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Ubuntu 24.04 LTS USN-6754-2 Critical: Nghttp2 Denial Of Service

ubuntu
Calendar Grey May 7, 2024
Dist Ubuntu Esm H88
The Ubuntu Security Notice USN-6754-2 addresses vulnerabilities in nghttp2 across various versions, resolving risks of possible denial of service attacks.
Several security issues were fixed in nghttp2.

Summary

A security issue affects these releases of Ubuntu and its derivatives: - Ubuntu 24.04 LTS Summary: Several security issues were fixed in nghttp2. Software Description: - nghttp2: HTTP/2 C Library and tools Details: USN-6754-1 fixed vulnerabilities in nghttp2. This update provides the corresponding update for Ubuntu 24.04 LTS. Original advisory details:  It was discovered that nghttp2 incorrectly handled the HTTP/2  implementation. A remote attacker could possibly use this issue to cause  nghttp2 to consume resources, leading to a denial of service. This issue  only affected Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. (CVE-2019-9511,  CVE-2019-9513)  It was discovered that nghttp2 incorrectly handled request cancellation. A  remote attacker could possibly use this issue to cause nghttp2 to consume  resources, leading to a denial of service. This issue only affected Ubuntu  16.04 LTS and Ubuntu 18.04 LTS. (CVE-2023-44487)  It was...

Read the Full Advisory

Topics%20covered

Topics Covered

security advisory denial of service critical Ubuntu nghttp2

Update Instructions

The problem can be corrected by updating your system to the following package versions: Ubuntu 24.04 LTS   libnghttp2-14                   1.59.0-1ubuntu0.1   nghttp2                         1.59.0-1ubuntu0.1   nghttp2-client                  1.59.0-1ubuntu0.1   nghttp2-proxy                   1.59.0-1ubuntu0.1   nghttp2-server                  1.59.0-1ubuntu0.1 In general, a standard system update will make all the necessary changes.

References

  https://ubuntu.com/security/notices/USN-6754-2

  https://ubuntu.com/security/notices/USN-6754-1

  CVE-2024-28182

Severity
critical
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Ubuntu Security Notice USN-6754-2

Topics%20covered

Topics Covered

security advisory denial of service critical Ubuntu nghttp2

Package Information

  https://launchpad.net/ubuntu/+source/nghttp2/1.59.0-1ubuntu0.1

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