CVE-2009-1902
The multipart processor in ModSecurity before 2.5.9 allows remote attackers to cause a denial of...
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.
Exploit likelihood
What each source reports
NVD Score used
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.
- Record
CVE-2009-1902- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-476
- Updated
- 2026-11-02
CVE List No score
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.
- Record
CVE-2009-1902- Updated
- 2026-11-02
EUVDEUVD-2009-1897 No score
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.
- Record
EUVD-2009-1897- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-vj86-92j3-rr4c No score
The multipart processor in ModSecurity before 2.5.9 allows remote attackers to cause a denial of...
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.
- Record
GHSA-vj86-92j3-rr4c- Weakness
- CWE-476
- Updated
- 2026-11-02
Affected products
Public exploits
Links only. Every CVE stores no exploit code.
| Source | Link | Date |
|---|---|---|
| Exploit-DB | ModSecurity < 2.5.9 - Remote Denial of Service | 2009-03-19 |
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, Exploit-DB, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2009-1902 is a medium vulnerability (CVSS 5.0) in Trustwave Modsecurity, published June 3, 2009. Public exploit code exists. EPSS puts the chance of exploitation in the next 30 days at 13.7%, the 96th percentile. No source names a fixed version.
References
redhat.com/archives/fedora-package-announce/2009-March/msg00487.html
exchange.xforce.ibmcloud.com/vulnerabilities/49212
exploit-db.com/exploits/8241
security.gentoo.org/glsa/glsa-200907-02.xml
secunia.com/advisories/34256
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osvdb.org/52553
sourceforge.net/project/shownotes.php?release_id=667542&group_id=68846
lists.opensuse.org/opensuse-security-announce/2009-06/msg00003.html
securityfocus.com/archive/1/501968
vupen.com/english/advisories/2009/0703
nvd.nist.gov/vuln/detail/CVE-2009-1902
github.com/advisories/GHSA-vj86-92j3-rr4c