Name: CVE-2026-87724: Incorrect Resource Transfer Between Spheres
Creator: Rapid7
Published: 2026-09-09T00:00:00.000Z
License: https://www.rapid7.com/legal/website-terms-of-use/
Keywords: CVE, CVE-2026-87724, CWE-669, CVSS 6.5, EPSS 0.00429

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.

CVSS Details

CVSS 3.1 Base Score: 6.5
CVSS 3.1 Vector: (CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:H)

Covered by Rapid7

Product	Vendor Advisory	Solution File	Added	Published
Debian	—	Upgrade tor	Sep 21, 2026	Sep 9, 2026

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CVSS Details

Covered by Rapid7

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