ctcphandler.cpp in Quassel before 0.6.3 and 0.7.x before 0.7.1 allows remote attackers to…
Priority LOW 27CWE-399Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-399 and the CVSS impact.
Summary
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.
Why it matters now
EPSS 0.01978 80th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 17
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:quassel-irc:quassel_irc:*:*:*:*:*:*:*:* | up to 0.6.2 | Vulnerable | Quassel-irc |
| cpe:2.3:a:quassel-irc:quassel_irc:0.1.0:*:*:*:*:*:*:* | 0.1.0 | Vulnerable | Quassel-irc |
| cpe:2.3:a:quassel-irc:quassel_irc:0.3.0:*:*:*:*:*:*:* | 0.3.0 | Vulnerable | Quassel-irc |
| cpe:2.3:a:quassel-irc:quassel_irc:0.3.0.1:*:*:*:*:*:*:* | 0.3.0.1 | Vulnerable | Quassel-irc |
| cpe:2.3:a:quassel-irc:quassel_irc:0.3.0.2:*:*:*:*:*:*:* | 0.3.0.2 | Vulnerable | Quassel-irc |
| cpe:2.3:a:quassel-irc:quassel_irc:0.3.0.3:*:*:*:*:*:*:* | 0.3.0.3 | Vulnerable | Quassel-irc |
| cpe:2.3:a:quassel-irc:quassel_irc:0.3.1:*:*:*:*:*:*:* | 0.3.1 | Vulnerable | Quassel-irc |
| cpe:2.3:a:quassel-irc:quassel_irc:0.4.0:*:*:*:*:*:*:* | 0.4.0 | Vulnerable | Quassel-irc |
| cpe:2.3:a:quassel-irc:quassel_irc:0.4.1:*:*:*:*:*:*:* | 0.4.1 | Vulnerable | Quassel-irc |
| cpe:2.3:a:quassel-irc:quassel_irc:0.4.2:*:*:*:*:*:*:* | 0.4.2 | Vulnerable | Quassel-irc |
- cpe:2.3:a:quassel-irc:quassel_irc:*:*:*:*:*:*:*:* Versions up to 0.6.2 Vulnerable ·Quassel-irc
- cpe:2.3:a:quassel-irc:quassel_irc:0.1.0:*:*:*:*:*:*:* Versions 0.1.0 Vulnerable ·Quassel-irc
- cpe:2.3:a:quassel-irc:quassel_irc:0.3.0:*:*:*:*:*:*:* Versions 0.3.0 Vulnerable ·Quassel-irc
- cpe:2.3:a:quassel-irc:quassel_irc:0.3.0.1:*:*:*:*:*:*:* Versions 0.3.0.1 Vulnerable ·Quassel-irc
- cpe:2.3:a:quassel-irc:quassel_irc:0.3.0.2:*:*:*:*:*:*:* Versions 0.3.0.2 Vulnerable ·Quassel-irc
- cpe:2.3:a:quassel-irc:quassel_irc:0.3.0.3:*:*:*:*:*:*:* Versions 0.3.0.3 Vulnerable ·Quassel-irc
- cpe:2.3:a:quassel-irc:quassel_irc:0.3.1:*:*:*:*:*:*:* Versions 0.3.1 Vulnerable ·Quassel-irc
- cpe:2.3:a:quassel-irc:quassel_irc:0.4.0:*:*:*:*:*:*:* Versions 0.4.0 Vulnerable ·Quassel-irc
- cpe:2.3:a:quassel-irc:quassel_irc:0.4.1:*:*:*:*:*:*:* Versions 0.4.1 Vulnerable ·Quassel-irc
- cpe:2.3:a:quassel-irc:quassel_irc:0.4.2:*:*:*:*:*:*:* Versions 0.4.2 Vulnerable ·Quassel-irc
Show 7 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:quassel-irc:quassel_irc:0.4.3:*:*:*:*:*:*:* | 0.4.3 | Vulnerable | Quassel-irc |
| cpe:2.3:a:quassel-irc:quassel_irc:0.5.0:*:*:*:*:*:*:* | 0.5.0 | Vulnerable | Quassel-irc |
| cpe:2.3:a:quassel-irc:quassel_irc:0.6.1:*:*:*:*:*:*:* | 0.6.1 | Vulnerable | Quassel-irc |
| cpe:2.3:a:quassel-irc:quassel_irc:0.7.0:*:*:*:*:*:*:* | 0.7.0 | Vulnerable | Quassel-irc |
| cpe:2.3:o:canonical:ubuntu_linux:9.04:*:*:*:*:*:*:* | 9.04 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:9.10:*:*:*:*:*:*:* | 9.10 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:10.04:-:lts:*:*:*:*:* | 10.04 | Vulnerable | Canonical |
- cpe:2.3:a:quassel-irc:quassel_irc:0.4.3:*:*:*:*:*:*:* Versions 0.4.3 Vulnerable ·Quassel-irc
- cpe:2.3:a:quassel-irc:quassel_irc:0.5.0:*:*:*:*:*:*:* Versions 0.5.0 Vulnerable ·Quassel-irc
- cpe:2.3:a:quassel-irc:quassel_irc:0.6.1:*:*:*:*:*:*:* Versions 0.6.1 Vulnerable ·Quassel-irc
- cpe:2.3:a:quassel-irc:quassel_irc:0.7.0:*:*:*:*:*:*:* Versions 0.7.0 Vulnerable ·Quassel-irc
- cpe:2.3:o:canonical:ubuntu_linux:9.04:*:*:*:*:*:*:* Versions 9.04 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:9.10:*:*:*:*:*:*:* Versions 9.10 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:10.04:-:lts:*:*:*:*:* Versions 10.04 Vulnerable ·Canonical
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2010-3443
- 2026-10-03 Alias added: GHSA-gcm5-mx9r-f9mm
References
Sources
- CVE-2010-3443 · CVE Program
- CVE-2010-3443 · NVD
- FIRST EPSS
- GHSA-gcm5-mx9r-f9mm · GitHub Advisory Database · CC BY 4.0
- CVE-2010-3443 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences