==========================================================================
Ubuntu Security Notice USN-7637-1
July 14, 2025

jpeg-xl vulnerabilities
==========================================================================

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

- Ubuntu 24.04 LTS

Summary:

Several security issues were fixed in libjxl.

Software Description:
- jpeg-xl: Reference codec implementation for JPEG XL compressed raster image format

Details:

It was discovered that libjxl did not perform proper bounds checking
when parsing Exif tags. An attacker could possibly use this issue to
cause libjxl to crash, resulting in a denial of service. (CVE-2023-0645)

It was discovered that libjxl did not perform proper bounds checking 
when decoding patches. An attacker could possibly use this issue to
cause libjxl to enter an infinite loop, resulting in a denial of 
service. (CVE-2023-35790)

It was discovered that libjxl did not perform proper bounds checking
when performing JPEG recompression. An attacker could possibly use this
issue to cause libjxl to crash, resulting in a denial of service, or
possibly execute arbitrary code. (CVE-2024-11403)

It was discovered that libjxl incorrectly handled parsing certain image
files. An attacker could possibly use this issue to cause libjxl to 
consume excessive amounts of memory, resulting in a denial of service.
(CVE-2024-11498)

Update instructions:

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

Ubuntu 24.04 LTS
  libjpegxl-java                  0.7.0-10.2ubuntu6.1
  libjxl-tools                    0.7.0-10.2ubuntu6.1
  libjxl0.7                       0.7.0-10.2ubuntu6.1

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

References:
  https://ubuntu.com/security/notices/USN-7637-1
  CVE-2023-0645, CVE-2023-35790, CVE-2024-11403, CVE-2024-11498

Package Information:
  https://launchpad.net/ubuntu/+source/jpeg-xl/0.7.0-10.2ubuntu6.1