CVE-2019-25076

PoC ×3—

CVSS 3.1

5.8 medium

EPSS

2%p82

Published

Sep 8, 2022 (Sep 8, 2022)

Modified

Jun 17, 2026

Description

The TSS (Tuple Space Search) algorithm in Open vSwitch 2.x through 2.17.2 and 3.0.0 allows remote attackers to cause a denial of service (delays of legitimate traffic) via crafted packet data that requires excessive evaluation time within the packet classification algorithm for the MegaFlow cache, aka a Tuple Space Explosion (TSE) attack.

Vendors: openvswitch
Products: openvswitch
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L

NVD CVE.org GitHub PoCs EPSS (2.3%)

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