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USN-6718-3: curl vulnerabilities

29 April 2024

Several security issues were fixed in curl.

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Releases

Packages

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

Details

USN-6718-1 fixed vulnerabilities in curl. This update provides the
corresponding updates for Ubuntu 24.04 LTS.

Original advisory details:

Dan Fandrich discovered that curl would incorrectly use the default set of
protocols when a parameter option disabled all protocols without adding
any, contrary to expectations. This issue only affected Ubuntu 23.10.
(CVE-2024-2004)

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)

Reduce your security exposure

Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.

Learn more about Ubuntu Pro

Update instructions

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

Ubuntu 24.04

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

Related notices

  • USN-6718-1: libcurl4-doc, libcurl3-gnutls, libcurl4-openssl-dev, libcurl3-nss, libcurl4-gnutls-dev, curl, libcurl4-nss-dev, libcurl4
  • USN-6718-2: libcurl4-doc, libcurl3-gnutls, libcurl4-openssl-dev, libcurl3, libcurl3-nss, libcurl4-gnutls-dev, curl, libcurl4-nss-dev, libcurl4