CVE-2024-27983

High

Description

An attacker can make the Node.js HTTP/2 server completely unavailable by sending a small amount of HTTP/2 frames packets with a few HTTP/2 frames inside. It is possible to leave some data in nghttp2 memory after reset when headers with HTTP/2 CONTINUATION frame are sent to the server and then a TCP connection is abruptly closed by the client triggering the Http2Session destructor while header frames are still being processed (and stored in memory) causing a race condition.

SeverityHigh
CVSS8.2
Exploit probability—
ProductNode
PublishedApr 9, 2024
First seenApr 9, 2024

How to fix

Update
  • NodeJS Node4.*, 5.*, 6.*, 7.*, 8.*, 9.*, 10.*, 11.*, 12.*, 13.*, 14.*, 15.*, 16.*, 17.*, 18.20.1, 19.*, 20.12.1, 21.7.2 or later

Affected products

ProductAffected versionsFixed in
NodeJS Node4.0 ≤ v < 4.*, 5.0 ≤ v < 5.*, 6.0 ≤ v < 6.*, 7.0 ≤ v < 7.*, 8.0 ≤ v < 8.*, 9.0 ≤ v < 9.*, 10.0 ≤ v < 10.*, 11.0 ≤ v < 11.*, 12.0 ≤ v < 12.*, 13.0 ≤ v < 13.*, 14.0 ≤ v < 14.*, 15.0 ≤ v < 15.*, 16.0 ≤ v < 16.*, 17.0 ≤ v < 17.*, 18.0 ≤ v < 18.20.1, 19.0 ≤ v < 19.*, 20.0 ≤ v < 20.12.1, 21.0 ≤ v < 21.7.24.*, 5.*, 6.*, 7.*, 8.*, 9.*, 10.*, 11.*, 12.*, 13.*, 14.*, 15.*, 16.*, 17.*, 18.20.1, 19.*, 20.12.1, 21.7.2

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