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USN-5021-2: curl vulnerability

20 January 2022

curl could be made to expose sensitive information if it received a specially crafted input.

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Releases

Packages

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

Details

USN-5021-1 fixed vulnerabilities in curl. This update provides
the corresponding updates for Ubuntu 16.04 ESM.

Original advisory details:

Harry Sintonen and Tomas Hoger discovered that curl incorrectly handled
TELNET connections when the -t option was used on the command line.
Uninitialized data possibly containing sensitive information could be sent
to the remote server, contrary to expectations. (CVE-2021-22898,
CVE-2021-22925)

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 16.04

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

Related notices

  • USN-5021-1: curl, libcurl4-doc, libcurl4-openssl-dev, libcurl3-nss, libcurl4-gnutls-dev, libcurl4-nss-dev, libcurl4, libcurl3-gnutls