What’s Vulnerable › Vulnerabilities

CVE-2012-0828

• Severity: critical (CVSS 9.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.3% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-02-21 · updated 2026-06-16
• Weakness: CWE-787

Description

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).

Affected products

• GNOME Gtk: 2.10.4, 2.14.7, 2.18.9, 2.24.7
• xchat: before 2.8.6 — fixed in 2.8.6
• Xchat-Wdk: before 1499-4 — fixed in 1499-4

How to fix

Upgrade to a fixed version: xchat 2.8.6; Xchat-Wdk 1499-4. Check the vendor advisory for mitigations.

References

• http://www.openwall.com/lists/oss-security/2012/02/01/9
• https://access.redhat.com/security/cve/cve-2012-0828
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2012-0828
• https://security-tracker.debian.org/tracker/CVE-2012-0828
• http://www.openwall.com/lists/oss-security/2012/02/01/9
• https://access.redhat.com/security/cve/cve-2012-0828
• https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2012-0828
• https://security-tracker.debian.org/tracker/CVE-2012-0828

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