Ubuntu 23.10: 6505-2 Severe: libxml2 Memory Leak Vulnerability

ubuntu

November 22, 2023

nghttp2 could be made to consume resources if it received specially crafted network traffic.

Summary

nghttp2 could be made to consume resources if it received specially crafted

network traffic.

Software Description:

- nghttp2: HTTP/2 C Library and tools

Details:

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.

Topics Covered

security advisory denial of service critical Ubuntu resource consumption nghttp2

Update Instructions

The problem can be corrected by updating your system to the following
package versions:

Ubuntu 23.10:
   libnghttp2-14                   1.55.1-1ubuntu0.1
   nghttp2                         1.55.1-1ubuntu0.1
   nghttp2-client                  1.55.1-1ubuntu0.1
   nghttp2-proxy                   1.55.1-1ubuntu0.1
   nghttp2-server                  1.55.1-1ubuntu0.1

Ubuntu 23.04:
   libnghttp2-14                   1.52.0-1ubuntu0.1
   nghttp2                         1.52.0-1ubuntu0.1
   nghttp2-client                  1.52.0-1ubuntu0.1
   nghttp2-proxy                   1.52.0-1ubuntu0.1
   nghttp2-server                  1.52.0-1ubuntu0.1

Ubuntu 22.04 LTS:
   libnghttp2-14                   1.43.0-1ubuntu0.1
   nghttp2                         1.43.0-1ubuntu0.1
   nghttp2-client                  1.43.0-1ubuntu0.1
   nghttp2-proxy                   1.43.0-1ubuntu0.1
   nghttp2-server                  1.43.0-1ubuntu0.1

Ubuntu 20.04 LTS:
   libnghttp2-14                   1.40.0-1ubuntu0.2
   nghttp2                         1.40.0-1ubuntu0.2
   nghttp2-client                  1.40.0-1ubuntu0.2
   nghttp2-proxy                   1.40.0-1ubuntu0.2
   nghttp2-server                  1.40.0-1ubuntu0.2

In general, a standard system update will make all the necessary changes.