CVE-2007-4730

Severity: medium (CVSS 4.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.5% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2007-09-11 · updated 2026-06-16
Weakness: CWE-119

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.

Affected products

X.Org xorg-server: 1.01, 1.1, 1.02, 1.2, 1.3

References

http://bugs.freedesktop.org/show_bug.cgi?id=7447
http://bugs.gentoo.org/show_bug.cgi?id=191964
http://lists.freedesktop.org/archives/xorg-announce/2007-September/000378.html
http://osvdb.org/37726
http://secunia.com/advisories/26743
http://secunia.com/advisories/26755
http://secunia.com/advisories/26763
http://secunia.com/advisories/26823
http://secunia.com/advisories/26859
http://secunia.com/advisories/26897
http://secunia.com/advisories/27147
http://secunia.com/advisories/27179

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