ESB-2026.3696 — Vulnetix

ESB-2026.3696 PUBLISHED CVSS 7.5 HIGH

=========================================================================== AUSCERT External Security Bulletin Redistribution ESB-2026.3696 nodejs:22 security update 15 April 2026 =========================================================================== AUSCERT Security Bulletin Summary --------------------------------- Product: nodejs:22 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-2026-26996 CVE-2026-25547 CVE-2026-27904 CVE-2026-27135 CVE-2026-21710 Original Bulletin: https://access.redhat.com/errata/RHSA-2026:7983 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% (42nd) CVE-2026-2229 2026-04-14 - --------------------------BEGIN INCLUDED TEXT-------------------- RHSA-2026:7983 - Security Advisory Issued: 2026-04-14 Updated: 2026-04-14 Synopsis Nodejs:22 security update Type/Severity Security Advisory: Important Topic 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. Description Node.js is a software development platform for building fast and scalable network applications in the JavaScript programming language. Security Fix(es): 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 minimatch: Minimatch: Denial of Service via catastrophic backtracking in glob expressions (CVE-2026-27904) 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 due to crafted HTTP `__proto__` header (CVE-2026-21710) 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 - Extended Update Support 9.6 x86_64 o Red Hat Enterprise Linux Server - AUS 9.6 x86_64 o Red Hat Enterprise Linux for IBM z Systems - Extended Update Support 9.6 s390x o Red Hat Enterprise Linux for Power, little endian - Extended Update Support 9.6 ppc64le o Red Hat Enterprise Linux for ARM 64 - Extended Update Support 9.6 aarch64 o Red Hat Enterprise Linux Server for Power LE - Update Services for SAP Solutions 9.6 ppc64le o Red Hat Enterprise Linux for x86_64 - Update Services for SAP Solutions 9.6 x86_64 o Red Hat Enterprise Linux for ARM 64 - 4 years of updates 9.6 aarch64 o Red Hat Enterprise Linux for IBM z Systems - 4 years of updates 9.6 s390x o Red Hat Enterprise Linux for x86_64 - Extended Life Cycle 9.6 x86_64 o Red Hat Enterprise Linux for ARM 64 - Extended Life Cycle 9.6 aarch64 o Red Hat Enterprise Linux for Power, little endian - Extended Life Cycle 9.6 ppc64le o Red Hat Enterprise Linux for IBM z Systems - Extended Life Cycle 9.6 s390x Fixes 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 - 2442922 - CVE-2026-27904 minimatch: Minimatch: Denial of Service via catastrophic backtracking in glob expressions 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 - 2453151 - CVE-2026-21710 Node.js: Node.js: Denial of Service due to crafted HTTP `__proto__` header CVEs o CVE-2026-1525 o CVE-2026-1526 o CVE-2026-1528 o CVE-2026-2229 o CVE-2026-21710 o CVE-2026-25547 o CVE-2026-26996 o CVE-2026-27135 o CVE-2026-27904 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. The mailing list you are subscribed to is maintained within your organisation, so if you do not wish to continue receiving these bulletins you should contact your local IT manager. If you do not know who that is, please send an email to auscert@auscert.org.au and we will forward your request to the appropriate person. NOTE: Third Party Rights This security bulletin is provided as a service to AUSCERT's members. As AUSCERT did not write the document quoted above, AUSCERT has had no control over its content. The decision to follow or act on information or advice contained in this security bulletin is the responsibility of each user or organisation, and should be considered in accordance with your organisation's site policies and procedures. AUSCERT takes no responsibility for consequences which may arise from following or acting on information or advice contained in this security bulletin. NOTE: This is only the original release of the security bulletin. It may not be updated when updates to the original are made. If downloading at a later date, it is recommended that the bulletin is retrieved directly from the author's website to ensure that the information is still current. Contact information for the authors of the original document is included in the Security Bulletin above. If you have any questions or need further information, please contact them directly. Previous advisories and external security bulletins can be retrieved from: https://portal.auscert.org.au/bulletins/ =========================================================================== AUSCERT The University of Queensland, Brisbane QLD 4072 Australia e: auscert@auscert.org.au t: +61 (0)7 3365 4417 Allies in Cyber Security ===========================================================================

Risk Scores

CVSS v3.1

7.5

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Products

Vendor	Product	Versions
Red Hat	nodejs:22

Timeline

Apr 15, 2026 CVE Published
Apr 15, 2026 Distribution Patch

References

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