ESB-2026.3482

=========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2026.3482 nodejs:24 security update 10 April 2026 =========================================================================== AUSCERT Security Bulletin Summary --------------------------------- Product: nodejs:24 Publisher: Red Hat Operating System: Red Hat Resolution: Patch/Upgrade CVE Names: CVE-2026-1525 CVE-2026-1526 CVE-2026-1528 CVE-2026-2229 CVE-2026-2581 CVE-2026-1527 CVE-2026-26996 CVE-2026-21712 CVE-2026-25547 CVE-2026-21711 CVE-2026-27135 CVE-2026-21710 CVE-2026-21713 CVE-2026-21637 CVE-2026-21715 CVE-2026-21716 CVE-2026-21717 CVE-2026-21714 Original Bulletin: https://access.redhat.com/errata/RHSA-2026:7350 Comment: CVSS (Max): 7.5 CVE-2026-27135 (CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H) CVSS Source: Red Hat Calculator: https://www.first.org/cvss/calculator/3.1#CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H EPSS (Max): 0.2% (40th) CVE-2026-2229 2026-04-09 - --------------------------BEGIN INCLUDED TEXT-------------------- RHSA-2026:7350 - Security Advisory Issued: 2026-04-09 Updated: 2026-04-09 Synopsis Nodejs:24 security update Type/Severity Security Advisory: Important Topic An update for the nodejs:24 module is now available for Red Hat Enterprise Linux 9. 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. Description Node.js is a software development platform for building fast and scalable network applications in the JavaScript programming language. Security Fix(es): o nodejs: Nodejs denial of service (CVE-2026-21637) o brace-expansion: brace-expansion: Denial of Service via unbounded brace range expansion (CVE-2026-25547) o minimatch: minimatch: Denial of Service via specially crafted glob patterns (CVE-2026-26996) o undici: Undici: Denial of Service due to uncontrolled resource consumption (CVE-2026-2581) o undici: Undici: HTTP header injection and request smuggling vulnerability (CVE-2026-1527) o undici: undici: Denial of Service via unbounded memory consumption during WebSocket permessage-deflate decompression (CVE-2026-1526) o undici: Undici: Denial of Service via invalid WebSocket permessage-deflate extension parameter (CVE-2026-2229) o undici: Undici: HTTP Request Smuggling and Denial of Service due to duplicate Content-Length headers (CVE-2026-1525) o undici: undici: Denial of Service via crafted WebSocket frame with large length (CVE-2026-1528) o nghttp2: nghttp2: Denial of Service via malformed HTTP/2 frames after session termination (CVE-2026-27135) o Node.js: Node.js: Denial of Service via malformed Internationalized Domain Name processing (CVE-2026-21712) o Node.js: Node.js: Denial of Service due to crafted HTTP `__proto__` header (CVE-2026-21710) o Node.js: Node.js: Information disclosure due to `fs.realpathSync.native()` bypassing filesystem read restrictions (CVE-2026-21715) o nodejs: Node.js: Permission bypass allows unauthorized modification of file permissions and ownership via incomplete security fix. (CVE-2026-21716) o Node.js: Node.js: Unauthorized inter-process communication due to missing Unix Domain Socket permission checks (CVE-2026-21711) o Node.js: Node.js: Information disclosure via timing oracle in HMAC verification (CVE-2026-21713) o Node.js: Node.js: Memory leak and Denial of Service via crafted HTTP/2 WINDOW_UPDATE frames (CVE-2026-21714) o nodejs: v8: Node.js: Denial of Service via V8 string hashing mechanism due to predictable hash collisions (CVE-2026-21717) 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. Solution For details on how to apply this update, which includes the changes described in this advisory, refer to: https://access.redhat.com/articles/11258 Affected Products o Red Hat Enterprise Linux for x86_64 9 x86_64 o Red Hat Enterprise Linux for IBM z Systems 9 s390x o Red Hat Enterprise Linux for Power, little endian 9 ppc64le o Red Hat Enterprise Linux for ARM 64 9 aarch64 Fixes o BZ - 2431340 - CVE-2026-21637 nodejs: Nodejs denial of service o BZ - 2436942 - CVE-2026-25547 brace-expansion: brace-expansion: Denial of Service via unbounded brace range expansion o BZ - 2441268 - CVE-2026-26996 minimatch: minimatch: Denial of Service via specially crafted glob patterns o BZ - 2447140 - CVE-2026-2581 undici: Undici: Denial of Service due to uncontrolled resource consumption o BZ - 2447141 - CVE-2026-1527 undici: Undici: HTTP header injection and request smuggling vulnerability o BZ - 2447142 - CVE-2026-1526 undici: undici: Denial of Service via unbounded memory consumption during WebSocket permessage-deflate decompression o BZ - 2447143 - CVE-2026-2229 undici: Undici: Denial of Service via invalid WebSocket permessage-deflate extension parameter o BZ - 2447144 - CVE-2026-1525 undici: Undici: HTTP Request Smuggling and Denial of Service due to duplicate Content-Length headers o BZ - 2447145 - CVE-2026-1528 undici: undici: Denial of Service via crafted WebSocket frame with large length o BZ - 2448754 - CVE-2026-27135 nghttp2: nghttp2: Denial of Service via malformed HTTP/2 frames after session termination o BZ - 2453037 - CVE-2026-21712 Node.js: Node.js: Denial of Service via malformed Internationalized Domain Name processing o BZ - 2453151 - CVE-2026-21710 Node.js: Node.js: Denial of Service due to crafted HTTP `__proto__` header o BZ - 2453152 - CVE-2026-21715 Node.js: Node.js: Information disclosure due to `fs.realpathSync.native()` bypassing filesystem read restrictions o BZ - 2453157 - CVE-2026-21716 nodejs: Node.js: Permission bypass allows unauthorized modification of file permissions and ownership via incomplete security fix. o BZ - 2453158 - CVE-2026-21711 Node.js: Node.js: Unauthorized inter-process communication due to missing Unix Domain Socket permission checks o BZ - 2453160 - CVE-2026-21713 Node.js: Node.js: Information disclosure via timing oracle in HMAC verification o BZ - 2453161 - CVE-2026-21714 Node.js: Node.js: Memory leak and Denial of Service via crafted HTTP/2 WINDOW_UPDATE frames o BZ - 2453162 - CVE-2026-21717 nodejs: v8: Node.js: Denial of Service via V8 string hashing mechanism due to predictable hash collisions CVEs o CVE-2026-1525 o CVE-2026-1526 o CVE-2026-1527 o CVE-2026-1528 o CVE-2026-2229 o CVE-2026-2581 o CVE-2026-21637 o CVE-2026-21710 o CVE-2026-21711 o CVE-2026-21712 o CVE-2026-21713 o CVE-2026-21714 o CVE-2026-21715 o CVE-2026-21716 o CVE-2026-21717 o CVE-2026-25547 o CVE-2026-26996 o CVE-2026-27135 References o https://access.redhat.com/security/updates/classification/#important - --------------------------END INCLUDED TEXT---------------------- You have received this e-mail bulletin as a result of your organisation's registration with AUSCERT. 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