CVE-2007-4990
7.5 · HIGHOverview
CVE-2007-4990 is a high-severity vulnerability affecting x.org x_font_server. It was published on October 5, 2007 and has a CVSS 2.0 base score of 7.5 (HIGH).
This vulnerability has a CVSS 2.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
The swap_char2b function in X.Org X Font Server (xfs) before 1.0.5 allows context-dependent attackers to execute arbitrary code via (1) QueryXBitmaps and (2) QueryXExtents protocol requests with crafted size values that specify an arbitrary number of bytes to be swapped on the heap, which triggers heap corruption.
Remediation
Check the references section for vendor advisories and patches from x.org. Update x_font_server to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| x.org | x_font_server | 0 | Affected |
References
Frequently Asked Questions
What is CVE-2007-4990?
CVE-2007-4990 is a high-severity vulnerability affecting x.org x_font_server. It was published on October 5, 2007 and has a CVSS 2.0 base score of 7.5 (HIGH).
How severe is CVE-2007-4990?
This vulnerability has a CVSS 2.0 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2007-4990?
Check the references section for vendor advisories and patches from x.org. Update x_font_server to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2007-4990?
CyberStrike's AI-powered security agents can automatically detect CVE-2007-4990 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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