Where
-Infinity
0

Trending

Last week
Last month
Last year

Vendor Risk Score

See how open vswitch compares to other vendors in security performance

View Risk Score →

Open vSwitch Open vSwitchA missing upper-bound check in the udpif_set_threads() function of Open vSwitch v3.6.90 allows an at…

Risk 38
Severity
6.5
First published (updated )
CVE-2026-36499

Linux Linux kernelopenvswitch: cap upcall PID array size and pre-size vport replies

Risk 63
Severity
7
First published (updated )
CVE-2026-45840

Linux Linux kernelopenvswitch: validate MPLS set/set_masked payload length

Risk 52
Severity
7.1
First published (updated )
CVE-2026-31679

Linux Linux kernelopenvswitch: defer tunnel netdev_put to RCU release

Risk 69
Severity
7.8
First published (updated )
CVE-2026-31678

oss-sec[ADVISORY] CVE-2026-5367: Heap over-ad in OVN DHCPv6 Client ID processing

First published (updated )
https://seclists.org/oss-sec/2026/q2/185
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

oss-sec[ADVISORY] CVE-2026-5265: Heap Over-ad in ICMP Error sponse Generation

First published (updated )
https://seclists.org/oss-sec/2026/q2/184

oss-sec[ADVISORY] CVE-2026-5367: Heap over-ad in OVN DHCPv6 Client ID processing

First published (updated )
https://seclists.org/oss-sec/2026/q2/183

oss-sec[ADVISORY] CVE-2026-5265: Heap Over-ad in ICMP Error sponse Generation

First published (updated )
https://seclists.org/oss-sec/2026/q2/182

Open vSwitch OVNOvn: ovn: information disclosure via crafted dhcpv6 packets

Risk 36
Severity
8.6
EPSS
0.03%
First published (updated )
CVE-2026-5367

Open vSwitch ovn-controllerMultiple versions of OVN (Open Virtual Network) are vulnerable to crafted DHCPv6 packets that could …

Risk 33
Severity
7
First published (updated )
REDHAT-BUG-2455863
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

oss-sec[ADVISORY] CVE-2026-34956: Open vSwitch: Invalid memory access in conntrack FTP alg.

First published (updated )
https://seclists.org/oss-sec/2026/q1/430

Open vSwitch Open vSwitchOpenvswitch: open vswitch: denial of service via malformed ftp epasv command

Risk 38
Severity
5.9
First published (updated )
CVE-2026-34956

Open vSwitch Open vSwitchA flaw was found in Open vSwitch. When Open vSwitch is configured with a conntrack flow using FTP he…

Risk 19
Severity
4
First published (updated )
REDHAT-BUG-2453459

Open vSwitch ovn-controllerOvn: ovn: heap over-read in icmp error response generation

Risk 34
Severity
6.5
EPSS
0.04%
First published (updated )
CVE-2026-5265

Open vSwitch ovn-controllerWhen generating an ICMP Destination Unreachable or Packet Too Big response, the handler copies a por…

Risk 19
Severity
4
First published (updated )
REDHAT-BUG-2453458
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Linux Linux kernelopenvswitch: fix memory leak at failed datapath creation

Risk 32
Severity
5.5
First published (updated )
CVE-2022-49959

Linux Linux kernelopenvswitch: Fix unsafe attribute parsing in output_userspace()

Risk 69
Severity
7.8
First published (updated )
CVE-2025-37998

Linux Linux kernelnet: openvswitch: fix nested key length validation in the set() action

Risk 51
Severity
7.8
EPSS
0.02%
First published (updated )
CVE-2025-37789

Linux Linux kernelRevert "openvswitch: switch to per-action label counting in conntrack"

Risk 69
Severity
7.8
First published (updated )
CVE-2025-21958

Linux Linux kernelnet: openvswitch: fix flow memory leak in ovs_flow_cmd_new

Risk 24
Severity
5.5
EPSS
0.01%
First published (updated )
CVE-2023-52977
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Linux Linux kernelopenvswitch: use RCU protection in ovs_vport_cmd_fill_info()

Risk 69
Severity
7.8
First published (updated )
CVE-2025-21761

Linux Linux kernelnet: openvswitch: fix leak of nested actions

Risk 32
Severity
5.5
First published (updated )
CVE-2022-49086

Open Virtual Network egss access control list bypass.

First published (updated )
https://seclists.org/oss-sec/2025/q1/49

[ADVISORY] CVE-2023-5366: Open vSwitch: OpenFlow match on Neighbor Discovery Target may be ignored

First published (updated )
https://seclists.org/oss-sec/2024/q1/119

[ADVISORY] CVE-2023-3966: Open vSwitch: Invalid memory access in Geneve with HW offload.

First published (updated )
https://seclists.org/oss-sec/2024/q1/118
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Open vSwitch Open vSwitchAn issue was discovered in Open vSwitch (OvS) 2.7.x through 2.7.6. The decode_bundle function inside…

Risk 19
Severity
4
First published (updated )
REDHAT-BUG-1632528

Open vSwitch Open vSwitchAn issue was discovered in Open vSwitch (OvS) 2.7.x through 2.7.6, affecting ofproto_rule_insert__ i…

Risk 19
Severity
4
First published (updated )
REDHAT-BUG-1632525

Open vSwitch Open vSwitchAn issue was discovered in Open vSwitch (OvS) 2.7.x through 2.7.6, affecting parse_group_prop_ntr_se…

Risk 19
Severity
4
First published (updated )
REDHAT-BUG-1632522

Open vSwitch Open vSwitchIn Open vSwitch there is a buffer over-read while parsing the group mod OpenFlow message sent from t…

Risk 18
Severity
4
First published (updated )
REDHAT-BUG-1457335

Open vSwitch Open vSwitchIn lib/conntrack.c in the firewall implementation in Open vSwitch, there is a buffer over-read while…

Risk 18
Severity
4
First published (updated )
REDHAT-BUG-1457329
Free Weekly Intel

Don't miss critical vulnerabilities

Join thousands of security professionals who receive our weekly digest of trending CVEs, zero-days, and exploited vulnerabilities.

No spam. Unsubscribe anytime.

Company

Resources

Contact

SecAlerts Pty Ltd.
132 Wickham Terrace
Fortitude Valley,
QLD 4006, Australia
info@secalerts.co
By using SecAlerts services, you agree to our services end-user license agreement. This website is safeguarded by reCAPTCHA and governed by the Google Privacy Policy and Terms of Service. All names, logos, and brands of products are owned by their respective owners, and any usage of these names, logos, and brands for identification purposes only does not imply endorsement. If you possess any content that requires removal, please get in touch with us.
© 2026 SecAlerts Pty Ltd.
ABN: 70 645 966 203, ACN: 645 966 203