Not a U.S. government website. NDD is an independent vulnerability database by Volerion and is not affiliated with or endorsed by NIST or NVD.

CVE-2007-4990 Details

Description

The 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 and (2) QueryXExtents protocol requests with crafted size values that specify an arbitrary number of bytes to be swapped on the heap, which triggers heap corruption.

Metrics

CVSS 3.x Severity and Vector Strings:

No CVSS 3.x data is available for this CVE.

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
http://bugs.freedesktop.org/show_bug.cgi?id=12299	CVE
http://bugs.gentoo.org/show_bug.cgi?id=194606	CVE
http://docs.info.apple.com/article.html?artnum=307562	CVE
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01323725	CVE
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=602	CVE
http://lists.apple.com/archives/security-announce/2008/Mar/msg00001.html	CVE
http://lists.freedesktop.org/archives/xorg-announce/2007-October/000416.html	CVE
http://secunia.com/advisories/27040	CVE
http://secunia.com/advisories/27052	CVE
http://secunia.com/advisories/27060	CVE
http://secunia.com/advisories/27176	CVE
http://secunia.com/advisories/27228	CVE
http://secunia.com/advisories/27240	CVE
http://secunia.com/advisories/27560	CVE
http://secunia.com/advisories/28004	CVE
http://secunia.com/advisories/28514	CVE
http://secunia.com/advisories/28536	CVE
http://secunia.com/advisories/28542	CVE
http://secunia.com/advisories/29420	CVE
http://security.gentoo.org/glsa/glsa-200710-11.xml	CVE
https://exchange.xforce.ibmcloud.com/vulnerabilities/36920	CVE
https://issues.rpath.com/browse/RPL-1756	CVE
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11599	CVE
http://sunsolve.sun.com/search/document.do?assetkey=1-26-103114-1	CVE
http://sunsolve.sun.com/search/document.do?assetkey=1-66-200642-1	CVE
https://www.redhat.com/archives/fedora-package-announce/2007-December/msg00352.html	CVE
http://www.mandriva.com/security/advisories?name=MDKSA-2007:210	CVE
http://www.novell.com/linux/security/advisories/2007_54_xorg.html	CVE
http://www.redhat.com/support/errata/RHSA-2008-0029.html	CVE
http://www.redhat.com/support/errata/RHSA-2008-0030.html	CVE
http://www.securityfocus.com/archive/1/481432/100/0/threaded	CVE
http://www.securityfocus.com/bid/25898	CVE
http://www.securitytracker.com/id?1018763	CVE
http://www.vupen.com/english/advisories/2007/3337	CVE
http://www.vupen.com/english/advisories/2007/3338	CVE
http://www.vupen.com/english/advisories/2007/3467	CVE
http://www.vupen.com/english/advisories/2008/0149	CVE
http://www.vupen.com/english/advisories/2008/0924/references	CVE
http://bugs.freedesktop.org/show_bug.cgi?id=12299	[email protected]
http://bugs.gentoo.org/show_bug.cgi?id=194606	[email protected]
http://docs.info.apple.com/article.html?artnum=307562	[email protected]
http://h20000.www2.hp.com/bizsupport/TechSupport/Document.jsp?objectID=c01323725	[email protected]
http://labs.idefense.com/intelligence/vulnerabilities/display.php?id=602	[email protected]
http://lists.apple.com/archives/security-announce/2008/Mar/msg00001.html	[email protected]
http://lists.freedesktop.org/archives/xorg-announce/2007-October/000416.html	[email protected]
http://secunia.com/advisories/27040	[email protected]
http://secunia.com/advisories/27052	[email protected]
http://secunia.com/advisories/27060	[email protected]
http://secunia.com/advisories/27176	[email protected]
http://secunia.com/advisories/27228	[email protected]
http://secunia.com/advisories/27240	[email protected]
http://secunia.com/advisories/27560	[email protected]
http://secunia.com/advisories/28004	[email protected]
http://secunia.com/advisories/28514	[email protected]
http://secunia.com/advisories/28536	[email protected]
http://secunia.com/advisories/28542	[email protected]
http://secunia.com/advisories/29420	[email protected]
http://security.gentoo.org/glsa/glsa-200710-11.xml	[email protected]
https://exchange.xforce.ibmcloud.com/vulnerabilities/36920	[email protected]
https://issues.rpath.com/browse/RPL-1756	[email protected]
https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11599	[email protected]
http://sunsolve.sun.com/search/document.do?assetkey=1-26-103114-1	[email protected]
http://sunsolve.sun.com/search/document.do?assetkey=1-66-200642-1	[email protected]
https://www.redhat.com/archives/fedora-package-announce/2007-December/msg00352.html	[email protected]
http://www.mandriva.com/security/advisories?name=MDKSA-2007:210	[email protected]
http://www.novell.com/linux/security/advisories/2007_54_xorg.html	[email protected]
http://www.redhat.com/support/errata/RHSA-2008-0029.html	[email protected]
http://www.redhat.com/support/errata/RHSA-2008-0030.html	[email protected]
http://www.securityfocus.com/archive/1/481432/100/0/threaded	[email protected]
http://www.securityfocus.com/bid/25898	[email protected]
http://www.securitytracker.com/id?1018763	[email protected]
http://www.vupen.com/english/advisories/2007/3337	[email protected]
http://www.vupen.com/english/advisories/2007/3338	[email protected]
http://www.vupen.com/english/advisories/2007/3467	[email protected]
http://www.vupen.com/english/advisories/2008/0149	[email protected]
http://www.vupen.com/english/advisories/2008/0924/references	[email protected]

see all 76 references

Weakness Enumeration

CWE-ID	CWE Name	Source
CWE-189	Numeric Errors	[email protected]

Affected Products

Product	Versions
x.org x font server	<= 1.0.4
CPE cpe:2.3:a:x.org:x_font_server:::::::: Remediation No remediation found in references.

Change History

8 change records found show changes

Date	Action	Recorded By
Jun 16, 2026	CVE Modified	[email protected]
Apr 23, 2026	Status Change	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Oct 15, 2018	CVE Modified	[email protected]
Sep 29, 2017	CVE Modified	[email protected]
Jul 29, 2017	CVE Modified	[email protected]
Oct 8, 2007	Initial Analysis	[email protected]