CVE-2009-3711
Stack-based buffer overflow in the h_handlepeer function in http.cpp in httpdx 1.4, and possibly 1.4.3, allows remote attackers to cause a…
- 10.0HighCVSS base score
- 63.9%Exploitation in 30 daysEPSS · top 0.8% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 3Public exploitsMetasploit, Nuclei and Exploit-DB
Description
Stack-based buffer overflow in the h_handlepeer function in http.cpp in httpdx 1.4, and possibly 1.4.3, allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long HTTP GET request.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list a Metasploit module and 2 Exploit-DB entries for it.
Show the exploits3
Metasploit modules1 module
- HTTPDX h_handlepeer() Function Buffer Overflow (Metasploit module) (opens in a new tab)
exploit/windows/http/httpdx_handlepeerRank greatdisclosed 8 Oct 2009
Exploit-DB2 entries
- httpdx - 'h_handlepeer()' Remote Buffer Overflow (Metasploit) (Exploit-DB entry) (opens in a new tab)
EDB-ID 16799remote, windowspublished 26 Jul 2010Verified
- httpdx 1.4 - GET Buffer Overflow (Exploit-DB entry) (opens in a new tab)
EDB-ID 10053remote, windowspublished 8 Oct 2009Verified
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By mitre
Published
- 15 years later
· 15 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | High10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 63.9% · top 0.8% of all CVEs (11 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 10.0.
Affected products
n/a
- affected n/a
References
References8
- ADV-2009-2874 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- https://exchange.xforce.ibmcloud.com/vulnerabilities/53700 (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- 20091010 http://marc.info/?l=bugtraq&m=125544914512291&w=2 (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 58714 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- 20091008 Remote buffer overflow in httpdx (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- 36991 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- http://www.pank4j.com/exploits/httpdxb0f.php (opens in a new tab)x_refsource_MISCx_transferred
- 20091009 Re: Remote buffer overflow in httpdx (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2009-3684 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2009-3711)Record last updated .