VDB
CVE-2019-25076
CVE-2019-25076
PUBLISHED
CVSS 5.800000190734863 MEDIUM
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.
EPSS 2.28% · 81.9th percentile
Risk Scores
CVSS 3.1
5.800000190734863
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L
EPSS Score
2.28%
81.9th percentile
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Ubuntu:25.10 | openvswitch | 3.5.0-1build1, 3.6.0-2, 0 |
| Ubuntu:24.04:LTS | openvswitch | 3.3.0~git20240118.e802fe7-2, 3.3.0~git20240118.e802fe7-3, * |
| Ubuntu:22.04:LTS | openvswitch | *, 0, 2.16.0-0ubuntu2 |
| Ubuntu:20.04:LTS | openvswitch | 2.13.8-0ubuntu1, 0, 2.12.0-0ubuntu1 |
| Ubuntu:Pro:16.04:LTS | openvswitch | 2.5.9-0ubuntu0.16.04.2, 2.4.0-0ubuntu5, 2.5.0~git20160129.46a88d9-0ubuntu1 |
| Ubuntu:Pro:18.04:LTS | openvswitch | 0, 2.8.0-0ubuntu2, 2.8.1-0ubuntu3 |
Timeline
- Sep 8, 2022 CVE Published
- Sep 9, 2022 EPSS Score
- Oct 24, 2022 EPSS Score
- Dec 9, 2022 EPSS Score
- Jan 23, 2023 EPSS Score
- Mar 9, 2023 EPSS Score
- Apr 24, 2023 EPSS Score
- Jun 8, 2023 EPSS Score
- Jul 23, 2023 EPSS Score
- Sep 6, 2023 EPSS Score
- Oct 22, 2023 EPSS Score
- Dec 6, 2023 EPSS Score
References
- https://ubuntu.com/security/CVE-2019-25076 third-party-advisory
- https://arxiv.org/abs/2011.09107 third-party-advisory
- https://www.youtube.com/watch?v=DSC3m-Bww64 third-party-advisory
- https://www.youtube.com/watch?v=5cHpzVK0D28 third-party-advisory
- https://sites.google.com/view/tuple-space-explosion third-party-advisory
- https://dl.acm.org/citation.cfm?doid=3359989.3365431 third-party-advisory
- https://www.cve.org/CVERecord?id=CVE-2019-25076 third-party-advisory