A hivex security update has been released for Ubuntu Linux 18.04 LTS, 20.04 LTS, 21.04, and 21.10.

USN-5148-1: hivex vulnerability

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Ubuntu Security Notice USN-5148-1
November 16, 2021

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

- Ubuntu 21.10
- Ubuntu 21.04
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS

Summary:

hivex could be made to crash or leak information if it received specially
crafted input.

Software Description:
- hivex: utilities for reading and writing Windows Registry hives

Details:

It was discovered that hivex incorrectly handled certain input. An attacker
could use this vulnerability to cause a crash or obtain sensitive information.

Update instructions:

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

Ubuntu 21.10:
libhivex-bin 1.3.19-1ubuntu3.21.10.1
libhivex0 1.3.19-1ubuntu3.21.10.1

Ubuntu 21.04:
libhivex-bin 1.3.19-1ubuntu3.21.04.1
libhivex0 1.3.19-1ubuntu3.21.04.1

Ubuntu 20.04 LTS:
libhivex-bin 1.3.18-2ubuntu0.1
libhivex0 1.3.18-2ubuntu0.1

Ubuntu 18.04 LTS:
libhivex-bin 1.3.15-1ubuntu0.1
libhivex0 1.3.15-1ubuntu0.1

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

References:
  https://ubuntu.com/security/notices/USN-5148-1
CVE-2021-3504

Package Information:
  https://launchpad.net/ubuntu/+source/hivex/1.3.19-1ubuntu3.21.10.1
  https://launchpad.net/ubuntu/+source/hivex/1.3.19-1ubuntu3.21.04.1
  https://launchpad.net/ubuntu/+source/hivex/1.3.18-2ubuntu0.1
  https://launchpad.net/ubuntu/+source/hivex/1.3.15-1ubuntu0.1