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CVE-2026-5367 Ovn: ovn: information disclosure via crafted dhcpv6 packets

🗓️ 24 Apr 2026 12:25:05Reported by redhatType 
vulnrichment
 vulnrichment🔗 github.com👁 7 Views

Remote attacker crafts DHCP Solicit with inflated Client ID, causing the Open Virtual Network controller to read out of bounds and leak heap memory.

Related
Affected
Refs
ReporterTitlePublishedViews
Family
attackerkb
ATTACKERKB		CVE-2026-5367
24 Apr 202612:25
–attackerkb
bdu_fstec
BDU FSTEC		The vulnerability of the Open vSwitch software-based multi-level switch lies in the possibility of an out-of-buffer operation in memory, which allows a hacker to cause a system failure.
28 Aug 202600:00
–bdu_fstec
circl
Circl		CVE-2026-5367
20 Apr 202616:28
–circl
cnnvd
CNNVD		OVN 安全漏洞
24 Apr 202600:00
–cnnvd
cve
CVE		CVE-2026-5367
24 Apr 202612:25
–cve
cvelist
Cvelist		CVE-2026-5367 Ovn: ovn: information disclosure via crafted dhcpv6 packets
24 Apr 202612:25
–cvelist
debiancve
Debian CVE		CVE-2026-5367
24 Apr 202612:25
–debiancve
euvd
EUVD		EUVD-2026-25421
24 Apr 202612:25
–euvd
nvd
NVD		CVE-2026-5367
24 Apr 202613:16
–nvd
opensuse
OPENSUSE Linux		libopenvswitch-3_7-0-3.7.1-34.1 on GA media (moderate)
8 Jun 202600:00
–opensuse
Rows per page
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    ],
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      }
    ],
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    ],
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    ],
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  },
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    "product": "Red Hat OpenShift Container Platform 4",
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    "defaultStatus": "unaffected"
  },
  {
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      "cpe:/a:redhat:openshift:4"
    ],
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4",
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  },
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    ],
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    "product": "Red Hat OpenShift Container Platform 4",
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    "collectionURL": "https://access.redhat.com/downloads/content/package-browser/",
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  },
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    ],
    "vendor": "Red Hat",
    "product": "Red Hat OpenShift Container Platform 4",
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  }
]

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25 Aug 2026 02:19Current
5.2Medium risk
Vulners AI Score5.2
CVSS 3.18.6
EPSS0.00868
SSVC
CWE-130
Dynamic Host ConfigurationOpen Virtual NetworkInformation Disclosure
7