Multiple stack-based buffer overflows in (1) mod_alias and (2) mod_rewrite for Apache…
Priority MEDIUM 55CWE-119Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-119 and the CVSS impact.
Summary
Multiple stack-based buffer overflows in (1) mod_alias and (2) mod_rewrite for Apache before 1.3.29 allow attackers to create configuration files to cause a denial of service (crash) or execute arbitrary code via a regular expression with more than 9 captures.
Why it matters now
EPSS 0.30428 98th percentileScored 2026-11-07
Fix Fixed Red Hat: 5 advisories
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
CPE configurations NVD · 36
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:apache:http_server:1.3:*:*:*:*:*:*:* | 1.3 | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:1.3.1:*:*:*:*:*:*:* | 1.3.1 | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:1.3.3:*:*:*:*:*:*:* | 1.3.3 | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:1.3.4:*:*:*:*:*:*:* | 1.3.4 | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:1.3.6:*:*:*:*:*:*:* | 1.3.6 | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:1.3.9:*:*:*:*:*:*:* | 1.3.9 | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:1.3.11:*:*:*:*:*:*:* | 1.3.11 | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:1.3.12:*:*:*:*:*:*:* | 1.3.12 | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:1.3.14:*:*:*:*:*:*:* | 1.3.14 | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:1.3.17:*:*:*:*:*:*:* | 1.3.17 | Vulnerable | Apache |
- cpe:2.3:a:apache:http_server:1.3:*:*:*:*:*:*:* Versions 1.3 Vulnerable ·Apache
- cpe:2.3:a:apache:http_server:1.3.1:*:*:*:*:*:*:* Versions 1.3.1 Vulnerable ·Apache
- cpe:2.3:a:apache:http_server:1.3.3:*:*:*:*:*:*:* Versions 1.3.3 Vulnerable ·Apache
- cpe:2.3:a:apache:http_server:1.3.4:*:*:*:*:*:*:* Versions 1.3.4 Vulnerable ·Apache
- cpe:2.3:a:apache:http_server:1.3.6:*:*:*:*:*:*:* Versions 1.3.6 Vulnerable ·Apache
- cpe:2.3:a:apache:http_server:1.3.9:*:*:*:*:*:*:* Versions 1.3.9 Vulnerable ·Apache
- cpe:2.3:a:apache:http_server:1.3.11:*:*:*:*:*:*:* Versions 1.3.11 Vulnerable ·Apache
- cpe:2.3:a:apache:http_server:1.3.12:*:*:*:*:*:*:* Versions 1.3.12 Vulnerable ·Apache
- cpe:2.3:a:apache:http_server:1.3.14:*:*:*:*:*:*:* Versions 1.3.14 Vulnerable ·Apache
- cpe:2.3:a:apache:http_server:1.3.17:*:*:*:*:*:*:* Versions 1.3.17 Vulnerable ·Apache
Show 26 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:apache:http_server:1.3.18:*:*:*:*:*:*:* | 1.3.18 | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:1.3.19:*:*:*:*:*:*:* | 1.3.19 | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:1.3.20:*:*:*:*:*:*:* | 1.3.20 | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:1.3.22:*:*:*:*:*:*:* | 1.3.22 | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:1.3.23:*:*:*:*:*:*:* | 1.3.23 | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:1.3.24:*:*:*:*:*:*:* | 1.3.24 | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:1.3.25:*:*:*:*:*:*:* | 1.3.25 | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:1.3.26:*:*:*:*:*:*:* | 1.3.26 | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:1.3.27:*:*:*:*:*:*:* | 1.3.27 | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:1.3.28:*:*:*:*:*:*:* | 1.3.28 | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:2.0:*:*:*:*:*:*:* | 2.0 | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:2.0.28:*:*:*:*:*:*:* | 2.0.28 | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:2.0.32:*:*:*:*:*:*:* | 2.0.32 | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:2.0.35:*:*:*:*:*:*:* | 2.0.35 | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:2.0.36:*:*:*:*:*:*:* | 2.0.36 | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:2.0.37:*:*:*:*:*:*:* | 2.0.37 | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:2.0.38:*:*:*:*:*:*:* | 2.0.38 | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:2.0.39:*:*:*:*:*:*:* | 2.0.39 | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:2.0.40:*:*:*:*:*:*:* | 2.0.40 | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:2.0.41:*:*:*:*:*:*:* | 2.0.41 | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:2.0.42:*:*:*:*:*:*:* | 2.0.42 | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:2.0.43:*:*:*:*:*:*:* | 2.0.43 | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:2.0.44:*:*:*:*:*:*:* | 2.0.44 | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:2.0.45:*:*:*:*:*:*:* | 2.0.45 | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:2.0.46:*:*:*:*:*:*:* | 2.0.46 | Vulnerable | Apache |
| cpe:2.3:a:apache:http_server:2.0.47:*:*:*:*:*:*:* | 2.0.47 | Vulnerable | Apache |
- cpe:2.3:a:apache:http_server:1.3.18:*:*:*:*:*:*:* Versions 1.3.18 Vulnerable ·Apache
- cpe:2.3:a:apache:http_server:1.3.19:*:*:*:*:*:*:* Versions 1.3.19 Vulnerable ·Apache
- cpe:2.3:a:apache:http_server:1.3.20:*:*:*:*:*:*:* Versions 1.3.20 Vulnerable ·Apache
- cpe:2.3:a:apache:http_server:1.3.22:*:*:*:*:*:*:* Versions 1.3.22 Vulnerable ·Apache
- cpe:2.3:a:apache:http_server:1.3.23:*:*:*:*:*:*:* Versions 1.3.23 Vulnerable ·Apache
- cpe:2.3:a:apache:http_server:1.3.24:*:*:*:*:*:*:* Versions 1.3.24 Vulnerable ·Apache
- cpe:2.3:a:apache:http_server:1.3.25:*:*:*:*:*:*:* Versions 1.3.25 Vulnerable ·Apache
- cpe:2.3:a:apache:http_server:1.3.26:*:*:*:*:*:*:* Versions 1.3.26 Vulnerable ·Apache
- cpe:2.3:a:apache:http_server:1.3.27:*:*:*:*:*:*:* Versions 1.3.27 Vulnerable ·Apache
- cpe:2.3:a:apache:http_server:1.3.28:*:*:*:*:*:*:* Versions 1.3.28 Vulnerable ·Apache
- cpe:2.3:a:apache:http_server:2.0:*:*:*:*:*:*:* Versions 2.0 Vulnerable ·Apache
- cpe:2.3:a:apache:http_server:2.0.28:*:*:*:*:*:*:* Versions 2.0.28 Vulnerable ·Apache
- cpe:2.3:a:apache:http_server:2.0.32:*:*:*:*:*:*:* Versions 2.0.32 Vulnerable ·Apache
- cpe:2.3:a:apache:http_server:2.0.35:*:*:*:*:*:*:* Versions 2.0.35 Vulnerable ·Apache
- cpe:2.3:a:apache:http_server:2.0.36:*:*:*:*:*:*:* Versions 2.0.36 Vulnerable ·Apache
- cpe:2.3:a:apache:http_server:2.0.37:*:*:*:*:*:*:* Versions 2.0.37 Vulnerable ·Apache
- cpe:2.3:a:apache:http_server:2.0.38:*:*:*:*:*:*:* Versions 2.0.38 Vulnerable ·Apache
- cpe:2.3:a:apache:http_server:2.0.39:*:*:*:*:*:*:* Versions 2.0.39 Vulnerable ·Apache
- cpe:2.3:a:apache:http_server:2.0.40:*:*:*:*:*:*:* Versions 2.0.40 Vulnerable ·Apache
- cpe:2.3:a:apache:http_server:2.0.41:*:*:*:*:*:*:* Versions 2.0.41 Vulnerable ·Apache
- cpe:2.3:a:apache:http_server:2.0.42:*:*:*:*:*:*:* Versions 2.0.42 Vulnerable ·Apache
- cpe:2.3:a:apache:http_server:2.0.43:*:*:*:*:*:*:* Versions 2.0.43 Vulnerable ·Apache
- cpe:2.3:a:apache:http_server:2.0.44:*:*:*:*:*:*:* Versions 2.0.44 Vulnerable ·Apache
- cpe:2.3:a:apache:http_server:2.0.45:*:*:*:*:*:*:* Versions 2.0.45 Vulnerable ·Apache
- cpe:2.3:a:apache:http_server:2.0.46:*:*:*:*:*:*:* Versions 2.0.46 Vulnerable ·Apache
- cpe:2.3:a:apache:http_server:2.0.47:*:*:*:*:*:*:* Versions 2.0.47 Vulnerable ·Apache
Remediation
Red Hat 5 advisories
