CVE-2009-3838
Stack-based buffer overflow in Pegasus Mail (PMail) 4.41 and possibly 4.51 allows remote POP3 servers to cause a denial of service…
- 9.3HighCVSS base score
- 6.2%Exploitation in 30 daysEPSS · top 6.4% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 1Public exploitsMetasploit, Nuclei and Exploit-DB
Description
Stack-based buffer overflow in Pegasus Mail (PMail) 4.41 and possibly 4.51 allows remote POP3 servers to cause a denial of service (application crash) or possibly execute arbitrary code via a long error message.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list an Exploit-DB entry for it.
Show the exploits1
Exploit-DB1 entry
- Pegasus Mail Client 4.51 - Remote Buffer Overflow (Exploit-DB entry) (opens in a new tab)
EDB-ID 9957remote, windowspublished 23 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 | High9.3 | AV:N/AC:M/Au:N/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 6.2% · top 6.4% of all CVEs (11 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 9.3.
Affected products
n/a
- affected n/a
References
References9
- 36797 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 59261 (opens in a new tab)vdb-entryx_refsource_OSVDBx_transferred
- ADV-2009-3026 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- 37134 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 1023075 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 20091022 {PRL} Pegasus Mail client BoF (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- http://www.packetstormsecurity.org/0910-exploits/pegasusmc-dos.txt (opens in a new tab)x_refsource_MISCx_transferred
- http://www.vupen.com/exploits/Pegasus_Mail_POP3_Message_Handling_Remote_Buffer_Overflow_Exploit_3026233.php (opens in a new tab)x_refsource_MISCx_transferred
- pegasus-pop3-bo(53933) (opens in a new tab)vdb-entryx_refsource_XFx_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-2009-3809 (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-2009-3838)Record last updated .