Stack-based buffer overflow in mIRC 6.34 allows remote attackers to execute arbitrary…
Priority HIGH 67CWE-119Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Medium
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-119 and the CVSS impact.
Summary
Stack-based buffer overflow in mIRC 6.34 allows remote attackers to execute arbitrary code via a long hostname in a PRIVMSG message.
Why it matters now
EPSS 0.38737 98th percentileScored 2026-11-07
Public exploit Yes 2 exploit referencesTagged by the CNA
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
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2008-4449
- 2026-10-03 Alias added: GHSA-3xhg-6w83-qffm
References
More Mirc vulnerabilities
- TI-2019-04520 mIRC before 7.55 allows remote command execution by using argument injection through… CVSS 3.0HIGH 8.1
- TI-2003-01236 Buffer overflow in mIRC before 6.11 allows remote attackers to execute arbitrary code via a long irc:// URL. CVSS 2.0HIGH 9.3
- TI-2008-06995 mIRC before 6.35 allows attackers to cause a denial of service (crash) via a long nickname. CVSS 3.1HIGH 7.5
- TI-2007-04262 Multiple unspecified scripts in mIRC allow user-assisted remote attackers to execute… CVSS 2.0MEDIUM 6.8
- TI-2011-04554 mIRC prior to 7.22 has a message leak because chopping of outbound messages is mishandled. CVSS 3.1MEDIUM 5.3
- TI-2003-01408 Buffer overflow in mIRC 6.12, when the DCC get dialog window has been minimized and the… CVSS 2.0MEDIUM 4.3
Sources
- CVE-2008-4449 · CVE Program
- CVE-2008-4449 · NVD
- FIRST EPSS
- GHSA-3xhg-6w83-qffm · 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