==========================================================================
Ubuntu Security Notice USN-7012-1
September 16, 2024

curl vulnerability
==========================================================================

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

- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS

Summary:

curl could incorrectly check bad certificates when OCSP stapling is in use.

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

Details:

Hiroki Kurosawa discovered that curl incorrectly handled certain OCSP
responses. This could result in bad certificates not being checked
properly, contrary to expectations.

Update instructions:

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

Ubuntu 24.04 LTS
  curl                            8.5.0-2ubuntu10.4
  libcurl3t64-gnutls              8.5.0-2ubuntu10.4
  libcurl4t64                     8.5.0-2ubuntu10.4

Ubuntu 22.04 LTS
  curl                            7.81.0-1ubuntu1.18
  libcurl3-gnutls                 7.81.0-1ubuntu1.18
  libcurl3-nss                    7.81.0-1ubuntu1.18
  libcurl4                        7.81.0-1ubuntu1.18

Ubuntu 20.04 LTS
  curl                            7.68.0-1ubuntu2.24
  libcurl3-gnutls                 7.68.0-1ubuntu2.24
  libcurl3-nss                    7.68.0-1ubuntu2.24
  libcurl4                        7.68.0-1ubuntu2.24

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

References:
  https://ubuntu.com/security/notices/USN-7012-1
  CVE-2024-8096

Package Information:
  https://launchpad.net/ubuntu/+source/curl/8.5.0-2ubuntu10.4
  https://launchpad.net/ubuntu/+source/curl/7.81.0-1ubuntu1.18
  https://launchpad.net/ubuntu/+source/curl/7.68.0-1ubuntu2.24

Attachment: OpenPGP_signature.asc
Description: OpenPGP digital signature



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