CVE-2019-25076 - CVE House
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Status published Medium CVE-2019-25076

The TSS (Tuple Space Search) algorithm in Open vSwitch 2.x...

Vulnerability 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.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

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CVE-2018-17206
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CVE-2018-17205
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CVE-2018-17204
An issue was discovered in Open vSwitch (OvS) 2.7.x through...
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CVE-2017-9265
In Open vSwitch (OvS) v2.7.0, there is a buffer over-read...
Critical 9.8

Affected Vendor

openvswitch

View all reports →

Affected Software

openvswitch
Vulnerable Versions:
2.0.0, 3.0.0

Timeline

Official Publish: September 8th, 2022
Last Modified: August 5th, 2024
Added to House: July 20th, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.