CVEvulnerability
CVE-2026-5367
8.6 HIGH
Official page ↗
- Status
- Awaiting Analysis
- Published
- 2026-04-24
- Last modified
- 2026-10-26
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.6 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
- CVSS 3.1 (0b0ca135-0b70-47e7-9f44-1890c2a1c46c)
- 8.6 HIGH — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:N/A:N
- Weaknesses
- CWE-130
Description
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 disclosure of sensitive information stored in heap memory, which is then returned to the attacker's virtual machine port.
Related
Weakness · CWE (1)
- CWE-130 Improper Handling of Length Parameter Inconsistency weakness
References
- https://access.redhat.com/errata/RHSA-2026:11694 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:11695 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:11696 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:11698 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:11700 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:11701 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:11702 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:22110 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:22111 access.redhat.com
- https://access.redhat.com/security/cve/CVE-2026-5367 access.redhat.com
- https://bugzilla.redhat.com/show_bug.cgi?id=2455863 bugzilla.redhat.com
- http://www.openwall.com/lists/oss-security/2026/04/20/3 www.openwall.com
- http://www.openwall.com/lists/oss-security/2026/04/20/5 www.openwall.com
- https://access.redhat.com/errata/RHSA-2026:11694 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:11695 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:11696 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:11698 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:11700 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:11701 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:11702 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:22110 access.redhat.com
- https://access.redhat.com/errata/RHSA-2026:22111 access.redhat.com
- https://access.redhat.com/security/cve/CVE-2026-5367 access.redhat.com
- https://bugzilla.redhat.com/show_bug.cgi?id=2455863 bugzilla.redhat.com
- https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-5367.json security.access.redhat.com