ctcphandler.cpp in Quassel before 0.6.3 and 0.7.x before 0.7.1 allows remote attackers to cause a denial of service (unresponsive IRC) via multiple Client-To-Client Protocol (CTCP) requests in a PRIVMSG message
Published Nov 23, 2013
5.0
MEDIUMCVSS 2.0
EPSS 1.98%
Description
ctcphandler.cpp in Quassel before 0.6.3 and 0.7.x before 0.7.1 allows remote attackers to cause a denial of service (unresponsive IRC) via multiple Client-To-Client Protocol (CTCP) requests in a PRIVMSG message.
Affected products
No data.
Configuration 1
- ≤ 0.6.2
- 0.1.0
- 0.3.0
- 0.3.0.1
- 0.3.0.2
- 0.3.0.3
- 0.3.1
- 0.4.0
- 0.4.1
- 0.4.2
- 0.4.3
- 0.5.0
- 0.6.1
- 0.7.0
Configuration 2
- 9.04
- 9.10
- 10.04
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
No CVSS v3.0 score for this CVE.
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (11 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 1.98% (0.01978) | 79.77th | v5 (v2026.06.15) |
| Jun 15, 2026 | 1.98% (0.01978) | 77.85th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.19% (0.01190) | 77.40th | v4 (v2025.03.14) |
| Dec 12, 2024 | 3.16% (0.03158) | 91.51th | v3 (v2023.03.01) |
| Jul 6, 2023 | 3.16% (0.03158) | 89.74th | v3 (v2023.03.01) |
| May 20, 2023 | 3.56% (0.03561) | 90.23th | v3 (v2023.03.01) |
| Mar 7, 2023 | 3.54% (0.03539) | 90.13th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.32% (0.01319) | 71.27th | v2 (v2022.01.01) |
| Feb 23, 2023 | 1.32% (0.01319) | 71.23th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.32% (0.01319) | 69.22th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.32% (0.01319) | 44.98th | v2 (v2022.01.01) |
References (7)
- http://bugs.quassel-irc.org/issues/1023 x_refsource_CONFIRMVendor Advisory
- http://bugs.quassel-irc.org/issues/1024 x_refsource_CONFIRMVendor Advisory
- http://git.quassel-irc.org/?p=quassel.git%3Ba=commitdiff%3Bh=a4ca568cdf68cf4a0343eb161518dc8e50cea87d x_refsource_CONFIRM
- http://quassel-irc.org/node/115 x_refsource_CONFIRMPatch
- http://secunia.com/advisories/55581 third-party-advisoryx_refsource_SECUNIAVendor Advisory
- http://security.gentoo.org/glsa/glsa-201311-03.xml vendor-advisoryx_refsource_GENTOO
- http://ubuntu.com/usn/usn-991-1 vendor-advisoryx_refsource_UBUNTU
| Link | Providers | Tags |
|---|---|---|
| http://bugs.quassel-irc.org/issues/1023 | x_refsource_CONFIRMVendor Advisory | |
| http://bugs.quassel-irc.org/issues/1024 | x_refsource_CONFIRMVendor Advisory | |
| http://git.quassel-irc.org/?p=quassel.git%3Ba=commitdiff%3Bh=a4ca568cdf68cf4a0343eb161518dc8e50cea87d | x_refsource_CONFIRM | |
| http://quassel-irc.org/node/115 | x_refsource_CONFIRMPatch | |
| http://secunia.com/advisories/55581 | third-party-advisoryx_refsource_SECUNIAVendor Advisory | |
| http://security.gentoo.org/glsa/glsa-201311-03.xml | vendor-advisoryx_refsource_GENTOO | |
| http://ubuntu.com/usn/usn-991-1 | vendor-advisoryx_refsource_UBUNTU |
Change history (0)
No recorded changes yet.