Red Hat Security Advisory: Red Hat Hardened Images RPMs Security Update

This advisory addresses CVE-2026-105326, a security vulnerability in the CUPS package included in Red Hat Hardened Images RPMs. The update provides new versions of multiple CUPS-related RPMs (version 2.4.19-4.3.hum1) for architectures including aarch64 and x86_64. The vulnerability is classified under CWE-88, which generally relates to argument injection or improper neutralization of special elements used in an OS command. The advisory does not provide detailed technical information or exploitation scenarios but confirms that updated packages are available to fix the issue.

The vulnerability is rated as low severity by Red Hat. No known exploits are reported in the wild. The impact is limited to the affected CUPS packages within Red Hat Hardened Images RPMs. Without further details, the exact impact on confidentiality, integrity, or availability cannot be precisely determined but is considered low risk.

Red Hat has released updated RPM packages (version 2.4.19-4.3.hum1) that address CVE-2026-105326. Users of Red Hat Hardened Images should apply these updates to remediate the vulnerability. Refer to the official Red Hat advisory and update repositories for instructions on applying the patches. No additional mitigation steps are indicated or required.