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CVE-2026-77584

8.2 high SSVC exploitation: none Analyzed
NVD · CVE.org

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 RELAY_COMMAND_BEGIN before the CONFLUX_LINK on the same circuit, attaching an exit stream that would later end up orphan leaving a dangling circuit back-pointer and a use-after-free (UAF) when the circuit is freed. This is TROVE-2026-025.

Fix

Patch, vendor advisory and mitigation references on NVD 1

Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.

Change history 1

  1. First seenCVSS 8.2 · torprojectNVD modified 2026-10-18 20:10

Affected (CPE criteria) 1

  • cpe:2.3:a:torproject:tor:*:*:*:*:*:*:*:*

References 1