HIGH
xchat 2.0.6 allows remote attackers to cause a denial of service (crash) via a passive DCC request with an invalid ID number, which causes a null dereference
Published Dec 17, 2003
7.5
HIGHCVSS 3.1
EPSS 2.55%
Description
xchat 2.0.6 allows remote attackers to cause a denial of service (crash) via a passive DCC request with an invalid ID number, which causes a null dereference.
Affected products
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
7.5 HIGH NVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network
Attack Complexity Low
Privileges Required None
User Interaction None
Scope Unchanged
Confidentiality Impact None
Integrity Impact None
Availability Impact High
No CVSS v3.0 score for this CVE.
5.0 MEDIUM NVD
AV:N/AC:L/Au:N/C:N/I:N/A:P
Access Vector Network
Access Complexity Low
Authentication None
Confidentiality Impact None
Integrity Impact None
Availability Impact Partial
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
2.55% 0.02552
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
EPSS probability 0.02552
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 (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.55% (0.02552) | 84.49th | v5 (v2026.06.15) |
| Jun 15, 2026 | 2.55% (0.02552) | 82.95th | v5 (v2026.06.15) |
| Mar 17, 2025 | 1.11% (0.01114) | 76.68th | v4 (v2025.03.14) |
| Dec 12, 2024 | 0.22% (0.00221) | 61.16th | v3 (v2023.03.01) |
| Jan 9, 2024 | 0.22% (0.00221) | 60.21th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.25% (0.00252) | 61.23th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.05% (0.01055) | 52.13th | v2 (v2022.01.01) |
| Sep 17, 2022 | 1.05% (0.01055) | 50.47th | v2 (v2022.01.01) |
| Apr 1, 2022 | 1.05% (0.01055) | 48.43th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.05% (0.01055) | 27.52th | v2 (v2022.01.01) |
Weaknesses (1)
References (2)
- http://mail.nl.linux.org/xchat-announce/2003-12/msg00000.html x_refsource_CONFIRMBroken LinkPatchVendor Advisory
- http://marc.info/?l=bugtraq&m=107152093419276&w=2 mailing-listx_refsource_BUGTRAQMailing List
| Link | Providers | Tags |
|---|---|---|
| http://mail.nl.linux.org/xchat-announce/2003-12/msg00000.html | x_refsource_CONFIRMBroken LinkPatchVendor Advisory | |
| http://marc.info/?l=bugtraq&m=107152093419276&w=2 | mailing-listx_refsource_BUGTRAQMailing List |
Change history (0)
No recorded changes yet.
Sources
CVE.org / MITRE
Status PUBLISHED
Assigner mitre
Published Dec 17, 2003
Updated Aug 8, 2024
Reserved Dec 16, 2003
Link CVE-2003-1000
CISA Vulnrichment
Updated n/a