Red Hat alert RHSA-2026:39246-01 (nodejs22)

An update for nodejs22 is now available for Red Hat Enterprise Linux 10.0
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 platform built on Chrome's JavaScript runtime \ for easily
building fast, scalable network applications. \ Node.js uses an event-driven,
non-blocking I/O model that \ makes it lightweight and efficient, perfect for
data-intensive \ real-time applications that run across distributed devices.

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)

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.

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attribution to Red Hat Inc. and provide a link to the original.

Original: https://access.redhat.com/security/data/csaf/v2/advisories/2026/rhsa-2026_39246.json