VDB
RHSA-2026%3A27171
RHSA-2026%3A27171
PUBLISHED
CVSS 7.5 HIGH
A flaw was found in ws, an open source WebSocket client and server for Node.js. The `websocket.close()` implementation is vulnerable to uninitialized memory disclosure when a `TypedArray` is passed as the reason argument. This can lead to the disclosure of sensitive information from uninitialized memory.
Risk Scores
CVSS 3.1
7.5
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| Red Hat | dotnet9-0-main@aarch64 as a component of Red Hat Hardened Images | * |
| Red Hat | dotnet9-0-main@src as a component of Red Hat Hardened Images | * |
| Red Hat | dotnet9-0-main@x86_64 as a component of Red Hat Hardened Images | * |
Timeline
- Jun 19, 2026 CVE Published
- Jun 19, 2026 CVE Updated
- Jun 19, 2026 Distribution Patch
- Jun 19, 2026 Distribution Patch
- Jun 19, 2026 Security Advisory
- Jun 19, 2026 Security Advisory
References
- https://access.redhat.com/errata/RHSA-2026:27171 advisory
- https://images.redhat.com/ advisory
- https://access.redhat.com/security/cve/CVE-2026-45736 advisory
- https://access.redhat.com/security/updates/classification/ advisory
- https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_27171.json advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2477914 issue
- https://www.cve.org/CVERecord?id=CVE-2026-45736 advisory
- https://nvd.nist.gov/vuln/detail/CVE-2026-45736 advisory
- https://github.com/websockets/ws/commit/c0327ec15a54d701eb6ccefaa8bef328cfc03086 advisory
- https://github.com/websockets/ws/security/advisories/GHSA-58qx-3vcg-4xpx advisory