Bug 2477914 (CVE-2026-45736) - CVE-2026-45736 ws: ws: Uninitialized memory disclosure via `websocket.close()` with `TypedArray`
Summary: CVE-2026-45736 ws: ws: Uninitialized memory disclosure via `websocket.close()...
Keywords:
Status: NEW
Alias: CVE-2026-45736
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
high
high
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2490629 2490631 2490632 2490634 2490635 2490636 2490637 2490638 2490639 2490640 2490641 2490643 2490644 2490645 2490648 2490649 2490650 2490651 2490652 2490654 2490655 2490630 2490633 2490642 2490646 2490647
Blocks:
TreeView+ depends on / blocked
 
Reported: 2026-05-15 16:01 UTC by OSIDB Bzimport
Modified: 2026-06-19 20:38 UTC (History)
138 users (show)

Fixed In Version:
Clone Of:
Environment:
Last Closed:
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Description OSIDB Bzimport 2026-05-15 16:01:18 UTC 
ws is an open source WebSocket client and server for Node.js. Prior to 8.20.1, the websocket.close() implementation is vulnerable to uninitialized memory disclosure when a TypedArray is passed as the reason argument. This vulnerability is fixed in 8.20.1.
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