CVE-2024-28182 Affecting nghttp2 package, versions <1.43.0-1ubuntu0.2


Severity

Recommended
medium

Based on Ubuntu security rating.

Threat Intelligence

EPSS
0.04% (16th percentile)

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  • Snyk IDSNYK-UBUNTU2204-NGHTTP2-6553932
  • published26 Apr 2024
  • disclosed4 Apr 2024

Introduced: 4 Apr 2024

CVE-2024-28182  (opens in a new tab)

How to fix?

Upgrade Ubuntu:22.04 nghttp2 to version 1.43.0-1ubuntu0.2 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream nghttp2 package and not the nghttp2 package as distributed by Ubuntu. See How to fix? for Ubuntu:22.04 relevant fixed versions and status.

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.

CVSS Scores

version 3.1