==========================================================================
Ubuntu Security Notice USN-7118-1
November 21, 2024

zbar vulnerabilities
==========================================================================

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

- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

Summary:

ZBar could expose sensitive data if it opened a specially crafted file

Software Description:
- zbar: QR code / bar code scanner and decoder (Perl bindings)

Details:

It was discovered that ZBar did not properly handle certain QR codes. If a
user or automated system using ZBar were tricked into opening a specially
crafted file, an attacker could possibly use this to obtain sensitive
information.  (CVE-2023-40889)

It was discovered that ZBar did not properly handle certain QR codes. If a
user or automated system using ZBar were tricked into opening a specially
crafted file, an attacker could possibly use this to obtain sensitive
information. This issue only affected Ubuntu 20.04 LTS, and Ubuntu 22.04
LTS. (CVE-2023-40890)

Update instructions:

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

Ubuntu 22.04 LTS
  libzbar0                        0.23.92-4ubuntu0.1~esm1
                                  Available with Ubuntu Pro

Ubuntu 20.04 LTS
  libzbar0                        0.23-1.3ubuntu0.1~esm1
                                  Available with Ubuntu Pro

Ubuntu 18.04 LTS
  libzbar0                        0.10+doc-10.1ubuntu0.1~esm1
                                  Available with Ubuntu Pro

Ubuntu 16.04 LTS
  libzbar0                        0.10+doc-10ubuntu1+esm1
                                  Available with Ubuntu Pro

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

References:
  https://ubuntu.com/security/notices/USN-7118-1
  CVE-2023-40889, CVE-2023-40890