← Vulnerability feed

Vulnerability record · CVE-2007-4568 · published 5 October 2007

CVE-2007-4568: X.org x font server memory buffer overflow vulnerability

XX.Org · X Font Server

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.

6.8 CVSS 2.0 Medium EPSS 4.0% · top 9.9% CWE-119 · Memory buffer overflowCWE-189 · CWE-189
6.8CVSS 2.0 base score
4.0%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
84References
16 Jun 2026Last modified by NVD

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.

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

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
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 Patch
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 Patch
http://secunia.com/advisories/27040
http://secunia.com/advisories/27052
http://secunia.com/advisories/27060
http://secunia.com/advisories/27168
http://secunia.com/advisories/27176
http://secunia.com/advisories/27228
http://secunia.com/advisories/27240
http://secunia.com/advisories/27560
http://secunia.com/advisories/28004
http://secunia.com/advisories/28536
http://secunia.com/advisories/28542
http://secunia.com/advisories/28891
http://secunia.com/advisories/29420
http://security.gentoo.org/glsa/glsa-200710-11.xml
http://sunsolve.sun.com/search/document.do?assetkey=1-26-103114-1
http://sunsolve.sun.com/search/document.do?assetkey=1-66-200642-1
http://www.debian.org/security/2007/dsa-1385
http://www.mandriva.com/security/advisories?name=MDKSA-2007:210
http://www.novell.com/linux/security/advisories/2007_54_xorg.html
http://www.redhat.com/support/errata/RHSA-2008-0029.html
http://www.redhat.com/support/errata/RHSA-2008-0030.html
http://www.securityfocus.com/archive/1/481432/100/0/threaded
http://www.securityfocus.com/bid/25898
http://www.securitytracker.com/id?1018763
http://www.us-cert.gov/cas/techalerts/TA08-043B.html US Government Resource
http://www.vupen.com/english/advisories/2007/3337
http://www.vupen.com/english/advisories/2007/3338
http://www.vupen.com/english/advisories/2007/3467
http://www.vupen.com/english/advisories/2008/0495/references
http://www.vupen.com/english/advisories/2008/0924/references
https://exchange.xforce.ibmcloud.com/vulnerabilities/36919
https://issues.rpath.com/browse/RPL-1756

Track CVE-2007-4568 inside VULONE

Watch it alongside the ransomware crews, C2 infrastructure and forum chatter that reference it, query it through the API and pull it into your SIEM over TAXII.

Start free Open in platform

Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

7.5CVE-2007-4990X.org x font server vulnerabilityThe 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…EPSS 11%9.5CVE-2026-88772Citrix netscaler application delivery controller memory buffer overflow vulnerabilityVulnerability in Citrix NetScaler ADC and Citrix NetScaler Gateway. This issue affects ADC: before 14.1-73.37, before 13.1-64.23, before 14.1-73.37 F…KEVEPSS 1.3%8.8CVE-2026-8452Citrix NetScaler ADC and Gateway memory buffer overflow causes DoSCVE-2026-8452 is a memory buffer overflow (CWE-119) in Citrix NetScaler ADC and NetScaler Gateway that leads to unpredictable or erroneous behavior a…KEVEPSS 1.0%analysed8.8CVE-2009-3459Adobe Reader and Acrobat heap buffer overflow via crafted PDFAdobe Reader and Acrobat 7.x before 7.1.4, 8.x before 8.1.7, and 9.x before 9.2 contain a heap-based buffer overflow (CWE-122) triggered by a crafted…KEVEPSS 87%analysed9.8CVE-2008-4250Microsoft Windows Server service RPC path canonicalization buffer overflowThe Server service in multiple Windows versions fails to properly handle path canonicalization, allowing a crafted RPC request to overflow a buffer a…KEVEPSS 99%analysed8.8CVE-2025-31277Apple WebKit memory corruption via malicious web contentApple WebKit fails to handle memory correctly when processing crafted web content, leading to memory corruption across Safari, iOS, iPadOS, macOS, tv…KEVEPSS 1.6%analysed8.8CVE-2026-3910Google Chrome V8 improper implementation allows sandbox code executionChrome before 146.0.7680.75 contains an inappropriate implementation in the V8 JavaScript engine, classified as code injection and memory buffer over…KEVEPSS 1.0%analysed8.8CVE-2008-0015Microsoft DirectShow Video ActiveX Control Stack Buffer OverflowA stack-based buffer overflow in the CComVariant::ReadFromStream function in the Active Template Library (ATL) is reachable through the MPEG2TuneRequ…KEVEPSS 77%analysed

Source: NIST National Vulnerability Database (record CVE-2007-4568), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.