The hidden-service feature in Tor before 0.3.0.8 allows a denial of service (assertion failure and daemon exit) in the connection_edge_process_relay_cell function via a BEGIN_DIR cell on a rendezvous circuit
Published Jun 9, 2017
7.5
HIGHCVSS 3.0
EPSS 2.18%
Description
The hidden-service feature in Tor before 0.3.0.8 allows a denial of service (assertion failure and daemon exit) in the connection_edge_process_relay_cell function via a BEGIN_DIR cell on a rendezvous circuit.
Affected products
- Vendor n/a Product Tor before 0.3.0.8 Defaultn/a
- Version Tor before 0.3.0.8StatusaffectedConstraints-
- Version
Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).
| Vendor | Product | Default status | Versions | ||||||
|---|---|---|---|---|---|---|---|---|---|
| n/a | Tor before 0.3.0.8 | n/a |
|
Configuration 1
- < 0.3.0.8
Configuration 2
- 8.0
- 9.0
No data.
No Red Hat product state for this CVE.
No package ranges for this CVE.
Remediation
No remediation recorded yet.
Metrics
No CVSS v4.0 score for this CVE.
No CVSS v3.1 score for this CVE.
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
AV:N/AC:L/Au:N/C:N/I:N/A:P
This CVE is not in the KEV list.
No CISA SSVC assessment for this CVE yet.
Estimated probability of exploitation in the wild in the next 30 days (FIRST EPSS). As of Oct 1, 2026.
Score over time
2021–2026- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Percentile over time
- EPSS v1
- EPSS v5
- EPSS v2
- EPSS v3
Table of values (10 key points)
Flat stretches are collapsed; showing up to 120 newest points.
| Date | Score | Percentile | Model |
|---|---|---|---|
| Oct 1, 2026 | 2.18% (0.02176) | 81.67th | v5 (v2026.06.15) |
| Sep 20, 2026 | 2.18% (0.02176) | 81.53th | v5 (v2026.06.15) |
| Jul 20, 2024 | 0.39% (0.00388) | 73.46th | v3 (v2023.03.01) |
| Feb 8, 2024 | 0.39% (0.00388) | 72.48th | v3 (v2023.03.01) |
| Sep 3, 2023 | 0.39% (0.00388) | 69.86th | v3 (v2023.03.01) |
| Mar 7, 2023 | 0.32% (0.00322) | 65.96th | v3 (v2023.03.01) |
| Mar 6, 2023 | 1.02% (0.01018) | 40.69th | v2 (v2022.01.01) |
| Feb 4, 2022 | 1.02% (0.01018) | 19.50th | v2 (v2022.01.01) |
| Feb 3, 2022 | 1.29% (0.01294) | 30.79th | v5 (v2026.06.15) |
| Apr 14, 2021 | 1.29% (0.01294) | 0.00th | v1 |
References (4)
- http://www.debian.org/security/2017/dsa-3877 vendor-advisoryx_refsource_DEBIANThird Party Advisory
- https://github.com/torproject/tor/commit/56a7c5bc15e0447203a491c1ee37de9939ad1dcd x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory
- https://lists.torproject.org/pipermail/tor-announce/2017-June/000131.html x_refsource_CONFIRMMailing ListThird Party Advisory
- https://trac.torproject.org/projects/tor/ticket/22494 x_refsource_CONFIRMIssue TrackingThird Party Advisory
| Link | Providers | Tags |
|---|---|---|
| http://www.debian.org/security/2017/dsa-3877 | vendor-advisoryx_refsource_DEBIANThird Party Advisory | |
| https://github.com/torproject/tor/commit/56a7c5bc15e0447203a491c1ee37de9939ad1dcd | x_refsource_CONFIRMIssue TrackingPatchThird Party Advisory | |
| https://lists.torproject.org/pipermail/tor-announce/2017-June/000131.html | x_refsource_CONFIRMMailing ListThird Party Advisory | |
| https://trac.torproject.org/projects/tor/ticket/22494 | x_refsource_CONFIRMIssue TrackingThird Party Advisory |
Change history (0)
No recorded changes yet.