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CVE-2005-0199

CriticalPublished

Integer underflow in the Lists_MakeMask() function in lists.c in ngIRCd before 0.8.2 allows remote attackers to cause a denial of service (application...

Published: Feb 6, 2005
Updated: Aug 7, 2024
Assigning CNA: mitre
Evidence observed: Jan 28, 2005

Primary CVSS

9.8/ 10Critical

nvd · CVSS 3.1

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

EPSS probability estimate

18.8%

Moderate · next 30 days

Percentile: 97.2%
Model date: Sep 21, 2026

EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.

Summary

Integer underflow in the Lists_MakeMask() function in lists.c in ngIRCd before 0.8.2 allows remote attackers to cause a denial of service (application crash) and possibly execute arbitrary code via a long MODE line that causes an incorrect length calculation, which leads to a buffer overflow.

Sources

ngIRCd 0.6/0.7/0.8 - Remote Buffer OverflowExploit
Florian Westphal · linux · Jan 28, 2005

Responsible use

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