KsIRC 1.3.12 allows remote attackers to cause a denial of service (crash) via a long…
Priority MEDIUM 42CWE-617Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-617.
Summary
KsIRC 1.3.12 allows remote attackers to cause a denial of service (crash) via a long PRIVMSG string when connecting to an Internet Relay Chat (IRC) server, which causes an assertion failure and results in a NULL pointer dereference. NOTE: this issue was originally reported as a buffer overflow.
Why it matters now
EPSS 0.10568 95th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
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 · 4
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:kde:ksirc:1.3.12:*:*:*:*:*:*:* | 1.3.12 | Vulnerable | KDE |
| cpe:2.3:o:canonical:ubuntu_linux:5.10:*:*:*:*:*:*:* | 5.10 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:*:*:*:* | 6.06 | Vulnerable | Canonical |
| cpe:2.3:o:canonical:ubuntu_linux:6.10:*:*:*:*:*:*:* | 6.10 | Vulnerable | Canonical |
- cpe:2.3:a:kde:ksirc:1.3.12:*:*:*:*:*:*:* Versions 1.3.12 Vulnerable ·KDE
- cpe:2.3:o:canonical:ubuntu_linux:5.10:*:*:*:*:*:*:* Versions 5.10 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:6.06:*:*:*:*:*:*:* Versions 6.06 Vulnerable ·Canonical
- cpe:2.3:o:canonical:ubuntu_linux:6.10:*:*:*:*:*:*:* Versions 6.10 Vulnerable ·Canonical
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2006-6811
- 2026-10-03 Alias added: GHSA-rvgj-fpwg-2m28
References
Sources
- CVE-2006-6811 · CVE Program
- CVE-2006-6811 · NVD
- FIRST EPSS
- GHSA-rvgj-fpwg-2m28 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences