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alpinelinuxAlpine Linux Development TeamALPINE:CVE-2024-27983
HistoryApr 09, 2024 - 1:15 a.m.

CVE-2024-27983

2024-04-0901:15:49
Alpine Linux Development Team
security.alpinelinux.org
18
node.js
http/2 server
attacker
unavailable
http/2 frames
continuation frame
race condition
memory
tcp connection

7.6 High

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

15.1%

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.