CVE catalog
CVE-2009-5011
python-pyftpdlib: CVE-2009-5011
- Severity
- Medium
- Published
- Source
- [NVD] · [CVE record]
- EPSS
- 0.92% · Oct 25, 2026
Race condition in the FTPHandler class in ftpserver.py in pyftpdlib before 0.5.2 allows remote attackers to cause a denial of service (daemon outage) by establishing and then immediately closing a TCP connection, leading to the getpeername function having an ENOTCONN error, a different vulnerability than CVE-2010-3494.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | python-pyftpdlib | sid | 2.2.0-1 | fixed |
| Debian | python-pyftpdlib | forky | 2.2.0-1 | fixed |
| Debian | python-pyftpdlib | trixie | 2.0.1-1 | fixed |
| Debian | python-pyftpdlib | bookworm | 1.5.7-3 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | python-pyftpdlib | source | sid | 0.5.2-1 | not yet assigned | Not reported | Not reported |
| Debian | python-pyftpdlib | source | forky | 0.5.2-1 | not yet assigned | Not reported | Not reported |
| Debian | python-pyftpdlib | source | trixie | 0.5.2-1 | not yet assigned | Not reported | Not reported |
| Debian | python-pyftpdlib | source | bookworm | 0.5.2-1 | not yet assigned | Not reported | Not reported |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [python3-pyftpdlib]Fixed
Source package: [python-pyftpdlib]
Details (2)
1.5.7-3· all · bookwormFixed · Fixed:
0.5.2-1dsa · python-pyftpdlib · debian · bookworm; dsa · python-pyftpdlib · debian · 12
1.5.7-3· all · bookwormFixed · Fixed:
0.5.2-1dsa · python-pyftpdlib · debian · bookworm; dsa · python-pyftpdlib · debian · 12
- [python-pyftpdlib-doc]Fixed
Source package: [python-pyftpdlib]
Details (2)
1.5.7-3· all · bookwormFixed · Fixed:
0.5.2-1dsa · python-pyftpdlib · debian · bookworm; dsa · python-pyftpdlib · debian · 12
1.5.7-3· all · bookwormFixed · Fixed:
0.5.2-1dsa · python-pyftpdlib · debian · bookworm; dsa · python-pyftpdlib · debian · 12
[Debian 13 (Trixie)]
- [python3-pyftpdlib]Fixed
Source package: [python-pyftpdlib]
Details (2)
2.0.1-1· all · trixieFixed · Fixed:
0.5.2-1dsa · python-pyftpdlib · debian · 13
2.0.1-1· all · trixieFixed · Fixed:
0.5.2-1dsa · python-pyftpdlib · debian · 13
- [python-pyftpdlib-doc]Fixed
Source package: [python-pyftpdlib]
Details (2)
2.0.1-1· all · trixieFixed · Fixed:
0.5.2-1dsa · python-pyftpdlib · debian · 13
2.0.1-1· all · trixieFixed · Fixed:
0.5.2-1dsa · python-pyftpdlib · debian · 13
Observed: