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In Tor before 0.2.5.16, 0.2.6 through 0.2.8 before 0.2.8.17, 0.2.9 before 0.2.9.14, 0.3.0 before 0.3.0.13, and 0.3.1 before 0.3.1.9, the replay-cache protection mechanism is ineffective for v2 onion services, aka TROVE-2017-009. An attacker can send many INTRODUCE2 cells to trigger this issue.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade tor | Dec 8, 2017 | Dec 3, 2017 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | Dec 3, 2017 |
| Debian | — | Upgrade tor | Dec 4, 2017 | Dec 2, 2017 |
| Freebsd | — | Upgrade tor | Dec 14, 2017 | Dec 14, 2017 |
| Suse | — | Upgrade tor | Dec 2, 2017 | Dec 2, 2017 |
| Ubuntu | — | Upgrade tor | Nov 19, 2024 | Dec 3, 2017 |
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