The IPv6 URI parsing routines in the apr-util library for Apache 2.0.50 and earlier allow…
Priority MEDIUM 44Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.
Summary
The IPv6 URI parsing routines in the apr-util library for Apache 2.0.50 and earlier allow remote attackers to cause a denial of service (child process crash) via a certain URI, as demonstrated using the Codenomicon HTTP Test Tool.
Why it matters now
EPSS 0.24069 97th percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
Red Hat 1 advisory
- RHSA-2004:463 Released 2004-09-15 · Red Hat rating Moderatehttpd 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: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Desktop version 3 | Fixed | RHSA-2004:463 |
| Red Hat Enterprise Linux AS version 3 | Fixed | RHSA-2004:463 |
| Red Hat Enterprise Linux ES version 3 | Fixed | RHSA-2004:463 |
| Red Hat Enterprise Linux WS version 3 | Fixed | RHSA-2004:463 |
Timeline
- 2026-10-02 Threatist record created from CVE-2004-0786
- 2026-10-03 Alias added: GHSA-p82f-x8x2-gj7g
References
Patch 1
Other 12
- [httpd-cvs] 20190815 svn commit: r1048742 [2/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html
- [httpd-cvs] 20190815 svn commit: r1048743 [2/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html
- [httpd-cvs] 20200401 svn commit: r1058586 [2/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html
- [httpd-cvs] 20200401 svn commit: r1058587 [2/4] - in /websites/staging/httpd/trunk/content: ./ security/vulnerabilities-httpd.xml security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html
- [httpd-cvs] 20210330 svn commit: r1073139 [1/13] - in /websites/staging/httpd/trunk/content: ./ security/json/
- [httpd-cvs] 20210330 svn commit: r1073139 [3/13] - in /websites/staging/httpd/trunk/content: ./ security/json/
- [httpd-cvs] 20210330 svn commit: r1888194 [3/13] - /httpd/site/trunk/content/security/json/
- [httpd-cvs] 20210330 svn commit: r1073140 [2/4] - in /websites/staging/httpd/trunk/content: ./ security/cvejsontohtml.py security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html
- [httpd-cvs] 20210330 svn commit: r1073143 [2/3] - in /websites/staging/httpd/trunk/content: ./ security/
- [httpd-cvs] 20210330 svn commit: r1073149 [4/13] - in /websites/staging/httpd/trunk/content: ./ security/ security/json/
- [httpd-cvs] 20210330 svn commit: r1073149 [1/13] - in /websites/staging/httpd/trunk/content: ./ security/ security/json/
- [httpd-cvs] 20210606 svn commit: r1075470 [2/4] - in /websites/staging/httpd/trunk/content: ./ security/json/CVE-2020-13938.json security/vulnerabilities_13.html security/vulnerabilities_20.html security/vulnerabilities_22.html security/vulnerabilities_24.html
More Apache Http Server vulnerabilities
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- 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
Sources
- CVE-2004-0786 · CVE Program
- CVE-2004-0786 · NVD
- FIRST EPSS
- GHSA-p82f-x8x2-gj7g · GitHub Advisory Database · CC BY 4.0
- CVE-2004-0786 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences