==========================================================================
Ubuntu Security Notice USN-6847-1
June 25, 2024

libheif vulnerabilities
==========================================================================

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

- Ubuntu 23.10
- Ubuntu 22.04 LTS
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS

Summary:

libheif could be made to crash if it opened a specially crafted
file.

Software Description:
- libheif: ISO/IEC 23008-12:2017 HEIF file format decoder - development file

Details:

It was discovered that libheif incorrectly handled certain image data.
An attacker could possibly use this issue to crash the program, resulting
in a denial of service. This issue only affected Ubuntu 18.04 LTS.
(CVE-2019-11471)

Reza Mirzazade Farkhani discovered that libheif incorrectly handled
certain image data. An attacker could possibly use this issue to crash the
program, resulting in a denial of service. This issue only affected Ubuntu
20.04 LTS. (CVE-2020-23109)

Eugene Lim discovered that libheif incorrectly handled certain image data.
An attacker could possibly use this issue to crash the program, resulting
in a denial of service. This issue only affected Ubuntu 18.04 LTS, Ubuntu
20.04 LTS and Ubuntu 22.04 LTS. (CVE-2023-0996)

Min Jang discovered that libheif incorrectly handled certain image data.
An attacker could possibly use this issue to crash the program, resulting
in a denial of service. This issue only affected Ubuntu 20.04 LTS and
Ubuntu 22.04 LTS. (CVE-2023-29659)

Yuchuan Meng discovered that libheif incorrectly handled certain image data.
An attacker could possibly use this issue to crash the program, resulting
in a denial of service. This issue only affected Ubuntu 23.10.
(CVE-2023-49460, CVE-2023-49462, CVE-2023-49463, CVE-2023-49464)

Update instructions:

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

Ubuntu 23.10
   heif-gdk-pixbuf                 1.16.2-2ubuntu1.1
   libheif-dev                     1.16.2-2ubuntu1.1
   libheif-plugin-libde265         1.16.2-2ubuntu1.1
   libheif1                        1.16.2-2ubuntu1.1

Ubuntu 22.04 LTS
   heif-gdk-pixbuf                 1.12.0-2ubuntu0.1~esm1
                                   Available with Ubuntu Pro
   libheif-dev                     1.12.0-2ubuntu0.1~esm1
                                   Available with Ubuntu Pro
   libheif1                        1.12.0-2ubuntu0.1~esm1
                                   Available with Ubuntu Pro

Ubuntu 20.04 LTS
   heif-gdk-pixbuf                 1.6.1-1ubuntu0.1~esm1
                                   Available with Ubuntu Pro
   libheif-dev                     1.6.1-1ubuntu0.1~esm1
                                   Available with Ubuntu Pro
   libheif1                        1.6.1-1ubuntu0.1~esm1
                                   Available with Ubuntu Pro

Ubuntu 18.04 LTS
   libheif-dev                     1.1.0-2ubuntu0.1~esm1
                                   Available with Ubuntu Pro
   libheif1                        1.1.0-2ubuntu0.1~esm1
                                   Available with Ubuntu Pro

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

References:
   https://ubuntu.com/security/notices/USN-6847-1
   CVE-2019-11471, CVE-2020-23109, CVE-2023-0996, CVE-2023-29659,
   CVE-2023-49460, CVE-2023-49462, CVE-2023-49463, CVE-2023-49464

Package Information:
   https://launchpad.net/ubuntu/+source/libheif/1.16.2-2ubuntu1.1