=========================================================================
Ubuntu Security Notice USN-7617-1
July 03, 2025

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

- Ubuntu 25.04
- Ubuntu 24.10
- Ubuntu 24.04 LTS
- Ubuntu 22.04 LTS

Summary:

libtpms could be made to crash if it received specially crafted
input.

Software Description:
- libtpms: TPM emulation library

Details:

It was discovered that libtpms did not properly manage memory
when performing crafted cryptographic operations. An attacker could
possibly use this issue to cause a denial of service.

Update instructions:

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

Ubuntu 25.04
  libtpms0                        0.9.3-0ubuntu4.25.04.1

Ubuntu 24.10
  libtpms0                        0.9.3-0ubuntu4.24.10.1

Ubuntu 24.04 LTS
  libtpms0                        0.9.3-0ubuntu4.24.04.1

Ubuntu 22.04 LTS
  libtpms0                        0.9.3-0ubuntu1.22.04.2

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

References:
  https://ubuntu.com/security/notices/USN-7617-1
  CVE-2025-49133

Package Information:
  https://launchpad.net/ubuntu/+source/libtpms/0.9.3-0ubuntu4.25.04.1
  https://launchpad.net/ubuntu/+source/libtpms/0.9.3-0ubuntu4.24.10.1
  https://launchpad.net/ubuntu/+source/libtpms/0.9.3-0ubuntu4.24.04.1
  https://launchpad.net/ubuntu/+source/libtpms/0.9.3-0ubuntu1.22.04.2