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CVE-2026-34956

🗓️ 05 May 2026 15:45:04Reported by redhatType 
cve
 cve🔗 web.nvd.nist.gov👁 11 Views

Open vSwitch DoS via malformed EPASV command in FTP stream with conntrack flow on userspace datapath.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
ATTACKERKB		CVE-2026-34956
5 May 202615:45
–attackerkb
CBLMariner		CVE-2026-34956 affecting package openvswitch for versions less than 3.3.0-3
5 Jun 202612:59
–cbl_mariner
Circl		CVE-2026-34956
31 Mar 202621:34
–circl
CNNVD		Open vSwitch 安全漏洞
5 May 202600:00
–cnnvd
Cvelist		CVE-2026-34956 Openvswitch: open vswitch: denial of service via malformed ftp epasv command
5 May 202615:45
–cvelist
Debian CVE		CVE-2026-34956
5 May 202615:45
–debiancve
EUVD		EUVD-2026-27345
5 May 202618:33
–euvd
Microsoft CVE		Openvswitch: open vswitch: denial of service via malformed ftp epasv command
15 May 202608:02
–mscve
NVD		CVE-2026-34956
5 May 202616:16
–nvd
OSV		DEBIAN-CVE-2026-34956
5 May 202616:16
–osv
Rows per page
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05 May 2026 19:31Current
5.8Medium risk
Vulners AI Score5.8
CVSS 3.15.9
EPSS0.0014
SSVC
CWE-120
open vswitchfile transferextended passive modeconntrack flowuserspace datapathdenial of service
11