Tor before 0.2.0.35 allows remote attackers to cause a denial of service (application…
Priority LOW 28CWE-20Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- None · None · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
Tor before 0.2.0.35 allows remote attackers to cause a denial of service (application crash) via a malformed router descriptor.
Why it matters now
EPSS 0.02517 84th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2009-2425
- 2026-10-03 Alias added: GHSA-g9ch-j48j-jfg7
References
More Tor vulnerabilities
- 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-2009-00893 Tor before 0.2.0.34 treats incomplete IPv4 addresses as valid, which has unknown impact… 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
Sources
- CVE-2009-2425 · CVE Program
- CVE-2009-2425 · NVD
- FIRST EPSS
- GHSA-g9ch-j48j-jfg7 · GitHub Advisory Database · CC BY 4.0
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