Unspecified vulnerability in Tor before 0.2.0.34 allows directory mirrors to cause a…
Priority LOW 27Published · 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
Unspecified vulnerability in Tor before 0.2.0.34 allows directory mirrors to cause a denial of service (exit node crash) via "malformed input."
Why it matters now
EPSS 0.0192 80th 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
CPE configurations NVD · 30
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:tor:tor:*:*:*:*:*:*:*:* | up to 0.2.0.33 | Vulnerable | Tor |
| cpe:2.3:a:tor:tor:0.2.0.1:alpha:*:*:*:*:*:* | 0.2.0.1 alpha | Vulnerable | Tor |
| cpe:2.3:a:tor:tor:0.2.0.2:alpha:*:*:*:*:*:* | 0.2.0.2 alpha | Vulnerable | Tor |
| cpe:2.3:a:tor:tor:0.2.0.3:alpha:*:*:*:*:*:* | 0.2.0.3 alpha | Vulnerable | Tor |
| cpe:2.3:a:tor:tor:0.2.0.4:alpha:*:*:*:*:*:* | 0.2.0.4 alpha | Vulnerable | Tor |
| cpe:2.3:a:tor:tor:0.2.0.5:alpha:*:*:*:*:*:* | 0.2.0.5 alpha | Vulnerable | Tor |
| cpe:2.3:a:tor:tor:0.2.0.6:alpha:*:*:*:*:*:* | 0.2.0.6 alpha | Vulnerable | Tor |
| cpe:2.3:a:tor:tor:0.2.0.10:alpha:*:*:*:*:*:* | 0.2.0.10 alpha | Vulnerable | Tor |
| cpe:2.3:a:tor:tor:0.2.0.11:alpha:*:*:*:*:*:* | 0.2.0.11 alpha | Vulnerable | Tor |
| cpe:2.3:a:tor:tor:0.2.0.12:alpha:*:*:*:*:*:* | 0.2.0.12 alpha | Vulnerable | Tor |
- cpe:2.3:a:tor:tor:*:*:*:*:*:*:*:* Versions up to 0.2.0.33 Vulnerable ·Tor
- cpe:2.3:a:tor:tor:0.2.0.1:alpha:*:*:*:*:*:* Versions 0.2.0.1 alpha Vulnerable ·Tor
- cpe:2.3:a:tor:tor:0.2.0.2:alpha:*:*:*:*:*:* Versions 0.2.0.2 alpha Vulnerable ·Tor
- cpe:2.3:a:tor:tor:0.2.0.3:alpha:*:*:*:*:*:* Versions 0.2.0.3 alpha Vulnerable ·Tor
- cpe:2.3:a:tor:tor:0.2.0.4:alpha:*:*:*:*:*:* Versions 0.2.0.4 alpha Vulnerable ·Tor
- cpe:2.3:a:tor:tor:0.2.0.5:alpha:*:*:*:*:*:* Versions 0.2.0.5 alpha Vulnerable ·Tor
- cpe:2.3:a:tor:tor:0.2.0.6:alpha:*:*:*:*:*:* Versions 0.2.0.6 alpha Vulnerable ·Tor
- cpe:2.3:a:tor:tor:0.2.0.10:alpha:*:*:*:*:*:* Versions 0.2.0.10 alpha Vulnerable ·Tor
- cpe:2.3:a:tor:tor:0.2.0.11:alpha:*:*:*:*:*:* Versions 0.2.0.11 alpha Vulnerable ·Tor
- cpe:2.3:a:tor:tor:0.2.0.12:alpha:*:*:*:*:*:* Versions 0.2.0.12 alpha Vulnerable ·Tor
Show 20 more CPE
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:tor:tor:0.2.0.13:alpha:*:*:*:*:*:* | 0.2.0.13 alpha | Vulnerable | Tor |
| cpe:2.3:a:tor:tor:0.2.0.14:alpha:*:*:*:*:*:* | 0.2.0.14 alpha | Vulnerable | Tor |
| cpe:2.3:a:tor:tor:0.2.0.15:alpha:*:*:*:*:*:* | 0.2.0.15 alpha | Vulnerable | Tor |
| cpe:2.3:a:tor:tor:0.2.0.16:alpha:*:*:*:*:*:* | 0.2.0.16 alpha | Vulnerable | Tor |
| cpe:2.3:a:tor:tor:0.2.0.17:alpha:*:*:*:*:*:* | 0.2.0.17 alpha | Vulnerable | Tor |
| cpe:2.3:a:tor:tor:0.2.0.18:alpha:*:*:*:*:*:* | 0.2.0.18 alpha | Vulnerable | Tor |
| cpe:2.3:a:tor:tor:0.2.0.19:alpha:*:*:*:*:*:* | 0.2.0.19 alpha | Vulnerable | Tor |
| cpe:2.3:a:tor:tor:0.2.0.20:alpha:*:*:*:*:*:* | 0.2.0.20 alpha | Vulnerable | Tor |
| cpe:2.3:a:tor:tor:0.2.0.21:alpha:*:*:*:*:*:* | 0.2.0.21 alpha | Vulnerable | Tor |
| cpe:2.3:a:tor:tor:0.2.0.22:alpha:*:*:*:*:*:* | 0.2.0.22 alpha | Vulnerable | Tor |
