Buffer overflow in mIRC 6.1 and 6.11 allows remote attackers to cause a denial of service…
Priority LOW 27CWE-119Published · 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-119 and the CVSS impact.
Summary
Buffer overflow in mIRC 6.1 and 6.11 allows remote attackers to cause a denial of service (crash) via a long DCC SEND request.
Why it matters now
EPSS 0.0243 84th 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 · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:khaled_mardam-bey:mirc:6.1:*:*:*:*:*:*:* | 6.1 | Vulnerable | Khaled Mardam-bey |
| cpe:2.3:a:khaled_mardam-bey:mirc:6.11:*:*:*:*:*:*:* | 6.11 | Vulnerable | Khaled Mardam-bey |
- cpe:2.3:a:khaled_mardam-bey:mirc:6.1:*:*:*:*:*:*:* Versions 6.1 Vulnerable ·Khaled Mardam-bey
- cpe:2.3:a:khaled_mardam-bey:mirc:6.11:*:*:*:*:*:*:* Versions 6.11 Vulnerable ·Khaled Mardam-bey
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2003-1512
- 2026-10-03 Alias added: GHSA-8fq9-r8h3-vqxp
References
—
More Khaled Mardam-bey Mirc vulnerabilities
- TI-2002-01378 Buffer overflow in mIRC 6.0.2 and earlier allows remote attackers to execute arbitrary code via a long $asctime value. CVSS 2.0HIGH 7.5
- TI-2002-00220 Buffer overflow in mIRC 5.91 and earlier allows a remote server to execute arbitrary code… CVSS 2.0HIGH 7.5
- TI-1999-00394 The DCC server command in the Mirc 5.5 client doesn't filter characters from file names… CVSS 2.0HIGH 7.5
- TI-2001-00313 The locking feature in mIRC 5.7 allows local users to bypass the password mechanism by… CVSS 2.0HIGH 7.5
- TI-2001-00901 DDE in mIRC allows local users to launch applications under another user's account via a… CVSS 2.0HIGH 7.2
- TI-2002-00410 mIRC DCC server protocol allows remote attackers to gain sensitive information such as… CVSS 2.0MEDIUM 5.0
Sources
- CVE-2003-1512 · CVE Program
- CVE-2003-1512 · NVD
- FIRST EPSS
- GHSA-8fq9-r8h3-vqxp · GitHub Advisory Database · CC BY 4.0
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