CVE-2024-45403

CVE-2024-45403 · H2O assertion failure when HTTP/3 requests are cancelled

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h2o is an HTTP server with support for HTTP/1.x, HTTP/2 and HTTP/3. When h2o is configured as a reverse proxy and HTTP/3 requests are cancelled by the client, h2o might crash due to an assertion failure. The crash can be exploited by an attacker to mount a Denial-of-Service attack. By default, the h2o standalone server automatically restarts, minimizing the impact. However, HTTP requests that were served concurrently will still be disrupted. The vulnerability has been addressed in commit 1ed32b2. Users may disable the use of HTTP/3 to mitigate the issue.

CVSS 3.7 · Низкий · EPSS 0,7%

Опубликовано

2024-10-11T14:28:35.262Z

Обновлено

2024-10-11T14:40:53.132Z

Стек: system

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