What’s Vulnerable › Products

torproject Tor vulnerabilities

49 known vulnerabilities, 1 confirmed exploited in the wild (CISA KEV), 14 published in the last 12 months.

Check whether your torproject Tor version is affected

Exploited torproject Tor vulnerabilities

• CVE-2016-9079 — Mozilla Firefox, Firefox ESR, and Thunderbird Use-After-Free Vulnerability

Latest torproject Tor vulnerabilities

• CVE-2026-77642 — (CVSS 9.3)
• CVE-2026-77641 — (CVSS 8.2)
• CVE-2026-77640 — (CVSS 5.3)
• CVE-2026-77639 — (CVSS 5.3)
• CVE-2026-77638 — (CVSS 9.0)
• CVE-2026-77587 — (CVSS 7.5)
• CVE-2026-77584 — (CVSS 8.2)
• CVE-2026-44603 — (CVSS 9.1)
• CVE-2026-44602 — (CVSS 7.5)
• CVE-2026-44601 — (CVSS 7.5)
• CVE-2026-44600 — (CVSS 5.3)
• CVE-2026-44599 — (CVSS 5.3)
• CVE-2026-44597 — (CVSS 9.1)
• CVE-2025-4444 — Tor Onion Service Descriptor resource consumption (CVSS 3.7)
• CVE-2023-23589 — (CVSS 6.5)
• CVE-2022-33903 — (CVSS 7.5)
• CVE-2021-46702 — (CVSS 5.5)
• CVE-2021-38385 — (CVSS 7.5)
• CVE-2021-34550 — (CVSS 7.5)
• CVE-2021-34549 — (CVSS 7.5)
• CVE-2021-34548 — (CVSS 7.5)
• CVE-2021-28090 — (CVSS 5.3)
• CVE-2021-28089 — (CVSS 7.5)
• CVE-2020-15572 — (CVSS 7.5)
• CVE-2020-10593 — (CVSS 7.5)