CVE Catalog

CVE-2006-3739

High
Published: Translated: NVD NIST

Summary

Integer overflow in the CIDAFM function of X.Org 6.8.2 and XFree86 X server. A local user can execute arbitrary code by supplying a crafted Adobe Font Metrics (AFM) file with a modified number of character metrics (StartCharMetrics), leading to a heap-based buffer overflow.

Risk Assessment

A local attacker can achieve arbitrary code execution with the privileges of the X server process, potentially leading to full system compromise or privilege escalation.

Recommendation

Update X.Org/XFree86 server to a version containing the fix or restrict access to the X server to trusted users only.

Related vulnerabilities

Original NVD description (English source)

Integer overflow in the CIDAFM function in X.Org 6.8.2 and XFree86 X server allows local users to execute arbitrary code via crafted Adobe Font Metrics (AFM) files with a modified number of character metrics (StartCharMetrics), which leads to a heap-based buffer overflow.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS