Heap-based buffer overflow in the sec_filter_out function in mod_security 1.7RC1 through…
Priority MEDIUM 40Published · 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
- Partial · Partial · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
Heap-based buffer overflow in the sec_filter_out function in mod_security 1.7RC1 through 1.7.1 in Apache 2 allows remote attackers to execute arbitrary code via a server side script that sends a large amount of data.
Why it matters now
EPSS 0.04625 91st percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
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 · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:mod_security:mod_security:1.7:*:*:*:*:*:*:* | 1.7 | Vulnerable | Mod Security |
| cpe:2.3:a:mod_security:mod_security:1.7.1:*:*:*:*:*:*:* | 1.7.1 | Vulnerable | Mod Security |
- cpe:2.3:a:mod_security:mod_security:1.7:*:*:*:*:*:*:* Versions 1.7 Vulnerable ·Mod Security
- cpe:2.3:a:mod_security:mod_security:1.7.1:*:*:*:*:*:*:* Versions 1.7.1 Vulnerable ·Mod Security
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2003-1171
- 2026-10-03 Alias added: GHSA-xm24-7446-mqm4
References
More Mod Security vulnerabilities
- TI-2007-01302 Interpretation conflict in ModSecurity (mod_security) 2.1.0 and earlier allows remote… CVSS 2.0MEDIUM 6.8
- TI-2004-01641 Off-by-one buffer overflow in ModSecurity (mod_security) 1.7.4 for Apache 2.x, when… CVSS 2.0HIGH 7.5
Sources
- CVE-2003-1171 · CVE Program
- CVE-2003-1171 · NVD
- FIRST EPSS
- GHSA-xm24-7446-mqm4 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences