CVE-2011-3354
MEDIUM · CVSS 5.0EPSS 2.1%EU EUVD
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.
Key facts
- CVSS score
- 5.0 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:L/Au:N/C:N/I:N/A:P- Weakness (CWE)
- CWE-399
- EPSS score
- 2.1% (82th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2011-3318)
- Published
- October 4, 2011
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2011-3318 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- quassel-irc / quassel
- quassel-irc / quassel
- quassel-irc / quassel
- quassel-irc / quassel
- quassel-irc / quassel
- quassel-irc / quassel
- quassel-irc / quassel
- quassel-irc / quassel
- quassel-irc / quassel
- quassel-irc / quassel
- quassel-irc / quassel
- quassel-irc / quassel
- quassel-irc / quassel
- quassel-irc / quassel
References
- http://bugs.quassel-irc.org/projects/quassel-irc/repository/revisions/da215fcb9cd3096a3e223c87577d5d4ab8f8518b/diff/src/core/ctcpparser.cpp(Patch)
- http://osvdb.org/75351
- http://secunia.com/advisories/45970(Vendor Advisory)
- http://www.openwall.com/lists/oss-security/2011/09/08/7
- http://www.openwall.com/lists/oss-security/2011/09/09/7
- http://www.securityfocus.com/bid/49526
- http://www.ubuntu.com/usn/USN-1200-1
- https://bugs.gentoo.org/show_bug.cgi?id=382313
- https://exchange.xforce.ibmcloud.com/vulnerabilities/69682
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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