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TI-2004-00688 Aliases CVE-2004-0747GHSA-9q6c-grq3-7prg

Buffer overflow in Apache 2.0.50 and earlier allows local users to gain apache privileges…

Priority LOW 39CWE-131Published · Updated

Key facts

Attack vector
Local
Privileges required
Low
User interaction
None
Attack complexity
Low
Impact type
Code execution
Confidentiality · integrity · availability
High · High · High
Fix status
Fixed

Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA and Red Hat. Impact type from CWE-131 and the CVSS impact.

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.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.01607 76th percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
None
Automatable
No
Technical impact
Total

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
——all versions—No fix listedCNA
  • — Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPEVersionsRoleVendor
cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:*2.0.35 to before 2.0.51VulnerableApache
  • cpe:2.3:a:apache:http_server:*:*:*:*:*:*:*:* Versions 2.0.35 to before 2.0.51 Vulnerable ·Apache

Remediation

Red Hat 1 advisory

  • RHSA-2004:463 Released 2004-09-15 · Red Hat rating Moderate
    httpd security update
    • Red Hat Desktop version 3 httpd-2.0.46-40.ent, httpd-2.0.46-40.ent.i386, httpd-devel-2.0.46-40.ent +3
    • Red Hat Enterprise Linux AS version 3 httpd-2.0.46-40.ent, httpd-2.0.46-40.ent.i386, httpd-2.0.46-40.ent.ia64 +9
    • Red Hat Enterprise Linux ES version 3 httpd-2.0.46-40.ent, httpd-2.0.46-40.ent.i386, httpd-2.0.46-40.ent.ia64 +6
    • Red Hat Enterprise Linux WS version 3 httpd-2.0.46-40.ent, httpd-2.0.46-40.ent.i386, httpd-2.0.46-40.ent.ia64 +6

Vendor assessments

Red Hat

Red Hat rating: Low. Red Hat's page for this CVE →

ProductStatusPlan or fix
Red Hat Desktop version 3Fixed RHSA-2004:463
Red Hat Enterprise Linux AS version 3Fixed RHSA-2004:463
Red Hat Enterprise Linux ES version 3Fixed RHSA-2004:463
Red Hat Enterprise Linux WS version 3Fixed RHSA-2004:463

Timeline

  1. 2026-10-02 Threatist record created from CVE-2004-0747
  2. 2026-10-03 Alias added: GHSA-9q6c-grq3-7prg

References

Patch 13

  • TI-2021-18535 Path Traversal and Remote Code Execution in Apache HTTP Server 2.4.49 and 2.4.50 (incomplete fix of CVE-2021-41773) KEVCVSS 3.1CRITICAL 9.8
  • TI-2021-18417 Path traversal and file disclosure vulnerability in Apache HTTP Server 2.4.49 KEVCVSS 3.1CRITICAL 9.8
  • TI-2024-25716 Apache HTTP Server weakness in mod_rewrite when first segment of substitution matches filesystem path. KEVCVSS 3.1CRITICAL 9.1
  • TI-2021-17490 mod_proxy SSRF KEVCVSS 3.1CRITICAL 9.0
  • TI-2019-00184 Use after free in Apache HTTP Server KEVCVSS 3.1HIGH 7.8
  • TI-2009-03392 The TLS protocol, and the SSL protocol 3.0 and possibly earlier, as used in Microsoft… CVSS 3.1CRITICAL 9.8
See all 349 →

Sources