Tor before 0.2.0.34 treats incomplete IPv4 addresses as valid, which has unknown impact…

Not available: CISA has not published SSVC decision points for this record.

• — Vendor— Affected all versions Fixed in — No fix listed CNA

No fixed version listed by the sources yet.

1. 2026-10-02 Threatist record created from CVE-2009-0939
2. 2026-10-03 Alias added: GHSA-4v97-9crm-p348

• TI-2010-01618 Heap-based buffer overflow in Tor before 0.2.1.28 and 0.2.2.x before 0.2.2.20-alpha… CVSS 2.0HIGH 10.0
• TI-2009-00394 Unspecified vulnerability in Tor before 0.2.0.33 has unspecified impact and remote attack… CVSS 2.0HIGH 10.0
• TI-2008-05138 Tor before 0.2.0.32 does not properly process the ClientDNSRejectInternalAddresses… CVSS 2.0HIGH 9.3
• TI-2011-02436 Multiple heap-based buffer overflows in Tor before 0.2.2.35 allow remote attackers to… CVSS 2.0HIGH 7.6
• TI-2006-03307 Integer overflow in Tor before 0.1.1.20 allows remote attackers to execute arbitrary code… CVSS 2.0HIGH 7.5
• TI-2011-00355 Heap-based buffer overflow in Tor before 0.2.1.29 and 0.2.2.x before 0.2.2.21-alpha… CVSS 2.0MEDIUM 6.8

• CVE-2009-0939 · CVE Program
• CVE-2009-0939 · NVD
• FIRST EPSS
• GHSA-4v97-9crm-p348 · GitHub Advisory Database · CC BY 4.0
• CVE-2009-0939 · Red Hat security data · CC BY 4.0

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