Out-of-bounds write in Xchat-WDK
Priority MEDIUM 49CWE-787Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
Heap-based buffer overflow in Xchat-WDK before 1499-4 (2012-01-18) xchat 2.8.6 on Maemo architecture could allow remote attackers to cause a denial of service (xchat client crash) or execute arbitrary code via a UTF-8 line from server containing characters outside of the Basic Multilingual Plane (BMP).
Why it matters now
EPSS 0.04284 91st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| xchat | Xchat-WDK | before 1499-4 (2012-01-18) | — | No fix listed | CNA |
| xchat | xchat | 2.8.6 on Maemo architecture | — | No fix listed | CNA |
- Xchat-WDK Vendorxchat Affected before 1499-4 (2012-01-18) Fixed in — No fix listed CNA
- xchat Vendorxchat Affected 2.8.6 on Maemo architecture Fixed in — No fix listed CNA
CPE configurations NVD · 6
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:gnome:gtk:2.10.4:*:*:*:*:*:*:* | 2.10.4 | Vulnerable | GNOME |
| cpe:2.3:a:gnome:gtk:2.14.7:*:*:*:*:*:*:* | 2.14.7 | Vulnerable | GNOME |
| cpe:2.3:a:gnome:gtk:2.18.9:*:*:*:*:*:*:* | 2.18.9 | Vulnerable | GNOME |
| cpe:2.3:a:gnome:gtk:2.24.7:*:*:*:*:*:*:* | 2.24.7 | Vulnerable | GNOME |
| cpe:2.3:a:xchat:xchat:*:*:*:*:*:*:*:* | before 2.8.6 | Vulnerable | xchat |
| cpe:2.3:a:xchat-wdk:xchat-wdk:*:*:*:*:*:*:*:* | before 1499-4 | Vulnerable | Xchat-wdk |
- cpe:2.3:a:gnome:gtk:2.10.4:*:*:*:*:*:*:* Versions 2.10.4 Vulnerable ·GNOME
- cpe:2.3:a:gnome:gtk:2.14.7:*:*:*:*:*:*:* Versions 2.14.7 Vulnerable ·GNOME
- cpe:2.3:a:gnome:gtk:2.18.9:*:*:*:*:*:*:* Versions 2.18.9 Vulnerable ·GNOME
- cpe:2.3:a:gnome:gtk:2.24.7:*:*:*:*:*:*:* Versions 2.24.7 Vulnerable ·GNOME
- cpe:2.3:a:xchat:xchat:*:*:*:*:*:*:*:* Versions before 2.8.6 Vulnerable ·xchat
- cpe:2.3:a:xchat-wdk:xchat-wdk:*:*:*:*:*:*:*:* Versions before 1499-4 Vulnerable ·Xchat-wdk
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 3 products
- Red Hat Enterprise Linux 4
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
Timeline
- 2026-10-02 Threatist record created from CVE-2012-0828
- 2026-10-03 Alias added: GHSA-pcc3-c79c-gx8x
References
More Xchat vulnerabilities
- TI-2008-02715 Argument injection vulnerability in XChat 2.8.7b and earlier on Windows, when Internet… CVSS 2.0MEDIUM 6.8
- TI-2000-00784 IRC Xchat client versions 1.4.2 and earlier allows remote attackers to execute arbitrary… CVSS 2.0HIGH 7.5
- TI-2004-00374 Stack-based buffer overflow in the Socks-5 proxy code for XChat 1.8.0 to 2.0.8, with… CVSS 2.0HIGH 7.5
- TI-2002-00006 XChat 1.8.7 and earlier, including default configurations of 1.4.2 and 1.4.3, allows… CVSS 2.0HIGH 7.5
- TI-2003-00906 xchat 2.0.6 allows remote attackers to cause a denial of service (crash) via a passive… CVSS 3.1HIGH 7.5
- TI-2001-00763 Format string vulnerability in XChat 1.2.x allows remote attackers to execute arbitrary code via a malformed nickname. CVSS 2.0HIGH 7.5
Sources
- CVE-2012-0828 · CVE Program
- CVE-2012-0828 · NVD
- FIRST EPSS
- GHSA-pcc3-c79c-gx8x · GitHub Advisory Database · CC BY 4.0
- CVE-2012-0828 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences