
CVE catalog
CVE-2019-25076
openvswitch: CVE-2019-25076
- Severity
- Medium · CVSS 5.8
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:L - Published
- Source
- [NVD] · [CVE record]
- EPSS
- 2.36% · Oct 25, 2026
A flaw was found in the Tuple Space Search (TSS) algorithm in Open vSwitch 2.x through 2.17.2 and 3.0.0. This issue allows remote attackers to cause a denial of service via crafted packet data that requires excessive evaluation time within the packet classification algorithm for the MegaFlow cache (Tuple Space Explosion (TSE) attack). openvswitch: DoS via crafted packet The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | openvswitch | bookworm | Not reported | vulnerable |
| Debian | openvswitch | bookworm | Not reported | vulnerable |
| Debian | openvswitch | 12 | 3.1.0-2 | vulnerable |
| Debian | openvswitch | 12 | 3.1.0-2+deb12u1 | vulnerable |
| Debian | openvswitch | 12 | 3.1.2-1 | vulnerable |
| Debian | openvswitch | 12 | 3.1.2-2 | vulnerable |
| Debian | openvswitch | 12 | 3.1.2-3 | vulnerable |
| Debian | openvswitch | 12 | 3.1.2-4 | vulnerable |
| Debian | openvswitch | 12 | 3.2.0-1 | vulnerable |
| Debian | openvswitch | 12 | 3.2.0-2 | vulnerable |
| Debian | openvswitch | 12 | 3.2.2~git20231029-1 | vulnerable |
| Debian | openvswitch | 12 | 3.2.2~git20231029-2 | vulnerable |
| Debian | openvswitch | 12 | 3.3.0-1 | vulnerable |
| Debian | openvswitch | 12 | 3.3.0-2 | vulnerable |
| Debian | openvswitch | 12 | 3.3.0-3 | vulnerable |
| Debian | openvswitch | 12 | 3.3.0-4 | vulnerable |
| Debian | openvswitch | 12 | 3.3.0-5 | vulnerable |
| Debian | openvswitch | 12 | 3.3.0~git20240118.e802fe7-1 | vulnerable |
| Debian | openvswitch | 12 | 3.3.0~git20240118.e802fe7-2 | vulnerable |
| Debian | openvswitch | 12 | 3.3.0~git20240118.e802fe7-3 | vulnerable |
| Debian | openvswitch | 12 | 3.3.1-1 | vulnerable |
| Debian | openvswitch | 12 | 3.4.0-1 | vulnerable |
| Debian | openvswitch | 12 | 3.5.0-1 | vulnerable |
| Debian | openvswitch | 12 | 3.5.0~git20241129.2af7cef-1 | vulnerable |
| Debian | openvswitch | 12 | 3.5.0~git20241129.2af7cef-2 | vulnerable |
| Debian | openvswitch | 12 | 3.6.0-1 | vulnerable |
| Debian | openvswitch | 12 | 3.6.0-2 | vulnerable |
| Debian | openvswitch | 12 | 3.6.0-3 | vulnerable |
| Debian | openvswitch | 12 | 3.6.0-5 | vulnerable |
| Debian | openvswitch | 12 | 3.6.0-6 | vulnerable |
| Debian | openvswitch | 12 | 3.6.0-7 | vulnerable |
| Debian | openvswitch | 12 | 3.7.0-1 | vulnerable |
| Debian | openvswitch | 12 | 3.7.0~git20260211.8c6ebf8-1~1.gbp9127d1 | vulnerable |
| Debian | openvswitch | 12 | 3.7.0~git20260211.8c6ebf8-1~1.gbp9127d2 | vulnerable |
| Debian | openvswitch | 12 | 3.7.0~git20260211.8c6ebf8-1~1.gbp9127d3 | vulnerable |
| Debian | openvswitch | 12 | 3.7.1-1 | vulnerable |
| Debian | openvswitch | 12 | 3.7.1-2 | vulnerable |
| Debian | openvswitch | 12 | 3.7.1-3 | vulnerable |
| Debian | openvswitch | 12 | 4.0.0-1 | vulnerable |
| Debian | openvswitch | 12 | 4.0.0-2 | vulnerable |
| Debian | openvswitch | 13 | 3.5.0-1 | vulnerable |
| Debian | openvswitch | 13 | 3.6.0-1 | vulnerable |
| Debian | openvswitch | 13 | 3.6.0-2 | vulnerable |
| Debian | openvswitch | 13 | 3.6.0-3 | vulnerable |
| Debian | openvswitch | 13 | 3.6.0-5 | vulnerable |
