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Fencer Vulns
medium 5.0

CVE-2003-1512 json

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.

published 2003-12-31 22 y ago modified 2026-06-16 4 mo ago also EUVD-2003-1502

cvss
5.0
version 2.0, NVD
cisa kev
Not listed
not in CISA's catalog
epss
2.4%
EPSS 2.4% chance of exploitation in 30 days, percentile 84%
public exploits
2
Exploit-DB

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.

Patch / fix

Timeline

  1. First public exploit (EDB-23241)
  2. Published

Exploit prediction

2.43% chance of exploitation in the next 30 days, higher than 84% of all scored CVEs (FIRST EPSS, 2026-11-08).

Exploits and checks

  • EDB-23241 mIRC 6.1 - 'DCC SEND' Buffer Overflow (2) dos, 2003-10-13
  • EDB-23240 mIRC 6.1 - 'DCC SEND' Buffer Overflow (1) dos, 2003-10-13
  • securityfocus.com http://www.securityfocus.com/bid/8818 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by version score vector
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness
  • CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.