CVE-2009-2426
The connection_edge_process_relay_cell_not_open function in src/or/relay.c in Tor 0.2.x before 0...
The connection_edge_process_relay_cell_not_open function in src/or/relay.c in Tor 0.2.x before 0.2.0.35 and 0.1.x before 0.1.2.8-beta allows exit relays to have an unspecified impact by causing controllers to accept DNS responses that redirect to an internal IP address via unknown vectors. NOTE: some of these details are obtained from third party information.
Exploit likelihood
What each source reports
NVD Score used
The connection_edge_process_relay_cell_not_open function in src/or/relay.c in Tor 0.2.x before 0.2.0.35 and 0.1.x before 0.1.2.8-beta allows exit relays to have an unspecified impact by causing controllers to accept DNS responses that redirect to an internal IP address via unknown vectors. NOTE: some of these details are obtained from third party information.
- Record
CVE-2009-2426- CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Updated
- 2026-11-02
CVE List No score
The connection_edge_process_relay_cell_not_open function in src/or/relay.c in Tor 0.2.x before 0.2.0.35 and 0.1.x before 0.1.2.8-beta allows exit relays to have an unspecified impact by causing controllers to accept DNS responses that redirect to an internal IP address via unknown vectors. NOTE: some of these details are obtained from third party information.
- Record
CVE-2009-2426- Updated
- 2026-11-02
EUVDEUVD-2009-2421 No score
The connection_edge_process_relay_cell_not_open function in src/or/relay.c in Tor 0.2.x before 0.2.0.35 and 0.1.x before 0.1.2.8-beta allows exit relays to have an unspecified impact by causing controllers to accept DNS responses that redirect to an internal IP address via unknown vectors. NOTE: some of these details are obtained from third party information.
- Record
EUVD-2009-2421- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-r3c9-qr4c-gm4p No score
The connection_edge_process_relay_cell_not_open function in src/or/relay.c in Tor 0.2.x before 0...
The connection_edge_process_relay_cell_not_open function in src/or/relay.c in Tor 0.2.x before 0.2.0.35 and 0.1.x before 0.1.2.8-beta allows exit relays to have an unspecified impact by causing controllers to accept DNS responses that redirect to an internal IP address via unknown vectors. NOTE: some of these details are obtained from third party information.
- Record
GHSA-r3c9-qr4c-gm4p- Updated
- 2026-11-02
OSV No score
The connection_edge_process_relay_cell_not_open function in src/or/relay.c in Tor 0.2.x before 0.2.0.35 and 0.1.x before 0.1.2.8-beta allows exit relays to have an unspecified impact by causing controllers to accept DNS responses that redirect to an internal IP address via unknown vectors. NOTE: some of these details are obtained from third party information.
- Record
CVE-2009-2426- Updated
- 2026-11-02
OSVDEBIAN-CVE-2009-2426 No score
The connection_edge_process_relay_cell_not_open function in src/or/relay.c in Tor 0.2.x before 0.2.0.35 and 0.1.x before 0.1.2.8-beta allows exit relays to have an unspecified impact by causing controllers to accept DNS responses that redirect to an internal IP address via unknown vectors. NOTE: some of these details are obtained from third party information.
- Record
DEBIAN-CVE-2009-2426- Updated
- 2026-11-02
Affected products
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2009-2426 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 1.92%, the 80th percentile. Fixed in tor 0.2.0.35-1.
References
secunia.com/advisories/35546
archives.seul.org/or/announce/Jun-2009/msg00000.html
exchange.xforce.ibmcloud.com/vulnerabilities/51377
vupen.com/english/advisories/2009/1716
securityfocus.com/bid/35505
osvdb.org/55341
nvd.nist.gov/vuln/detail/CVE-2009-2426
github.com/advisories/GHSA-r3c9-qr4c-gm4p
security-tracker.debian.org/tracker/CVE-2009-2426