The multipart processor in ModSecurity before 2.5.9 allows remote attackers to cause a…
Priority LOW 38CWE-476Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA. Impact type from CWE-476.
Summary
The multipart processor in ModSecurity before 2.5.9 allows remote attackers to cause a denial of service (crash) via a multipart form datapost request with a missing part header name, which triggers a NULL pointer dereference.
Why it matters now
EPSS 0.13735 96th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA and NVD
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 · 3
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:trustwave:modsecurity:*:*:*:*:*:*:*:* | before 2.5.9 | Vulnerable | Trustwave |
| cpe:2.3:o:fedoraproject:fedora:9:*:*:*:*:*:*:* | 9 | Vulnerable | Fedoraproject |
| cpe:2.3:o:fedoraproject:fedora:10:*:*:*:*:*:*:* | 10 | Vulnerable | Fedoraproject |
- cpe:2.3:a:trustwave:modsecurity:*:*:*:*:*:*:*:* Versions before 2.5.9 Vulnerable ·Trustwave
- cpe:2.3:o:fedoraproject:fedora:9:*:*:*:*:*:*:* Versions 9 Vulnerable ·Fedoraproject
- cpe:2.3:o:fedoraproject:fedora:10:*:*:*:*:*:*:* Versions 10 Vulnerable ·Fedoraproject
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2009-1902
- 2026-10-03 Alias added: GHSA-vj86-92j3-rr4c
References
Sources
- CVE-2009-1902 · CVE Program
- CVE-2009-1902 · NVD
- FIRST EPSS
- GHSA-vj86-92j3-rr4c · GitHub Advisory Database · CC BY 4.0
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