CRITICAL
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
Published Feb 6, 2005
9.8
CRITICALCVSS 3.1
EPSS 18.77%
Description
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.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
9.8 CRITICAL NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact High
Integrity Impact High
Availability Impact High
No CVSS v3.0 score for this CVE.
7.5 HIGH NVD
AV:N/AC:L/Au:N/C:P/I:P/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact Partial
Integrity Impact Partial
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
18.77% 0.18767
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.18767
Score over time
2022–2026- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Percentile over time
- EPSS v2
- EPSS v3
- EPSS v4
- EPSS v5
Table of values (12 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 18.77% (0.18767) | 97.20th | v5 (v2026.06.15) |
| Jun 15, 2026 | 18.77% (0.18767) | 96.90th | v5 (v2026.06.15) |
| Mar 18, 2025 | 20.15% (0.20153) | 95.06th | v4 (v2025.03.14) |
| Mar 17, 2025 | 15.56% (0.15564) | 94.17th | v4 (v2025.03.14) |
| Feb 21, 2025 | 16.26% (0.16256) | 96.04th | v3 (v2023.03.01) |
| Dec 17, 2024 | 13.10% (0.13099) | 95.51th | v3 (v2023.03.01) |
| Feb 8, 2024 | 6.75% (0.06750) | 93.59th | v3 (v2023.03.01) |
| Jan 14, 2024 | 16.22% (0.16218) | 95.47th | v3 (v2023.03.01) |
| Mar 7, 2023 | 22.90% (0.22897) | 95.75th | v3 (v2023.03.01) |
| Mar 6, 2023 | 16.67% (0.16668) | 96.17th | v2 (v2022.01.01) |
| Apr 1, 2022 | 16.67% (0.16668) | 95.81th | v2 (v2022.01.01) |
| Feb 4, 2022 | 16.67% (0.16668) | 92.96th | v2 (v2022.01.01) |
Weaknesses (1)
References (8)
- http://arthur.ath.cx/pipermail/ngircd-ml/2005-January/000228.html mailing-listx_refsource_MLISTBroken LinkPatch
- http://bugs.gentoo.org/show_bug.cgi?id=79705 x_refsource_CONFIRMIssue Tracking
- http://secunia.com/advisories/14056 third-party-advisoryx_refsource_SECUNIABroken Link
- http://secunia.com/advisories/14059 third-party-advisoryx_refsource_SECUNIABroken Link
- http://securitytracker.com/id?1013047 vdb-entryx_refsource_SECTRACKBroken LinkThird Party AdvisoryVDB Entry
- http://www.gentoo.org/security/en/glsa/glsa-200501-40.xml vendor-advisoryx_refsource_GENTOOPatchThird Party Advisory
- http://www.securityfocus.com/bid/12397 vdb-entryx_refsource_BIDBroken LinkExploitPatchThird Party AdvisoryVDB Entry
- https://exchange.xforce.ibmcloud.com/vulnerabilities/19143 vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry
| Link | Providers | Tags |
|---|---|---|
| http://arthur.ath.cx/pipermail/ngircd-ml/2005-January/000228.html | mailing-listx_refsource_MLISTBroken LinkPatch | |
| http://bugs.gentoo.org/show_bug.cgi?id=79705 | x_refsource_CONFIRMIssue Tracking | |
| http://secunia.com/advisories/14056 | third-party-advisoryx_refsource_SECUNIABroken Link | |
| http://secunia.com/advisories/14059 | third-party-advisoryx_refsource_SECUNIABroken Link | |
| http://securitytracker.com/id?1013047 | vdb-entryx_refsource_SECTRACKBroken LinkThird Party AdvisoryVDB Entry | |
| http://www.gentoo.org/security/en/glsa/glsa-200501-40.xml | vendor-advisoryx_refsource_GENTOOPatchThird Party Advisory | |
| http://www.securityfocus.com/bid/12397 | vdb-entryx_refsource_BIDBroken LinkExploitPatchThird Party AdvisoryVDB Entry | |
| https://exchange.xforce.ibmcloud.com/vulnerabilities/19143 | vdb-entryx_refsource_XFThird Party AdvisoryVDB Entry |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Feb 6, 2005
Updated Aug 7, 2024
Reserved Jan 31, 2005
Link CVE-2005-0199
CISA Vulnrichment
Updated n/a