CVE-2007-4730

CVE-2007-4730 is a medium-severity vulnerability in X.org Xorg-server with a CVSS 2.0 base score of 4.3. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-119.

Key facts

Description

Buffer overflow in the compNewPixmap function in compalloc.c in the Composite extension for the X.org X11 server before 1.4 allows local users to execute arbitrary code by copying data from a large pixel depth pixmap into a smaller pixel depth pixmap.

Frequently asked questions

What is CVE-2007-4730?
Buffer overflow in the compNewPixmap function in compalloc.c in the Composite extension for the X.org X11 server before 1.4 allows local users to execute arbitrary code by copying data from a large pixel depth pixmap into a smaller pixel depth pixmap.
How severe is CVE-2007-4730?
CVE-2007-4730 has a CVSS 2.0 base score of 4.3, rated medium severity.
Is CVE-2007-4730 being actively exploited?
It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (40th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2007-4730?
CVE-2007-4730 primarily affects X.org Xorg-server. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2007-4730?
Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
When was CVE-2007-4730 published?
CVE-2007-4730 was published on 2007-09-11 and last updated on 2026-06-16.

References

Affected products (5)

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