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

This Red Hat security advisory addresses a high severity vulnerability identified as CVE-2026-19553 affecting python3.13 packages within Red Hat Hardened Images RPMs. The update includes multiple python3.13 RPMs such as python3.13-debug, python3.13-devel, python3.13-freethreading, and others for both aarch64 and x86_64 architectures. The advisory provides updated package versions (3.13.15-1.4.hum1) that fix the vulnerability. No detailed technical specifics about the vulnerability are provided beyond the CVE identifier and CWE-297 classification.

The vulnerability affects python3.13 packages in Red Hat Hardened Images, potentially impacting systems using these packages. The severity is rated high, indicating a significant security risk if unpatched. No known exploits in the wild have been reported. The impact is limited to the affected RPMs and architectures specified.

A fixed update is available for the affected python3.13 packages (version 3.13.15-1.4.hum1). Users should apply this update promptly to remediate CVE-2026-19553. Refer to the official Red Hat advisory at https://access.redhat.com/errata/RHSA-2026:74605 and https://images.redhat.com/ for detailed update instructions. No additional mitigation steps are indicated by the vendor.