Servers and applications
CVE-2009-1903
The PDF XSS protection feature in ModSecurity before 2.5.8 allows remote attackers to cause a denial of service (Apache httpd crash) via a request for a PDF file that does not use the GET method.
- Severity
- Medium 4.3
- Published
- 3 Jun 2009
- Last changed
- 16 Jun 2026
- Added to UpHeron
- 1 Nov 2026
- Fixed in
- 2.5.8
- Exploit chance
- 3% in the next 30 daysHigher than 87% of CVEs. EPSS by FIRST, 12 Nov 2026
- Attack
- Over the network · No login needed
- Attacker can
- Slow it down
- CVSS vector
AV:N/AC:M/Au:N/C:N/I:N/A:P- Sources
- NVD
Affected software
| Software | Affected versions |
|---|---|
ModSecurityServers and applications · cpe:a:trustwave:modsecurity |
|