116 matches found
ovn: OVN: Information disclosure via crafted DHCPv6 packets
A flaw was found in OVN Open Virtual Network. A remote attacker, by sending crafted DHCPv6 Dynamic Host Configuration Protocol for IPv6 SOLICIT packets with an inflated Client ID length, could cause the ovn-controller to read beyond the bounds of a packet. This out-of-bounds read can lead to the...
Important: Red Hat Security Advisory: ovn-2021 security update
An update for ovn-2021 is now available for Fast Datapath for Red Hat Enterprise Linux 8. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each...
ovn: OVN: Information disclosure via crafted DHCPv6 packets
A flaw was found in OVN Open Virtual Network. A remote attacker, by sending crafted DHCPv6 Dynamic Host Configuration Protocol for IPv6 SOLICIT packets with an inflated Client ID length, could cause the ovn-controller to read beyond the bounds of a packet. This out-of-bounds read can lead to the...
CVE-2026-5367
A flaw was found in OVN Open Virtual Network. A remote attacker, by sending crafted DHCPv6 Dynamic Host Configuration Protocol for IPv6 SOLICIT packets with an inflated Client ID length, could cause the ovn-controller to read beyond the bounds of a packet. This out-of-bounds read can lead to the...
EUVD-2026-25421
A flaw was found in OVN Open Virtual Network. A remote attacker, by sending crafted DHCPv6 Dynamic Host Configuration Protocol for IPv6 SOLICIT packets with an inflated Client ID length, could cause the ovn-controller to read beyond the bounds of a packet. This out-of-bounds read can lead to the...
CVE-2026-5367
CVE-2026-5367 : A flaw in OVN (Open Virtual Network) allows a remote attacker to trigger an out-of-bounds read in ovn-controller by sending crafted DHCPv6 SOLICIT packets with an inflated Client ID length. This can disclose sensitive heap memory to the attacker’s VM port. Connected sources consis...
CVE-2026-5367 Ovn: ovn: information disclosure via crafted dhcpv6 packets
A flaw was found in OVN Open Virtual Network. A remote attacker, by sending crafted DHCPv6 Dynamic Host Configuration Protocol for IPv6 SOLICIT packets with an inflated Client ID length, could cause the ovn-controller to read beyond the bounds of a packet. This out-of-bounds read can lead to the...
CVE-2026-5367
A flaw was found in OVN Open Virtual Network. A remote attacker, by sending crafted DHCPv6 Dynamic Host Configuration Protocol for IPv6 SOLICIT packets with an inflated Client ID length, could cause the ovn-controller to read beyond the bounds of a packet. This out-of-bounds read can lead to the...
CVE-2026-5367
A flaw was found in OVN Open Virtual Network. A remote attacker, by sending crafted DHCPv6 Dynamic Host Configuration Protocol for IPv6 SOLICIT packets with an inflated Client ID length, could cause the ovn-controller to read beyond the bounds of a packet. This out-of-bounds read can lead to the...
CVE-2026-5367
A flaw was found in OVN Open Virtual Network. A remote attacker, by sending crafted DHCPv6 Dynamic Host Configuration Protocol for IPv6 SOLICIT packets with an inflated Client ID length, could cause the ovn-controller to read beyond the bounds of a packet. This out-of-bounds read can lead to the...
OVN 安全漏洞
OVN is an open-source data center virtualization platform based on virtual network technology. OVN has a security vulnerability that stems from the client ID length expansion when processing specially crafted DHCPv6 SOLICIT packets. This vulnerability could allow remote attackers to perform...
PT-2026-33836
Name of the Vulnerable Software and Affected Versions OVN affected versions not specified Description A flaw in OVN Open Virtual Network allows a remote attacker to cause the ovn-controller to perform an out-of-bounds read by sending crafted DHCPv6 Dynamic Host Configuration Protocol for IPv6...
PT-2026-33835
Name of the Vulnerable Software and Affected Versions ovn-controller affected versions not specified Description A heap over-read occurs when generating ICMP Destination Unreachable or Packet Too Big responses. The handler copies a portion of the original packet into the ICMP error body using the...
CVE-2026-5367
A flaw was found in OVN Open Virtual Network. A remote attacker, by sending crafted DHCPv6 Dynamic Host Configuration Protocol for IPv6 SOLICIT packets with an inflated Client ID length, could cause the ovn-controller to read beyond the bounds of a packet. This out-of-bounds read can lead to the...
Astra Linux – Vulnerability in OVN
A flaw was discovered in the Open Virtual Network OVN. Specifically, specially crafted UDP packets may bypass egress access control lists ACLs in OVN installations that are configured with a logical switch equipped with DNS records. This occurs if the same switch has any egress ACLs configured...
SUSE-SU-2026:20061-1 Security update for openvswitch
This update for openvswitch fixes the following issues: Update OpenvSwitch to v3.1.7 and OVN to v23.03.3: Security issues fixed: - CVE-2023-3966: ovs: invalid memory access and potential denial of service via specially crafted Geneve packets bsc1219465. - CVE-2023-5366: ovs: OpenFlow rules may be...
SUSE CVE-2024-2182
A flaw was found in the Open Virtual Network OVN. In OVN clusters where BFD is used between hypervisors for high availability, an attacker can inject specially crafted BFD packets from inside unprivileged workloads, including virtual machines or containers, that can trigger a denial of service...
EUVD-2024-27144
Malicious code in bioql PyPI...