CVE-2019-8955

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CVSS 3.0

7.5 high

EPSS

5%p91

Published

Feb 21, 2019 (Feb 21, 2019)

Modified

Jun 17, 2026

Description

In Tor before 0.3.3.12, 0.3.4.x before 0.3.4.11, 0.3.5.x before 0.3.5.8, and 0.4.x before 0.4.0.2-alpha, remote denial of service against Tor clients and relays can occur via memory exhaustion in the KIST cell scheduler.

Vendors: torproject
Products: tor
Weakness: CWE-770
Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

NVD CVE.org GitHub PoCs EPSS (4.6%)

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