Medium severity5.8NVD Advisory· Published Sep 8, 2022· Updated Jun 17, 2026
CVE-2019-25076
CVE-2019-25076
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.
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LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
4cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:openvswitch:openvswitch:*:*:*:*:*:*:*:*range: >=2.0.0,<=2.17.2
- cpe:2.3:a:openvswitch:openvswitch:3.0.0:*:*:*:*:*:*:*
- (no CPE)range: 2.x - 3.0.0
- Open vSwitch/Open vSwitchdescription
Patches
Vulnerability mechanics
References
5- sites.google.com/view/tuple-space-explosionnvdExploitThird Party Advisory
- www.youtube.com/watchnvdExploitThird Party Advisory
- www.youtube.com/watchnvdExploitThird Party Advisory
- arxiv.org/abs/2011.09107nvdThird Party Advisory
- dl.acm.org/citation.cfmnvdThird Party Advisory
News mentions
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