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CVE-2024-28182

Publication date 4 April 2024

Last updated 24 July 2024

Ubuntu priority

Medium

Why this priority?

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.

Status

Package Ubuntu Release Status
nghttp2 24.04 LTS noble
Fixed 1.59.0-1ubuntu0.1
23.10 mantic
Fixed 1.55.1-1ubuntu0.2
22.04 LTS jammy
Fixed 1.43.0-1ubuntu0.2
20.04 LTS focal
Fixed 1.40.0-1ubuntu0.3
18.04 LTS bionic
16.04 LTS xenial

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Patch details

For informational purposes only. We recommend not to cherry-pick updates. How can I get the fixes?

Package Patch details
nghttp2

References

Related Ubuntu Security Notices (USN)

Other references