- RHSA-2004:139 Released 2004-03-17 · Red Hat rating Importantapache, openssl security update for Stronghold
- Red Hat Stronghold 4
- RHSA-2004:015 Released 2004-01-14 · Red Hat rating Lowhttpd security update
- Red Hat Desktop version 3 httpd-2.0.46-26.ent, httpd-2.0.46-26.ent.i386, httpd-devel-2.0.46-26.ent +3
- Red Hat Enterprise Linux AS version 3 httpd-2.0.46-26.ent, httpd-2.0.46-26.ent.i386, httpd-2.0.46-26.ent.ia64 +9
- Red Hat Enterprise Linux ES version 3 httpd-2.0.46-26.ent, httpd-2.0.46-26.ent.i386, httpd-2.0.46-26.ent.ia64 +6
- Red Hat Enterprise Linux WS version 3 httpd-2.0.46-26.ent, httpd-2.0.46-26.ent.i386, httpd-2.0.46-26.ent.ia64 +6
- RHSA-2003:405 Released 2003-12-18 · Red Hat rating Low: Updated apache packages fix minor security vulnerability
- Red Hat Linux 7.1
- Red Hat Linux 7.2
- Red Hat Linux 7.3
Show 2 more Red Hat advisories
- RHSA-2003:320 Released 2003-12-16 · Red Hat rating Moderate: Updated httpd packages fix Apache security vulnerabilities
- Red Hat Linux 8.0
- Red Hat Linux 9
- RHSA-2003:360 Released 2003-12-10 · Red Hat rating Lowapache security update
- Red Hat Enterprise Linux AS (Advanced Server) version 2.1
- Red Hat Enterprise Linux ES version 2.1
- Red Hat Enterprise Linux WS version 2.1
- Red Hat Linux Advanced Workstation 2.1
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Desktop version 3 | Fixed | RHSA-2004:015 |
| Red Hat Enterprise Linux AS (Advanced Server) version 2.1 | Fixed | RHSA-2003:360 |
| Red Hat Enterprise Linux AS version 3 | Fixed | RHSA-2004:015 |
| Red Hat Enterprise Linux ES version 2.1 | Fixed | RHSA-2003:360 |
| Red Hat Enterprise Linux ES version 3 | Fixed | RHSA-2004:015 |
| Red Hat Enterprise Linux WS version 2.1 | Fixed | RHSA-2003:360 |
| Red Hat Enterprise Linux WS version 3 | Fixed | RHSA-2004:015 |
| Red Hat Linux 7.1 | Fixed | RHSA-2003:405 |
| Red Hat Linux 7.2 | Fixed | RHSA-2003:405 |
| Red Hat Linux 7.3 | Fixed | RHSA-2003:405 |
| Red Hat Linux 8.0 | Fixed | RHSA-2003:320 |
| Red Hat Linux 9 | Fixed | RHSA-2003:320 |
| Red Hat Linux Advanced Workstation 2.1 | Fixed | RHSA-2003:360 |
| Red Hat Stronghold 4 | Fixed | RHSA-2004:139 |
| Stronghold 4.0 for Red Hat Enterprise Linux AS (version 2.1) | Fixed | RHSA-2005:816 |
Timeline
- 2026-10-02 Threatist record created from CVE-2003-0542
- 2026-10-03 Alias added: GHSA-5cfw-vgxw-pqxm
References
Patch 1
Advisory 11
Other 22
- http://httpd.apache.org/dist/httpd/Announcement2.html
- http://lists.apple.com/mhonarc/security-announce/msg00045.html
- oval:org.mitre.oval:def:3799
- oval:org.mitre.oval:def:9458
- oval:org.mitre.oval:def:864
- 20031031 GLSA: apache (200310-04)
- http://docs.info.apple.com/article.html?artnum=61798
- oval:org.mitre.oval:def:863
- [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 [2/13] - in /websites/staging/httpd/trunk/content: ./ security/json/
- [httpd-cvs] 20210330 svn commit: r1073140 [1/4] - 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: r1888194 [2/13] - /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 [3/13] - 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 [1/4] - 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
- [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
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Sources
- CVE-2003-0542 · CVE Program
- CVE-2003-0542 · NVD
- FIRST EPSS
- GHSA-5cfw-vgxw-pqxm · GitHub Advisory Database · CC BY 4.0
- CVE-2003-0542 · 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