| Debian | openvswitch | 13 | 3.6.0-6 | vulnerable |
| Debian | openvswitch | 13 | 3.6.0-7 | vulnerable |
| Debian | openvswitch | 13 | 3.7.0-1 | vulnerable |
| Debian | openvswitch | 13 | 3.7.0~git20260211.8c6ebf8-1~1.gbp9127d1 | vulnerable |
| Debian | openvswitch | 13 | 3.7.0~git20260211.8c6ebf8-1~1.gbp9127d2 | vulnerable |
| Debian | openvswitch | 13 | 3.7.0~git20260211.8c6ebf8-1~1.gbp9127d3 | vulnerable |
| Debian | openvswitch | 13 | 3.7.1-1 | vulnerable |
| Debian | openvswitch | 13 | 3.7.1-2 | vulnerable |
| Debian | openvswitch | 13 | 3.7.1-3 | vulnerable |
| Debian | openvswitch | 13 | 4.0.0-1 | vulnerable |
| Debian | openvswitch | 13 | 4.0.0-2 | vulnerable |
| Debian | openvswitch | 14 | 3.5.0-1 | vulnerable |
| Debian | openvswitch | 14 | 3.6.0-1 | vulnerable |
| Debian | openvswitch | 14 | 3.6.0-2 | vulnerable |
| Debian | openvswitch | 14 | 3.6.0-3 | vulnerable |
| Debian | openvswitch | 14 | 3.6.0-5 | vulnerable |
| Debian | openvswitch | 14 | 3.6.0-6 | vulnerable |
| Debian | openvswitch | 14 | 3.6.0-7 | vulnerable |
| Debian | openvswitch | 14 | 3.7.0-1 | vulnerable |
| Debian | openvswitch | 14 | 3.7.0~git20260211.8c6ebf8-1~1.gbp9127d1 | vulnerable |
| Debian | openvswitch | 14 | 3.7.0~git20260211.8c6ebf8-1~1.gbp9127d2 | vulnerable |
| Debian | openvswitch | 14 | 3.7.0~git20260211.8c6ebf8-1~1.gbp9127d3 | vulnerable |
| Debian | openvswitch | 14 | 3.7.1-1 | vulnerable |
| Debian | openvswitch | 14 | 3.7.1-2 | vulnerable |
| Debian | openvswitch | 14 | 3.7.1-3 | vulnerable |
| Debian | openvswitch | 14 | 4.0.0-1 | vulnerable |
| Debian | openvswitch | 14 | 4.0.0-2 | vulnerable |
Fixed-version evidence
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [openvswitch-common]Affected
Source package: [openvswitch]
Details (4)
3.1.0-2+deb12u1· amd64 · bookwormAffected
dsa · openvswitch · debian · bookworm; dsa · openvswitch · debian · 12
3.1.0-2+deb12u1· arm64 · bookwormAffected
dsa · openvswitch · debian · bookworm; dsa · openvswitch · debian · 12
3.1.0-2+deb12u1· amd64 · bookworm-securityAffected
dsa · openvswitch · debian · bookworm; dsa · openvswitch · debian · 12
3.1.0-2+deb12u1· arm64 · bookworm-securityAffected
dsa · openvswitch · debian · bookworm; dsa · openvswitch · debian · 12
- [openvswitch-doc]Affected
Source package: [openvswitch]
Details (4)
3.1.0-2+deb12u1· all · bookwormAffected
dsa · openvswitch · debian · bookworm; dsa · openvswitch · debian · 12
3.1.0-2+deb12u1· all · bookwormAffected
dsa · openvswitch · debian · bookworm; dsa · openvswitch · debian · 12
3.1.0-2+deb12u1· all · bookworm-securityAffected
dsa · openvswitch · debian · bookworm; dsa · openvswitch · debian · 12
3.1.0-2+deb12u1· all · bookworm-securityAffected
dsa · openvswitch · debian · bookworm; dsa · openvswitch · debian · 12
- [openvswitch-ipsec]Affected
Source package: [openvswitch]
Details (4)
3.1.0-2+deb12u1· amd64 · bookwormAffected
dsa · openvswitch · debian · bookworm; dsa · openvswitch · debian · 12
3.1.0-2+deb12u1· arm64 · bookwormAffected
dsa · openvswitch · debian · bookworm; dsa · openvswitch · debian · 12
3.1.0-2+deb12u1· amd64 · bookworm-securityAffected
dsa · openvswitch · debian · bookworm; dsa · openvswitch · debian · 12
3.1.0-2+deb12u1· arm64 · bookworm-securityAffected
