RHSA-2026:52399 — Security Advisory

An update for the nodejs:22 module is now available for Red Hat Enterprise Linux 9.6 Extended Update Support.

Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section.

Node.js is a software development platform for building fast and scalable network applications in the JavaScript programming language.

Security Fix(es):

• ip-address: ip-address: Cross-site scripting via improper HTML escaping of untrusted input (CVE-2026-42338)

• undici: undici: Denial of Service due to unbounded memory growth via WebSocket frames (CVE-2026-12151)

• nodejs: Node.js WebCrypto: Denial of Service via large input to subtle.encrypt() (CVE-2026-48933)

• nodejs: Node.js: Information disclosure of proxy credentials via proxy tunnel error handling (CVE-2026-48615)

• nodejs: Node.js: Authentication bypass due to TLS hostname handling and unicode dot separator mismatch (CVE-2026-48618)

• brace-expansion: Brace-expansion: Denial of Service due to exponential-time complexity (CVE-2026-13149)

• tar: Node-tar: Denial of Service via malformed tar archive header (CVE-2026-59874)

• tar: node-tar: Denial of Service via crafted gzip bomb (CVE-2026-59873)

For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.