torproject Tor vulnerabilities

Newest CVEs

• CVE-2026-77642

  tor before 0.4.9.9 was prone to an out-of-bounds write when parsing a consensus or detached signature with unexpected signature digest type. Impact is minor…

  torproject · Tor

  High7.5
• CVE-2026-77641

  tor before 0.4.9.9 was prone to a NULL write after free when sending a CONFLUX_SWITCH cell fails. The return value of relay_send_command_from_edge() was…

  torproject · Tor

  Medium6.5
• CVE-2026-77640

  tor before 0.4.9.9 was prone to an infinite loop when decompressing a truncated zlib/gzip stream with done=1. A truncated stream never reaches Z_STREAM_END,…

  torproject · Tor

  Low3.7
• CVE-2026-77639

  Tor before 0.4.9.9 was prone to a compression bomb bypass where an attacker could concatenate many gzip or zlib sub-streams, each just under the per-stream…

  torproject · Tor

  Medium5.3
• CVE-2026-77638

  Tor before 0.4.9.11 is prone to a race condition where in just the right circumstances a rendezvous point could man-in-the-middle (impersonate) the onion…

  torproject · Tor

  High8.9
• CVE-2026-77587

  Tor before 0.4.9.11 is prone to a use-after-free (and potential double free) of a conflux object when a recovery leg revives a conflux set whose last linked…

  torproject · Tor

  Medium5.9
• CVE-2026-77584

  Tor before 0.4.9.10 did not reject a CONFLUX_LINK cell that arrives on a circuit which already has attached streams. A malicious client could send a…

  torproject · Tor

  High7.0
• CVE-2026-44603

  Tor before 0.4.9.7 has an out-of-bounds read by one byte via a malformed BEGIN cell, aka TROVE-2026-007.

  torproject · Tor

  Low3.7
• CVE-2026-44602

  Tor before 0.4.9.7 has a NULL pointer dereference when a CERT cell is received out of order, aka TROVE-2026-006.

  torproject · Tor

  Low3.7
• CVE-2026-44601

  Tor before 0.4.9.7, when circuit queue memory pressure exists, can experience a client crash because of a double close of a circuit, aka TROVE-2026-009.

  torproject · Tor

  Low3.7