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Fencer Vulns
high 7.8

CVE-2004-0747 json

Buffer overflow in Apache 2.0.50 and earlier allows local users to gain apache privileges via a .htaccess file that causes the overflow dur…

published 2004-09-17 22 y ago modified 2026-06-16 4 mo ago also EUVD-2004-0745

cvss
7.8
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
1.6%
EPSS 1.6% chance of exploitation in 30 days, percentile 76%
public exploits
0
none known

Summary

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.

Patch / fix

  • apache http_server 2.0.51
  • apache2 Debian 14, Debian 13, Debian 12 2.0.51

debian advisories DEBIAN-CVE-2004-0747

  • httpd RHEL 3 2.0.46-40.ent
  • mod_ssl RHEL 3 1:2.0.46-40.ent

red hat advisories RHSA-2004:463

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2004-0747 updated

security flaw

  • Red Hat Desktop version 3 httpd 2.0.46-40.ent, mod_ssl 2.0.46-40.ent Red Hat Enterprise Linux AS version 3 httpd 2.0.46-40.ent, mod_ssl 2.0.46-40.ent Red Hat Enterprise Linux ES version 3 httpd 2.0.46-40.ent, mod_ssl 2.0.46-40.ent Red Hat Enterprise Linux WS version 3 httpd 2.0.46-40.ent, mod_ssl 2.0.46-40.ent
    fixed: vendor fix RHSA-2004:463

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

1.61% chance of exploitation in the next 30 days, higher than 76% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CISA ADP 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CNA 3.1 7.8 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
NVD 2.0 4.6 AV:L/AC:L/Au:N/C:P/I:P/A:P

Classification

Weakness
  • CWE-131 Incorrect Calculation of Buffer Size
Technology feeds

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.