CVE-2003-0730

Multiple integer overflows in the font libraries for XFree86 4.3.0 allow local or remote attackers to cause a denial of service or execute arbitrary code via heap-based and stack-based buffer overflow attacks.

Published: 2003-10-20 Last update: 2026-04-16 Assigner: [email protected] Source: [email protected]

Conclusion & alert: CVE-2003-0730 is rated Moderate Risk (61.5/100): CVSS High severity, with medium exploitation likelihood (EPSS 5.66%). Mandatory action: Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2003-0730

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2025-03-30 5.49% 5.66% +0.17%
2 2025-03-29 5.66% 5.49% -0.17%
3 2025-03-17 5.66%

Full EPSS history (7 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2003-0730

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
7.5 2.0 HIGH
AV:N/AC:L/Au:N/C:P/I:P/A:P Click to expand
Access vector (AV:N)
Can be exploited remotely over network reachability.
Access complexity (AC:L)
Exploitation conditions are straightforward and predictable.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:P)
Partial confidentiality impact.
Integrity impact (I:P)
Partial integrity impact.
Availability impact (A:P)
Partial availability impact.
10.0 6.4 [email protected]

Weakness enumeration for CVE-2003-0730

OS Trackers for CVE-2003-0730

vendor priority summary link
redhat high https://access.redhat.com/security/cve/CVE-2003-0730
ubuntu medium CVE-2003-0730 medium priority: Ubuntu including 1 source packages (xorg), 4 status rows across 4 suites (dapper, edgy, feisty, upstream): released 3, needs-triage 1. https://ubuntu.com/security/CVE-2003-0730

Affected software / configurations for CVE-2003-0730

Vendor Product Version Raw CPE
xfree86_project x11r6 4.2.1 cpe:2.3:a:xfree86_project:x11r6:4.2.1:*:*:*:*:*:*:*
xfree86_project x11r6 4.3.0 cpe:2.3:a:xfree86_project:x11r6:4.3.0:*:*:*:*:*:*:*
netbsd netbsd 1.5 cpe:2.3:o:netbsd:netbsd:1.5:*:*:*:*:*:*:*
netbsd netbsd 1.5.1 cpe:2.3:o:netbsd:netbsd:1.5.1:*:*:*:*:*:*:*
netbsd netbsd 1.5.2 cpe:2.3:o:netbsd:netbsd:1.5.2:*:*:*:*:*:*:*
netbsd netbsd 1.5.3 cpe:2.3:o:netbsd:netbsd:1.5.3:*:*:*:*:*:*:*
netbsd netbsd 1.6 cpe:2.3:o:netbsd:netbsd:1.6:*:*:*:*:*:*:*
netbsd netbsd 1.6.1 cpe:2.3:o:netbsd:netbsd:1.6.1:*:*:*:*:*:*:*

References for CVE-2003-0730

URL Tags
ftp://ftp.netbsd.org/pub/NetBSD/security/advisories/NetBSD-SA2003-015.txt.asc
ftp://patches.sgi.com/support/free/security/advisories/20031101-01-U.asc
http://distro.conectiva.com.br/atualizacoes/?id=a&anuncio=000821
http://marc.info/?l=bugtraq&m=106229335312429&w=2
http://secunia.com/advisories/24168
http://secunia.com/advisories/24247
http://sunsolve.sun.com/search/document.do?assetkey=1-26-102803-1
http://support.avaya.com/elmodocs2/security/ASA-2007-074.htm
http://www.debian.org/security/2003/dsa-380 Patch Vendor Advisory
http://www.mandriva.com/security/advisories?name=MDKSA-2003:089
http://www.redhat.com/support/errata/RHSA-2003-286.html Patch Vendor Advisory
http://www.redhat.com/support/errata/RHSA-2003-287.html
http://www.redhat.com/support/errata/RHSA-2003-288.html
http://www.redhat.com/support/errata/RHSA-2003-289.html
http://www.securityfocus.com/bid/8514 Patch Vendor Advisory
http://www.vupen.com/english/advisories/2007/0589
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