1. Ubuntu Security Notices
  2. USN-6718-2

USN-6718-2: curl vulnerability

Publication date

27 March 2024

Overview

curl could be made to denial of service.

Releases

Packages

  • curl - HTTP, HTTPS, and FTP client and client libraries

Details

USN-6718-1 fixed a vulnerability in curl. This update provides
the corresponding update for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS.

Original advisory details:

It was discovered that curl incorrectly handled memory when limiting the
amount of headers when HTTP/2 server push is allowed. A remote attacker
could possibly use this issue to cause curl to consume resources, leading
to a denial of service. (CVE-2024-2398)

USN-6718-1 fixed a vulnerability in curl. This update provides
the corresponding update for Ubuntu 16.04 LTS and Ubuntu 18.04 LTS.

Original advisory details:

It was discovered that curl incorrectly handled memory when limiting the
amount of headers when HTTP/2 server push is allowed. A remote attacker
could possibly use this issue to cause curl to consume resources, leading
to a denial of service. (CVE-2024-2398)

Update instructions

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

Learn more about how to get the fixes.

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

Ubuntu Release Package Version
18.04 bionic curl –  7.58.0-2ubuntu3.24+esm4  
libcurl3-gnutls –  7.58.0-2ubuntu3.24+esm4  
libcurl3-nss –  7.58.0-2ubuntu3.24+esm4  
libcurl4 –  7.58.0-2ubuntu3.24+esm4  
16.04 xenial curl –  7.47.0-1ubuntu2.19+esm12  
libcurl3 –  7.47.0-1ubuntu2.19+esm12  
libcurl3-gnutls –  7.47.0-1ubuntu2.19+esm12  
libcurl3-nss –  7.47.0-1ubuntu2.19+esm12  

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References

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