CVE-2004-0747

Buffer overflow in Apache 2.0.50 and earlier allows local users to gain apache privileges via a ...

7.8 HighFix available

CVE-2004-0747 is a high vulnerability (CVSS 7.8) in Apache Http Server, published September 17, 2004. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.61%, the 75th percentile. Fixed in apache2 2.0.51.

Buffer overflow in Apache 2.0.50 and earlier allows local users to gain apache privileges via a .htaccess file that causes the overflow during expansion of environment variables.

Attack profile

How easy it is to exploit

Attack vector: Local
Complexity: Low
Privileges needed: Low
User interaction: None

What an attacker can affect

Confidentiality: High
Integrity: High
Availability: High

Exploit likelihood

1.61%Down 1.4 points since Feb 4, 2022

What each source reports

NVD Score used 7.8

Buffer overflow in Apache 2.0.50 and earlier allows local users to gain apache privileges via a .htaccess file that causes the overflow during expansion of environment variables.

Record: CVE-2004-0747
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0: 4.6 MediumAV:L/AC:L/Au:N/C:P/I:P/A:P
Weakness: CWE-131
Updated: 2026-11-02

CVE List 7.8

Buffer overflow in Apache 2.0.50 and earlier allows local users to gain apache privileges via a .htaccess file that causes the overflow during expansion of environment variables.

Record: CVE-2004-0747
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-131
Updated: 2026-11-02

EUVDEUVD-2004-0745 7.8

Buffer overflow in Apache 2.0.50 and earlier allows local users to gain apache privileges via a .htaccess file that causes the overflow during expansion of environment variables.

Record: EUVD-2004-0745
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-03

GitHub AdvisoriesGHSA-9q6c-grq3-7prg 7.8

Buffer overflow in Apache 2.0.50 and earlier allows local users to gain apache privileges via a ...

Buffer overflow in Apache 2.0.50 and earlier allows local users to gain apache privileges via a .htaccess file that causes the overflow during expansion of environment variables.

Record: GHSA-9q6c-grq3-7prg
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness: CWE-120, CWE-131
Updated: 2026-11-02

OSVBELL-CVE-2004-0747 7.8

CVE-2004-0747 does not affect BellSoft software

Record: BELL-CVE-2004-0747
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSV 7.8

Buffer overflow in Apache 2.0.50 and earlier allows local users to gain apache privileges via a .htaccess file that causes the overflow during expansion of environment variables.

Record: CVE-2004-0747
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

OSVDEBIAN-CVE-2004-0747 7.8

Buffer overflow in Apache 2.0.50 and earlier allows local users to gain apache privileges via a .htaccess file that causes the overflow during expansion of environment variables.

Record: DEBIAN-CVE-2004-0747
CVSS 3.1: 7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated: 2026-11-02

Affected products

apache http server

Affected packages

Affected packages
Package	Affected	Fixed
`apache2` Debian:12	before 2.0.51	2.0.51
`apache2` Debian:13	before 2.0.51	2.0.51
`apache2` Debian:14	before 2.0.51	2.0.51
`httpd` Red Hat:enterprise_linux:3::as	before 0:2.0.46-40.ent	0:2.0.46-40.ent
`httpd-debuginfo` Red Hat:enterprise_linux:3::as	before 0:2.0.46-40.ent	0:2.0.46-40.ent
`httpd-devel` Red Hat:enterprise_linux:3::as	before 0:2.0.46-40.ent	0:2.0.46-40.ent
`mod_ssl` Red Hat:enterprise_linux:3::as	before 1:2.0.46-40.ent	1:2.0.46-40.ent
`httpd` Red Hat:enterprise_linux:3::desktop	before 0:2.0.46-40.ent	0:2.0.46-40.ent
`httpd-debuginfo` Red Hat:enterprise_linux:3::desktop	before 0:2.0.46-40.ent	0:2.0.46-40.ent
`httpd-devel` Red Hat:enterprise_linux:3::desktop	before 0:2.0.46-40.ent	0:2.0.46-40.ent

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Affected packages
Package	Affected	Fixed
`mod_ssl` Red Hat:enterprise_linux:3::desktop	before 1:2.0.46-40.ent	1:2.0.46-40.ent
`httpd` Red Hat:enterprise_linux:3::es	before 0:2.0.46-40.ent	0:2.0.46-40.ent
`httpd-debuginfo` Red Hat:enterprise_linux:3::es	before 0:2.0.46-40.ent	0:2.0.46-40.ent
`httpd-devel` Red Hat:enterprise_linux:3::es	before 0:2.0.46-40.ent	0:2.0.46-40.ent
`mod_ssl` Red Hat:enterprise_linux:3::es	before 1:2.0.46-40.ent	1:2.0.46-40.ent
`httpd` Red Hat:enterprise_linux:3::ws	before 0:2.0.46-40.ent	0:2.0.46-40.ent
`httpd-debuginfo` Red Hat:enterprise_linux:3::ws	before 0:2.0.46-40.ent	0:2.0.46-40.ent
`httpd-devel` Red Hat:enterprise_linux:3::ws	before 0:2.0.46-40.ent	0:2.0.46-40.ent
`mod_ssl` Red Hat:enterprise_linux:3::ws	before 1:2.0.46-40.ent	1:2.0.46-40.ent

History

History
When	Changed	Sources
2026-11-03	aliases	EUVD
2026-11-02	created	CVE List, GitHub Advisories, NVD, OSV

References

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