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Vulnerability record · CVE-2003-1512 · published 31 December 2003

CVE-2003-1512: Khaled mardam-bey mirc memory buffer overflow vulnerability

KKhaled Mardam Bey · Mirc

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.

5.0 CVSS 2.0 Medium EPSS 2.4% · top 16.4% CWE-119 · Memory buffer overflow
5.0CVSS 2.0 base score
2.4%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
2References, 2 tagged exploit
16 Jun 2026Last modified by NVD

Description

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.

AV:N/AC:L/Au:N/C:N/I:N/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://www.securityfocus.com/bid/8818 ExploitPatch
http://www.securityfocus.com/bid/8818 ExploitPatch

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.5CVE-2002-1456Khaled mardam-bey mirc vulnerabilityBuffer overflow in mIRC 6.0.2 and earlier allows remote attackers to execute arbitrary code via a long $asctime value.EPSS 12%7.5CVE-2002-0231Khaled mardam-bey mirc vulnerabilityBuffer overflow in mIRC 5.91 and earlier allows a remote server to execute arbitrary code on the client via a long nickname.EPSS 9.6%7.5CVE-2001-0315Khaled mardam-bey mirc vulnerabilityThe locking feature in mIRC 5.7 allows local users to bypass the password mechanism by modifying the LockOptions registry key.EPSS 1.1%7.5CVE-1999-0399Khaled mardam-bey mirc vulnerabilityThe DCC server command in the Mirc 5.5 client doesn't filter characters from file names properly, allowing remote attackers to place a malicious file…EPSS 2.7%7.2CVE-2001-0944Khaled mardam-bey mirc vulnerabilityDDE in mIRC allows local users to launch applications under another user's account via a DDE message that executes a command, which may be executed b…EPSS 0.35%5.0CVE-2002-0425Khaled mardam-bey mirc vulnerabilitymIRC DCC server protocol allows remote attackers to gain sensitive information such as alternate IRC nicknames via a "100 testing" message in a DCC c…EPSS 1.5%4.6CVE-2006-0489Khaled mardam-bey mirc vulnerabilityBuffer overflow in the font command of mIRC, probably 6.16, allows local users to execute arbitrary code via a long string. NOTE: the original resear…EPSS 0.47%4.6CVE-2005-4681Khaled mardam-bey mirc vulnerabilityBuffer overflow in mIRC 5.91, 6.03, 6.12, and 6.16 allows local users to execute arbitrary code via a long string that is entered after reaching the …EPSS 0.61%

Source: NIST National Vulnerability Database (record CVE-2003-1512), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.