dsa · openvswitch · debian · bookworm; dsa · openvswitch · debian · 12
- [openvswitch-pki]Affected
Source package: [openvswitch]
Details (4)
3.1.0-2+deb12u1· all · bookwormAffected
dsa · openvswitch · debian · bookworm; dsa · openvswitch · debian · 12
3.1.0-2+deb12u1· all · bookwormAffected
dsa · openvswitch · debian · bookworm; dsa · openvswitch · debian · 12
3.1.0-2+deb12u1· all · bookworm-securityAffected
dsa · openvswitch · debian · bookworm; dsa · openvswitch · debian · 12
3.1.0-2+deb12u1· all · bookworm-securityAffected
dsa · openvswitch · debian · bookworm; dsa · openvswitch · debian · 12
- [openvswitch-source]Affected
Source package: [openvswitch]
Details (4)
3.1.0-2+deb12u1· all · bookwormAffected
dsa · openvswitch · debian · bookworm; dsa · openvswitch · debian · 12
3.1.0-2+deb12u1· all · bookwormAffected
dsa · openvswitch · debian · bookworm; dsa · openvswitch · debian · 12
3.1.0-2+deb12u1· all · bookworm-securityAffected
dsa · openvswitch · debian · bookworm; dsa · openvswitch · debian · 12
3.1.0-2+deb12u1· all · bookworm-securityAffected
dsa · openvswitch · debian · bookworm; dsa · openvswitch · debian · 12
- [openvswitch-switch]Affected
Source package: [openvswitch]
Details (4)
3.1.0-2+deb12u1· amd64 · bookwormAffected
dsa · openvswitch · debian · bookworm; dsa · openvswitch · debian · 12
3.1.0-2+deb12u1· arm64 · bookwormAffected
dsa · openvswitch · debian · bookworm; dsa · openvswitch · debian · 12
3.1.0-2+deb12u1· amd64 · bookworm-securityAffected
dsa · openvswitch · debian · bookworm; dsa · openvswitch · debian · 12
3.1.0-2+deb12u1· arm64 · bookworm-securityAffected
dsa · openvswitch · debian · bookworm; dsa · openvswitch · debian · 12
- [openvswitch-switch-dpdk]Affected
Source package: [openvswitch]
Details (4)
3.1.0-2+deb12u1· amd64 · bookwormAffected
dsa · openvswitch · debian · bookworm; dsa · openvswitch · debian · 12
3.1.0-2+deb12u1· arm64 · bookwormAffected
dsa · openvswitch · debian · bookworm; dsa · openvswitch · debian · 12
3.1.0-2+deb12u1· amd64 · bookworm-securityAffected
dsa · openvswitch · debian · bookworm; dsa · openvswitch · debian · 12
3.1.0-2+deb12u1· arm64 · bookworm-securityAffected
dsa · openvswitch · debian · bookworm; dsa · openvswitch · debian · 12
- [openvswitch-test]Affected
Source package: [openvswitch]
Details (4)
3.1.0-2+deb12u1· all · bookwormAffected
dsa · openvswitch · debian · bookworm; dsa · openvswitch · debian · 12
3.1.0-2+deb12u1· all · bookwormAffected
dsa · openvswitch · debian · bookworm; dsa · openvswitch · debian · 12
3.1.0-2+deb12u1· all · bookworm-securityAffected
dsa · openvswitch · debian · bookworm; dsa · openvswitch · debian · 12
3.1.0-2+deb12u1· all · bookworm-securityAffected
dsa · openvswitch · debian · bookworm; dsa · openvswitch · debian · 12
- [openvswitch-testcontroller]Affected
Source package: [openvswitch]
Details (4)
3.1.0-2+deb12u1· amd64 · bookwormAffected
dsa · openvswitch · debian · bookworm; dsa · openvswitch · debian · 12
3.1.0-2+deb12u1· arm64 · bookwormAffected
dsa · openvswitch · debian · bookworm; dsa · openvswitch · debian · 12
3.1.0-2+deb12u1· amd64 · bookworm-securityAffected
dsa · openvswitch · debian · bookworm; dsa · openvswitch · debian · 12
3.1.0-2+deb12u1· arm64 · bookworm-securityAffected
