CVE catalog

CVE-2010-3494

python-pyftpdlib: CVE-2010-3494

[CVE catalog]

Severity
Medium
Published
Source
[NVD] · [CVE record]
EPSS
2.29% · 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 accept function having an unexpected value of None for the address, or an ECONNABORTED, EAGAIN, or EWOULDBLOCK error, a related issue to CVE-2010-3492.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

DistributionPackageReleaseVersionStatus
Debianpython-pyftpdlibsid2.2.0-1fixed
Debianpython-pyftpdlibforky2.2.0-1fixed
Debianpython-pyftpdlibtrixie2.0.1-1fixed
Debianpython-pyftpdlibbookworm1.5.7-3fixed
Ubuntupython-pyftpdlib16.041.2.0-1vulnerable
Ubuntupython-pyftpdlib16.041.4.0-1vulnerable
Ubuntupython-pyftpdlib18.041.5.1-4ubuntu1vulnerable
Ubuntupython-pyftpdlib20.041.5.4-1vulnerable
Ubuntupython-pyftpdlib20.041.5.4-2build1vulnerable

Fixed-version evidence

DistributionPackageTypeReleaseFixed versionUrgencyOriginBugs
Debianpython-pyftpdlibsourcesid0.5.2-1lowNot reportedNot reported
Debianpython-pyftpdlibsourceforky0.5.2-1lowNot reportedNot reported
Debianpython-pyftpdlibsourcetrixie0.5.2-1lowNot reportedNot reported
Debianpython-pyftpdlibsourcebookworm0.5.2-1lowNot reportedNot reported

OpenFactory catalog packages

[Debian 12 (Bookworm)]

  • Source package: [python-pyftpdlib]

    Details (2)
    • 1.5.7-3 · all · bookworm

      Fixed · Fixed: 0.5.2-1

      dsa · python-pyftpdlib · debian · bookworm; dsa · python-pyftpdlib · debian · 12

    • 1.5.7-3 · all · bookworm

      Fixed · Fixed: 0.5.2-1

      dsa · python-pyftpdlib · debian · bookworm; dsa · python-pyftpdlib · debian · 12

  • Source package: [python-pyftpdlib]

    Details (2)
    • 1.5.7-3 · all · bookworm

      Fixed · Fixed: 0.5.2-1

      dsa · python-pyftpdlib · debian · bookworm; dsa · python-pyftpdlib · debian · 12

    • 1.5.7-3 · all · bookworm

      Fixed · Fixed: 0.5.2-1

      dsa · python-pyftpdlib · debian · bookworm; dsa · python-pyftpdlib · debian · 12

[Debian 13 (Trixie)]

  • Source package: [python-pyftpdlib]

    Details (2)
    • 2.0.1-1 · all · trixie

      Fixed · Fixed: 0.5.2-1

      dsa · python-pyftpdlib · debian · 13

    • 2.0.1-1 · all · trixie

      Fixed · Fixed: 0.5.2-1

      dsa · python-pyftpdlib · debian · 13

  • Source package: [python-pyftpdlib]

    Details (2)
    • 2.0.1-1 · all · trixie

      Fixed · Fixed: 0.5.2-1

      dsa · python-pyftpdlib · debian · 13

    • 2.0.1-1 · all · trixie

      Fixed · Fixed: 0.5.2-1

      dsa · python-pyftpdlib · debian · 13

Observed:

References