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Ubuntu Security Notice USN-5702-2
October 26, 2022

curl vulnerability
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 16.04 ESM
- Ubuntu 14.04 ESM

Summary:

curl could crash if it received a specially crafted POST
operations after PUT operations.

Software Description:
- curl: HTTP, HTTPS, and FTP client and client libraries

Details:

USN-5702-1 fixed a vulnerability in curl. This update provides
the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM.

Original advisory details:

 Robby Simpson discovered that curl incorrectly handled certain POST
 operations after PUT operations. This issue could cause applications using
 curl to send the wrong data, perform incorrect memory operations, or crash.
 (CVE-2022-32221)

Update instructions:

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

Ubuntu 16.04 ESM:
  curl                            7.47.0-1ubuntu2.19+esm6
  libcurl3                        7.47.0-1ubuntu2.19+esm6
  libcurl3-gnutls                 7.47.0-1ubuntu2.19+esm6
  libcurl3-nss                    7.47.0-1ubuntu2.19+esm6

Ubuntu 14.04 ESM:
  curl                            7.35.0-1ubuntu2.20+esm13
  libcurl3                        7.35.0-1ubuntu2.20+esm13
  libcurl3-gnutls                 7.35.0-1ubuntu2.20+esm13
  libcurl3-nss                    7.35.0-1ubuntu2.20+esm13

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

References:
  https://ubuntu.com/security/notices/USN-5702-2
  https://ubuntu.com/security/notices/USN-5702-1
  CVE-2022-32221