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CVE-2007-4568

19
FAUCET Score

CVE-2007-4568 describes an integer overflow vulnerability in the build_range function of X.Org X Font Server (xfs) versions prior to 1.0.5. This flaw allows remote attackers to execute arbitrary code by sending specially crafted QueryXBitmaps or QueryXExtents protocol requests, leading to a heap-based buffer overflow. With a CVSS score of 6.8, this vulnerability is of medium severity, requiring moderate attack complexity but potentially leading to partial compromise of confidentiality, integrity, and availability. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
1.0.1CPE matchmatch criteria
cpe:2.3:a:x.org:x_font_server:1.0.1:*:*:*:*:*:*:*
1.0.2CPE matchmatch criteria
cpe:2.3:a:x.org:x_font_server:1.0.2:*:*:*:*:*:*:*
1.0.4CPE matchmatch criteria
cpe:2.3:a:x.org:x_font_server:1.0.4:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 2.0

6.8MEDIUM

AV:N/AC:M/Au:N/C:P/I:P/A:P

Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Exploitability Score
8.6
Impact Score
6.4
CvssVersion
2.0

Exploit Intelligence

EPSS Score
3.98%
Probability of exploitation in next 30 days
EPSS Percentile
89.4%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0398 is in the 86th percentile among its peer group of 19,955 CVEs.

Social Chatter

No social media mentions found for this CVE.

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.0 Bluesky, 0.0 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.0 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (4)

redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 2.1Fixed in: XFree86-0:4.1.0-86.EL
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 3Fixed in: XFree86-0:4.3.0-126.EL
View patch
redhatpatch availablevia redhat_api
Product: Red Hat Enterprise Linux 4Fixed in: xorg-x11-0:6.8.2-1.EL.33.0.2
View patch
redhatend of lifevia redhat_api
Product: Red Hat Enterprise Linux 5Fixed in: xorg-x11-xfs

Vendor Advisories (1)

redhatCVE-2007-4568Low

xfs integer overflow in the build_range function

Oct 2, 2007

References

bugs.freedesktop.org / show_bug.cgi
bugs.gentoo.org / show_bug.cgi
docs.info.apple.com / article.html
docs.info.apple.com / article.html
labs.idefense.com / intelligence/vulnerabilities/display.php
Patch
lists.apple.com / archives/security-announce/2008/Feb/msg00002.html
lists.apple.com / archives/security-announce/2008/Mar/msg00001.html
lists.freedesktop.org / archives/xorg-announce/2007-October/000416.html
Patch
secunia.com / advisories/27040
secunia.com / advisories/27052
secunia.com / advisories/27060
secunia.com / advisories/27168
secunia.com / advisories/27176
secunia.com / advisories/27228
secunia.com / advisories/27240
secunia.com / advisories/27560
secunia.com / advisories/28004
secunia.com / advisories/28536
secunia.com / advisories/28542
secunia.com / advisories/28891
secunia.com / advisories/29420
security.gentoo.org / glsa/glsa-200710-11.xml
exchange.xforce.ibmcloud.com / vulnerabilities/36919
issues.rpath.com / browse/RPL-1756
oval.cisecurity.org / repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A10882
sunsolve.sun.com / search/document.do
sunsolve.sun.com / search/document.do
redhat.com / archives/fedora-package-announce/2007-December/msg00352.html
debian.org / security/2007/dsa-1385
mandriva.com / security/advisories
novell.com / linux/security/advisories/2007_54_xorg.html
redhat.com / support/errata/RHSA-2008-0029.html
redhat.com / support/errata/RHSA-2008-0030.html
securityfocus.com / archive/1/481432/100/0/threaded
securityfocus.com / bid/25898
securitytracker.com / id
us-cert.gov / cas/techalerts/TA08-043B.html
US Government Resource
vupen.com / english/advisories/2007/3337
vupen.com / english/advisories/2007/3338
vupen.com / english/advisories/2007/3467
vupen.com / english/advisories/2008/0495/references
vupen.com / english/advisories/2008/0924/references