| cpe:2.3:a:tor:tor:0.2.0.23:alpha:*:*:*:*:*:* | 0.2.0.23 alpha | Vulnerable | Tor |
| cpe:2.3:a:tor:tor:0.2.0.24:alpha:*:*:*:*:*:* | 0.2.0.24 alpha | Vulnerable | Tor |
| cpe:2.3:a:tor:tor:0.2.0.25:alpha:*:*:*:*:*:* | 0.2.0.25 alpha | Vulnerable | Tor |
| cpe:2.3:a:tor:tor:0.2.0.26:alpha:*:*:*:*:*:* | 0.2.0.26 alpha | Vulnerable | Tor |
| cpe:2.3:a:tor:tor:0.2.0.27:alpha:*:*:*:*:*:* | 0.2.0.27 alpha | Vulnerable | Tor |
| cpe:2.3:a:tor:tor:0.2.0.28:alpha:*:*:*:*:*:* | 0.2.0.28 alpha | Vulnerable | Tor |
| cpe:2.3:a:tor:tor:0.2.0.29:alpha:*:*:*:*:*:* | 0.2.0.29 alpha | Vulnerable | Tor |
| cpe:2.3:a:tor:tor:0.2.0.30:alpha:*:*:*:*:*:* | 0.2.0.30 alpha | Vulnerable | Tor |
| cpe:2.3:a:tor:tor:0.2.0.31:alpha:*:*:*:*:*:* | 0.2.0.31 alpha | Vulnerable | Tor |
| cpe:2.3:a:tor:tor:0.2.0.32:alpha:*:*:*:*:*:* | 0.2.0.32 alpha | Vulnerable | Tor |
- cpe:2.3:a:tor:tor:0.2.0.13:alpha:*:*:*:*:*:* Versions 0.2.0.13 alpha Vulnerable ·Tor
- cpe:2.3:a:tor:tor:0.2.0.14:alpha:*:*:*:*:*:* Versions 0.2.0.14 alpha Vulnerable ·Tor
- cpe:2.3:a:tor:tor:0.2.0.15:alpha:*:*:*:*:*:* Versions 0.2.0.15 alpha Vulnerable ·Tor
- cpe:2.3:a:tor:tor:0.2.0.16:alpha:*:*:*:*:*:* Versions 0.2.0.16 alpha Vulnerable ·Tor
- cpe:2.3:a:tor:tor:0.2.0.17:alpha:*:*:*:*:*:* Versions 0.2.0.17 alpha Vulnerable ·Tor
- cpe:2.3:a:tor:tor:0.2.0.18:alpha:*:*:*:*:*:* Versions 0.2.0.18 alpha Vulnerable ·Tor
- cpe:2.3:a:tor:tor:0.2.0.19:alpha:*:*:*:*:*:* Versions 0.2.0.19 alpha Vulnerable ·Tor
- cpe:2.3:a:tor:tor:0.2.0.20:alpha:*:*:*:*:*:* Versions 0.2.0.20 alpha Vulnerable ·Tor
- cpe:2.3:a:tor:tor:0.2.0.21:alpha:*:*:*:*:*:* Versions 0.2.0.21 alpha Vulnerable ·Tor
- cpe:2.3:a:tor:tor:0.2.0.22:alpha:*:*:*:*:*:* Versions 0.2.0.22 alpha Vulnerable ·Tor
- cpe:2.3:a:tor:tor:0.2.0.23:alpha:*:*:*:*:*:* Versions 0.2.0.23 alpha Vulnerable ·Tor
- cpe:2.3:a:tor:tor:0.2.0.24:alpha:*:*:*:*:*:* Versions 0.2.0.24 alpha Vulnerable ·Tor
- cpe:2.3:a:tor:tor:0.2.0.25:alpha:*:*:*:*:*:* Versions 0.2.0.25 alpha Vulnerable ·Tor
- cpe:2.3:a:tor:tor:0.2.0.26:alpha:*:*:*:*:*:* Versions 0.2.0.26 alpha Vulnerable ·Tor
- cpe:2.3:a:tor:tor:0.2.0.27:alpha:*:*:*:*:*:* Versions 0.2.0.27 alpha Vulnerable ·Tor
- cpe:2.3:a:tor:tor:0.2.0.28:alpha:*:*:*:*:*:* Versions 0.2.0.28 alpha Vulnerable ·Tor
- cpe:2.3:a:tor:tor:0.2.0.29:alpha:*:*:*:*:*:* Versions 0.2.0.29 alpha Vulnerable ·Tor
- cpe:2.3:a:tor:tor:0.2.0.30:alpha:*:*:*:*:*:* Versions 0.2.0.30 alpha Vulnerable ·Tor
- cpe:2.3:a:tor:tor:0.2.0.31:alpha:*:*:*:*:*:* Versions 0.2.0.31 alpha Vulnerable ·Tor
- cpe:2.3:a:tor:tor:0.2.0.32:alpha:*:*:*:*:*:* Versions 0.2.0.32 alpha Vulnerable ·Tor
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Timeline
- 2026-10-02 Threatist record created from CVE-2009-0938
- 2026-10-03 Alias added: GHSA-p3mc-whjq-822x
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-2009-0938 · CVE Program
- CVE-2009-0938 · NVD
- FIRST EPSS
- GHSA-p3mc-whjq-822x · GitHub Advisory Database · CC BY 4.0
- CVE-2009-0938 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences