CVE-2003-0253

The prefork MPM in Apache 2 before 2.0.47 does not properly handle certain errors from accept,...

5.0 MediumFix available

The prefork MPM in Apache 2 before 2.0.47 does not properly handle certain errors from accept, which could lead to a denial of service.

Exploit likelihood

9.11%Up 3.9 points since Feb 4, 2022

What each source reports

NVD Score used 5.0

The prefork MPM in Apache 2 before 2.0.47 does not properly handle certain errors from accept, which could lead to a denial of service.

Record: CVE-2003-0253
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

The prefork MPM in Apache 2 before 2.0.47 does not properly handle certain errors from accept, which could lead to a denial of service.

Record: CVE-2003-0253
Updated: 2026-11-02

EUVDEUVD-2003-0248 No score

The prefork MPM in Apache 2 before 2.0.47 does not properly handle certain errors from accept, which could lead to a denial of service.

Record: EUVD-2003-0248
Updated: 2026-11-03

GitHub AdvisoriesGHSA-2qc3-wjjq-65hv No score

The prefork MPM in Apache 2 before 2.0.47 does not properly handle certain errors from accept,...

The prefork MPM in Apache 2 before 2.0.47 does not properly handle certain errors from accept, which could lead to a denial of service.

Record: GHSA-2qc3-wjjq-65hv
Updated: 2026-11-02

OSVBELL-CVE-2003-0253 5.0

CVE-2003-0253 does not affect BellSoft software

Record: BELL-CVE-2003-0253
CVSS 2.0: 5.0 MediumAV:N/AC:L/Au:N/C:N/I:N/A:P
Updated: 2026-11-02

OSV No score

The prefork MPM in Apache 2 before 2.0.47 does not properly handle certain errors from accept, which could lead to a denial of service.

Record: CVE-2003-0253
Updated: 2026-11-02

OSVDEBIAN-CVE-2003-0253 No score

The prefork MPM in Apache 2 before 2.0.47 does not properly handle certain errors from accept, which could lead to a denial of service.

Record: DEBIAN-CVE-2003-0253
Updated: 2026-11-02

Affected products

apache http server

Affected packages

Affected packages
Package	Affected	Fixed
`apache2` Debian:12	before 2.0.47	2.0.47
`apache2` Debian:13	before 2.0.47	2.0.47
`apache2` Debian:14	before 2.0.47	2.0.47

History

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

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

In short

CVE-2003-0253 is a medium vulnerability (CVSS 5.0) in Apache Http Server, published July 10, 2003. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 9.11%, the 95th percentile. Fixed in apache2 2.0.47.

References

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