CVE-2003-1054

mod_access_referer 1.0.2 allows remote attackers to cause a denial of service (crash) via a...

5.0 MediumPublic exploit

mod_access_referer 1.0.2 allows remote attackers to cause a denial of service (crash) via a malformed Referer header that is missing a hostname, as parsed by the ap_parse_uri_components function in Apache, which triggers a null dereference.

Exploit likelihood

7.12%Up 2.6 points since Feb 4, 2022

What each source reports

NVD Score used 5.0

Record: CVE-2003-1054
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Updated: 2026-11-02

CVE List No score

Record: CVE-2003-1054
Updated: 2026-11-02

EUVDEUVD-2003-1044 No score

Record: EUVD-2003-1044
Updated: 2026-11-03

GitHub AdvisoriesGHSA-434q-p653-pccw No score

mod_access_referer 1.0.2 allows remote attackers to cause a denial of service (crash) via a...

Record: GHSA-434q-p653-pccw
Updated: 2026-11-02

Affected products

mod access referer access referer

Public exploits

Links only. Every CVE stores no exploit code.

Public exploits
Source	Link	Date
Exploit-DB	Apache Mod_Access_Referer 1.0.2 - Null Pointer Dereference Denial of Service	2003-04-16

History

History
Recorded	Changed	Sources
Nov 3, 2026	aliases	EUVD
Nov 2, 2026	first indexed	CVE List, Exploit-DB, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2003-1054 is a medium vulnerability (CVSS 5.0) in Mod Access Referer Access Referer, published April 16, 2003. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 7.12%, the 94th percentile. No source names a fixed version.