CVE-2007-4990

N/A Unknown
Published: October 05, 2007 Modified: April 23, 2026
View on NVD

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.

AI Explanation

Get an AI-powered plain-language explanation of this vulnerability and remediation steps.

Login to generate AI explanation

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://bugs.freedesktop.org/show_bug.cgi?id=12299
Source: af854a3a-2127-422b-91ae-364da2661108
http://bugs.gentoo.org/show_bug.cgi?id=194606
Source: af854a3a-2127-422b-91ae-364da2661108
http://docs.info.apple.com/article.html?artnum=307562
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/27040
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/27052
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/27060
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/27176
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/27228
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/27240
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/27560
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/28004
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/28514
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/28536
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/28542
Source: af854a3a-2127-422b-91ae-364da2661108
http://secunia.com/advisories/29420
Source: af854a3a-2127-422b-91ae-364da2661108
http://security.gentoo.org/glsa/glsa-200710-11.xml
Source: af854a3a-2127-422b-91ae-364da2661108
http://sunsolve.sun.com/search/document.do?assetkey=1-26-103114-1
Source: af854a3a-2127-422b-91ae-364da2661108
http://sunsolve.sun.com/search/document.do?assetkey=1-66-200642-1
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.mandriva.com/security/advisories?name=MDKSA-2007:210
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.novell.com/linux/security/advisories/2007_54_xorg.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.redhat.com/support/errata/RHSA-2008-0029.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.redhat.com/support/errata/RHSA-2008-0030.html
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/archive/1/481432/100/0/threaded
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securityfocus.com/bid/25898
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.securitytracker.com/id?1018763
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.vupen.com/english/advisories/2007/3337
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.vupen.com/english/advisories/2007/3338
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.vupen.com/english/advisories/2007/3467
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.vupen.com/english/advisories/2008/0149
Source: af854a3a-2127-422b-91ae-364da2661108
http://www.vupen.com/english/advisories/2008/0924/references
Source: af854a3a-2127-422b-91ae-364da2661108
https://exchange.xforce.ibmcloud.com/vulnerabilities/36920
Source: af854a3a-2127-422b-91ae-364da2661108
https://issues.rpath.com/browse/RPL-1756
Source: af854a3a-2127-422b-91ae-364da2661108

76 reference(s) from NVD

Quick Stats

CVSS v3 Score
N/A / 10.0
EPSS (Exploit Probability)
10.7%
95th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

x.org