Read the docs
TI-2008-04241 Aliases CVE-2008-4449GHSA-3xhg-6w83-qffm

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

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:mirc:mirc:6.34:*:*:*:*:*:*:*6.34VulnerablemIRC
  • cpe:2.3:a:mirc:mirc:6.34:*:*:*:*:*:*:* Versions 6.34 Vulnerable ·mIRC

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2008-4449
  2. 2026-10-03 Alias added: GHSA-3xhg-6w83-qffm

References

Exploit 2

Advisory 1

  • 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