PT-2026-88760 · Torproject · Tor

CVE-2026-87724

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Published

2026-09-09

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Updated

2026-09-09

CVSS v3.1

6.5

Medium

VectorAV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H
Tor before 0.4.9.12 interprets the CC RESPONSE extension even when CC REQUEST was not sent, which allows remote attackers to cause a denial of service (crash) because of corrupted congestion-control state. This is TROVE-2026-032.

Fix

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Weakness Enumeration

Related Identifiers

CVE-2026-87724

Affected Products

Tor