CVE-2007-4568

Severity: medium (CVSS 6.8 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 4.0% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2007-10-05 · updated 2026-06-16
Weakness: CWE-119

Description

Integer overflow in the build_range 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, which triggers a heap-based buffer overflow.

Affected products

X.Org X Font Server: 1.0.1, 1.0.2, 1.0.4

References

http://bugs.freedesktop.org/show_bug.cgi?id=12298
http://bugs.gentoo.org/show_bug.cgi?id=194606
http://docs.info.apple.com/article.html?artnum=307430
http://docs.info.apple.com/article.html?artnum=307562
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=602
http://lists.apple.com/archives/security-announce/2008/Feb/msg00002.html
http://lists.apple.com/archives/security-announce/2008/Mar/msg00001.html
http://lists.freedesktop.org/archives/xorg-announce/2007-October/000416.html
http://secunia.com/advisories/27040
http://secunia.com/advisories/27052
http://secunia.com/advisories/27060
http://secunia.com/advisories/27168

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