dsa · openvswitch · debian · bookworm; dsa · openvswitch · debian · 12
- [openvswitch-vtep]Affected
Source package: [openvswitch]
Details (4)
3.1.0-2+deb12u1· amd64 · bookwormAffected
dsa · openvswitch · debian · bookworm; dsa · openvswitch · debian · 12
3.1.0-2+deb12u1· arm64 · bookwormAffected
dsa · openvswitch · debian · bookworm; dsa · openvswitch · debian · 12
3.1.0-2+deb12u1· amd64 · bookworm-securityAffected
dsa · openvswitch · debian · bookworm; dsa · openvswitch · debian · 12
3.1.0-2+deb12u1· arm64 · bookworm-securityAffected
dsa · openvswitch · debian · bookworm; dsa · openvswitch · debian · 12
- [python3-openvswitch]Affected
Source package: [openvswitch]
Details (4)
3.1.0-2+deb12u1· amd64 · bookwormAffected
dsa · openvswitch · debian · bookworm; dsa · openvswitch · debian · 12
3.1.0-2+deb12u1· arm64 · bookwormAffected
dsa · openvswitch · debian · bookworm; dsa · openvswitch · debian · 12
3.1.0-2+deb12u1· amd64 · bookworm-securityAffected
dsa · openvswitch · debian · bookworm; dsa · openvswitch · debian · 12
3.1.0-2+deb12u1· arm64 · bookworm-securityAffected
dsa · openvswitch · debian · bookworm; dsa · openvswitch · debian · 12
[Debian 13 (Trixie)]
- [openvswitch-common]Affected
Source package: [openvswitch]
Details (2)
3.5.0-1+b1· amd64 · trixieAffected
dsa · openvswitch · debian · 13
3.5.0-1+b1· arm64 · trixieAffected
dsa · openvswitch · debian · 13
- [openvswitch-doc]Affected
Source package: [openvswitch]
Details (2)
3.5.0-1· all · trixieAffected
dsa · openvswitch · debian · 13
3.5.0-1· all · trixieAffected
dsa · openvswitch · debian · 13
- [openvswitch-ipsec]Affected
Source package: [openvswitch]
Details (2)
3.5.0-1+b1· amd64 · trixieAffected
dsa · openvswitch · debian · 13
3.5.0-1+b1· arm64 · trixieAffected
dsa · openvswitch · debian · 13
- [openvswitch-pki]Affected
Source package: [openvswitch]
Details (2)
3.5.0-1· all · trixieAffected
dsa · openvswitch · debian · 13
3.5.0-1· all · trixieAffected
dsa · openvswitch · debian · 13
- [openvswitch-source]Affected
Source package: [openvswitch]
Details (2)
3.5.0-1· all · trixieAffected
dsa · openvswitch · debian · 13
3.5.0-1· all · trixieAffected
dsa · openvswitch · debian · 13
- [openvswitch-switch]Affected
Source package: [openvswitch]
Details (2)
3.5.0-1+b1· amd64 · trixieAffected
dsa · openvswitch · debian · 13
3.5.0-1+b1· arm64 · trixieAffected
dsa · openvswitch · debian · 13
- [openvswitch-switch-dpdk]Affected
Source package: [openvswitch]
Details (2)
3.5.0-1+b1· amd64 · trixieAffected
dsa · openvswitch · debian · 13
3.5.0-1+b1· arm64 · trixieAffected
dsa · openvswitch · debian · 13
- [openvswitch-test]Affected
Source package: [openvswitch]
Details (2)
3.5.0-1· all · trixieAffected
dsa · openvswitch · debian · 13
3.5.0-1· all · trixieAffected
dsa · openvswitch · debian · 13
- [openvswitch-testcontroller]Affected
Source package: [openvswitch]
Details (2)
3.5.0-1+b1· amd64 · trixieAffected
dsa · openvswitch · debian · 13
3.5.0-1+b1· arm64 · trixieAffected
dsa · openvswitch · debian · 13
Observed:
References
- [https://osv.dev/vulnerability/DEBIAN-CVE-2019-25076]
- [https://security-tracker.debian.org/tracker/CVE-2019-25076]
- [https://security.access.redhat.com/data/csaf/v2/vex/2019/cve-2019-25076.json]
[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX]