CVE-2009-2425
Tor before 0.2.0.35 allows remote attackers to cause a denial of service (application crash) via...
CVE-2009-2425 is a medium vulnerability (CVSS 5.0) in Tor, published July 10, 2009. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.52%, the 84th percentile. Fixed in tor 0.2.0.35-1.
Tor before 0.2.0.35 allows remote attackers to cause a denial of service (application crash) via a malformed router descriptor.
Exploit likelihood
What each source reports
NVD Score used
Tor before 0.2.0.35 allows remote attackers to cause a denial of service (application crash) via a malformed router descriptor.
- Record
CVE-2009-2425- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-20
- Updated
- 2026-11-02
CVE List No score
Tor before 0.2.0.35 allows remote attackers to cause a denial of service (application crash) via a malformed router descriptor.
- Record
CVE-2009-2425- Updated
- 2026-11-02
EUVDEUVD-2009-2420 No score
Tor before 0.2.0.35 allows remote attackers to cause a denial of service (application crash) via a malformed router descriptor.
- Record
EUVD-2009-2420- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-g9ch-j48j-jfg7 No score
Tor before 0.2.0.35 allows remote attackers to cause a denial of service (application crash) via...
Tor before 0.2.0.35 allows remote attackers to cause a denial of service (application crash) via a malformed router descriptor.
- Record
GHSA-g9ch-j48j-jfg7- Weakness
- CWE-20
- Updated
- 2026-11-02
OSV No score
Tor before 0.2.0.35 allows remote attackers to cause a denial of service (application crash) via a malformed router descriptor.
- Record
CVE-2009-2425- Updated
- 2026-11-02
OSVDEBIAN-CVE-2009-2425 No score
Tor before 0.2.0.35 allows remote attackers to cause a denial of service (application crash) via a malformed router descriptor.
- Record
DEBIAN-CVE-2009-2425- Updated
- 2026-11-02
Affected products
Affected packages
History
| When | Changed | Sources |
|---|---|---|
| 2026-11-03 | aliases | EUVD |
| 2026-11-02 | created | CVE List, GitHub Advisories, NVD, OSV |
References
secunia.com/advisories/35546
archives.seul.org/or/announce/Jun-2009/msg00000.html
exchange.xforce.ibmcloud.com/vulnerabilities/51376
osvdb.org/55340
vupen.com/english/advisories/2009/1716
securityfocus.com/bid/35505
nvd.nist.gov/vuln/detail/CVE-2009-2425
github.com/advisories/GHSA-g9ch-j48j-jfg7
security-tracker.debian.org/tracker/CVE-2009-2425