kbrain

CVE-2009-0939

HIGH · CVSS 10.0EPSS 2.1%EU EUVD

Tor before 0.2.0.34 treats incomplete IPv4 addresses as valid, which has unknown impact and attack vectors related to "Spec conformance," as demonstrated using 192.168.0.

Key facts

CVSS score
10.0 (v2.0)
Severity
HIGH
CVSS vector
AV:N/AC:L/Au:N/C:C/I:C/A:C
EPSS score
2.1% (81th percentile)
In CISA KEV
No
In EU EUVD
Yes (EUVD-2009-0936)
Published
March 18, 2009
NVD last modified
June 16, 2026
Status
Modified

EU Vulnerability Database (EUVD)

This vulnerability is also tracked by ENISA as EUVD-2009-0936 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.

View on the EU Vulnerability Database

Affected products

  • tor / tor
  • tor / tor
  • tor / tor
  • tor / tor
  • tor / tor
  • tor / tor
  • tor / tor
  • tor / tor
  • tor / tor
  • tor / tor
  • tor / tor
  • tor / tor
  • tor / tor
  • tor / tor
  • tor / tor
  • tor / tor
  • tor / tor
  • tor / tor
  • tor / tor
  • tor / tor
  • tor / tor
  • tor / tor
  • tor / tor
  • tor / tor
  • tor / tor
  • tor / tor
  • tor / tor
  • tor / tor
  • tor / tor
  • tor / tor

References

Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS

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