RHSA-2026:9455HighCVSS 7.7

Red Hat Security Advisory: Red Hat Hardened Images RPMs bug fix and enhancement update

Published
April 21, 2026
Last Modified
August 19, 2026

🔗 CVE IDs covered (14)

📋 Description

CVE-2026-2950 — lodash: Lodash: Prototype pollution allows deletion of built-in prototype properties via array path bypass CVE-2026-8723 — qs: qs: Denial of Service due to improper handling of null/undefined array elements CVE-2026-45149 — brace-expansion: brace-expansion: Denial of Service due to excessive memory allocation when expanding large numeric ranges CVE-2026-48615 — nodejs: Node.js: Information disclosure of proxy credentials via proxy tunnel error handling CVE-2026-48618 — nodejs: Node.js: Authentication bypass due to TLS hostname handling and unicode dot separator mismatch CVE-2026-48619 — nodejs: Node.js: Denial of Service via unlimited HTTP/2 ORIGIN frames CVE-2026-48928 — Node.js: Node.js: Trust-policy bypass due to hostname matching inconsistency CVE-2026-48930 — nodejs: Node.js: Silent authority rebinding due to embedded-nul hostnames in TLS handling CVE-2026-48933 — nodejs: Node.js WebCrypto: Denial of Service via large input to subtle.encrypt() CVE-2026-48934 — nodejs: Node.js: Certification validation bypass in TLS host verification CVE-2026-48935 — nodejs: Node.js: Unauthorized file metadata modification CVE-2026-48936 — nodejs: Node.js: Local server can be started without network permission via Permission API flaw CVE-2026-59868 — js-yaml: js-yaml: Denial of Service via quadratic CPU time parsing with merge keys CVE-2026-59870 — js-yaml: js-yaml: Denial of Service via crafted YAML ordered-map document

🎯 Affected products5

  • Red Hat Hardened Images
  • nodejs20-main@aarch64 as a component of Red Hat Hardened Images
  • nodejs20-main@noarch as a component of Red Hat Hardened Images
  • nodejs20-main@src as a component of Red Hat Hardened Images
  • nodejs20-main@x86_64 as a component of Red Hat Hardened Images

✅ Remediation

For details on how to apply this update, which includes the changes described in this advisory, refer to: https://images.redhat.com/ Workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability. Workaround: Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability. Workaround: Upgrade to js-yaml 5.2.0 or later. Where an immediate upgrade is not possible, avoid parsing untrusted YAML documents that use merge keys ('<<'), or apply size and time limits when parsing untrusted YAML input. Workaround: Avoid using the YAML11_SCHEMA when parsing untrusted YAML input, or upgrade to js-yaml 5.2.1 or later. Applications using the default schema (CORE_SCHEMA) are not affected.

🔗 References (18)