This advisory covers a security update for the Node.js 20 module on Red Hat Enterprise Linux 9.4 Extended Update Support. It addresses multiple vulnerabilities: CVE-2025-59465 (denial of service), CVE-2025-55131 (uninitialized memory exposure), and CVE-2025-55130 (file permissions bypass), among others. These vulnerabilities affect the Node.js platform used for building network applications in JavaScript. Red Hat has released updated packages to fix these issues. The advisory references multiple CVEs and provides links to detailed CVE pages for further information. The update is classified as important by Red Hat Product Security. No CVSS scores are provided in the advisory, and no known exploits in the wild have been reported.

The vulnerabilities fixed include denial of service, exposure of uninitialized memory, and bypass of file permissions controls in Node.js 20 on Red Hat Enterprise Linux 9.4. These issues could allow attackers to disrupt service, access sensitive memory contents, or bypass security controls related to file permissions, potentially compromising system security or application integrity. The exact impact depends on the deployment context and usage of Node.js.

Red Hat has released updated Node.js 20 packages for Red Hat Enterprise Linux 9.4 Extended Update Support that address these vulnerabilities. Users should apply the security update as described in the Red Hat advisory RHSA-2026:2768 and the referenced article https://access.redhat.com/articles/11258. Since this is an official fix from Red Hat, applying the update is the recommended remediation. No additional mitigation steps are indicated in the advisory.