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CVE-2024-28182

Public on 2024-04-04
Modified on 2024-04-06
Description

nghttp2 is an implementation of the Hypertext Transfer Protocol version 2 in C. The nghttp2 library prior to version 1.61.0 keeps reading the unbounded number of HTTP/2 CONTINUATION frames even after a stream is reset to keep HPACK context in sync. This causes excessive CPU usage to decode HPACK stream. nghttp2 v1.61.0 mitigates this vulnerability by limiting the number of CONTINUATION frames it accepts per stream. There is no workaround for this vulnerability.

Severity
Important
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CVSS v3 Base Score
7.5
See breakdown
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Affected Packages

Platform Package Release Date Advisory
Amazon Linux 1 nghttp2 2024-05-09 17:43 ALAS-2024-1935
Amazon Linux 2 - Core nghttp2 2024-04-24 22:15 ALAS2-2024-2523
Amazon Linux 2023 nghttp2 2024-04-25 16:39 ALAS2023-2024-592
Amazon Linux 2023 nodejs 2024-04-25 16:39 ALAS2023-2024-593
Amazon Linux 2023 nodejs20 2024-04-25 16:39 ALAS2023-2024-594

CVSS Scores

Score Type Score Vector
Amazon Linux CVSSv3 7.5 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD CVSSv3 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L