vendor and distribution security advisories. Always confirm against the linked source for your exact version and platform.

CVSS v2 Vector

No CVSS vector data available.

Exploit Intelligence

3.86%probability of exploitation in 30 days

89thpercentile

Elevated risk: more likely to be exploited than 89% of all known CVEs.

References

Patch3

Vendor Advisory1

secunia.com

Other references12

Related Vulnerabilities

Other CWE-399 (Resource Management Errors) vulnerabilities, ordered by exploit likelihood. View all

CVE	Severity	CVSS	EPSS	Exploited	Fix
CVE-2009-3103	High	10.0	90%	-	-
CVE-2009-0075	High	9.3	85%	-	-
CVE-2005-1790	Low	2.6	83%	-	-
CVE-2010-0806	High	8.8	82%	KEV	-
CVE-2009-2526	High	7.8	82%	-	-
CVE-2015-1868	High	7.8	82%	-	Fix

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This product uses NVD data but is not endorsed or certified by the NVD. EPSS scores courtesy of FIRST.org (https://www.first.org/epss). Source: CISA KEV Catalog. Data as of 2026-04-29.