Is CVE-2011-3354 in the CISA KEV catalog?

No. CVE-2011-3354 is not currently on the CISA Known Exploited Vulnerabilities list.

What is the CVSS severity of CVE-2011-3354?

CVE-2011-3354 has a CVSS v2 base score of 5.0 (MEDIUM).

What is the EPSS score for CVE-2011-3354?

CVE-2011-3354 has an EPSS score of 2.07% (79th percentile), estimating the probability of exploitation in the next 30 days.

How do I fix CVE-2011-3354?

Upgrade quassel on debian 11 to 0.7.3-1 or later.

CVE & CISA-KEV Catalog

CVE-2011-3354

MEDIUMEPSS 79th pctl

5.0

CVSS v2

NVD

Description

The CtcpParser::packedReply method in core/ctcpparser.cpp in Quassel before 0.7.3 allows remote attackers to cause a denial of service (crash) via a crafted Client-To-Client Protocol (CTCP) request, as demonstrated in the wild in September 2011.

CWE-399Resource Management Errors

How to fix

Remediation Available

quasselDebian

Fixed in:0.7.3-1CVE-2011-3354

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

2.07%probability of exploitation in 30 days

79thpercentile

Elevated risk: more likely to be exploited than 79% of all known CVEs.

References

Patch1

bugs.quassel-irc.org

Vendor Advisory1

secunia.com

Other references7

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.