CVE-2009-3663 EXPLOIT
10.0
HIGH · CVSS 2.0 · EPSS 14.6% (pctl 97)
Patch early
A public exploit exists.
Description
Format string vulnerability in the h_readrequest function in http.c in httpdx Web Server 1.4 allows remote attackers to cause a denial of service (crash) or execute arbitrary code via format string specifiers in the Host header.
Scoring
| CVSS | 10.0 (HIGH, v2.0) |
|---|---|
| Vector | AV:N/AC:L/Au:N/C:C/I:C/A:C |
| EPSS | 14.63% — more likely to be exploited than 97% of all CVEs |
| Weakness | CWE-134 |
| On CISA KEV | no |
| Public exploit | yes |
| Published | 2009-10-11 |
| Last modified | 2026-06-16 |
Affected (1)
| Vendor | Product |
|---|---|
| jasper | httpdx |
Public exploits
| Source | Title | Date |
|---|---|---|
| exploit-db | httpdx 1.4 - HTTP Server Host Header Remote Format String Denial of Service | 2009-09-14 |
References
- http://httpdx.sourceforge.net/downloads/changelog.log
- http://osvdb.org/58129
- http://secunia.com/advisories/36734
- http://www.exploit-db.com/exploits/9657
- http://www.vupen.com/english/advisories/2009/2654
- https://exchange.xforce.ibmcloud.com/vulnerabilities/53205
- http://httpdx.sourceforge.net/downloads/changelog.log
- http://osvdb.org/58129
- http://secunia.com/advisories/36734
- http://www.exploit-db.com/exploits/9657
- http://www.vupen.com/english/advisories/2009/2654
- https://exchange.xforce.ibmcloud.com/vulnerabilities/53205
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