Skip to content
OpenAdvisories
High ALSA-2026:7123 9 CVEs

Important: nodejs:22 security update

Published Apr 8, 2026 · Updated Oct 29, 2026

Ecosystem: AlmaLinux

Summary

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

Security Fix(es):

* brace-expansion: brace-expansion: Denial of Service via unbounded brace range expansion (CVE-2026-25547)
* minimatch: minimatch: Denial of Service via specially crafted glob patterns (CVE-2026-26996)
* minimatch: Minimatch: Denial of Service via catastrophic backtracking in glob expressions (CVE-2026-27904)
* undici: undici: Denial of Service via unbounded memory consumption during WebSocket permessage-deflate decompression (CVE-2026-1526)
* undici: Undici: Denial of Service via invalid WebSocket permessage-deflate extension parameter (CVE-2026-2229)
* undici: Undici: HTTP Request Smuggling and Denial of Service due to duplicate Content-Length headers (CVE-2026-1525)
* undici: undici: Denial of Service via crafted WebSocket frame with large length (CVE-2026-1528)
* nghttp2: nghttp2: Denial of Service via malformed HTTP/2 frames after session termination (CVE-2026-27135)
* 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.

Fixed packages 10

ReleasePackageFixed in
AlmaLinux · 8 nodejs 1:22.22.2-1.module_el8.10.0+4158+e796f37f
AlmaLinux · 8 nodejs-devel 1:22.22.2-1.module_el8.10.0+4158+e796f37f
AlmaLinux · 8 nodejs-docs 1:22.22.2-1.module_el8.10.0+4158+e796f37f
AlmaLinux · 8 nodejs-full-i18n 1:22.22.2-1.module_el8.10.0+4158+e796f37f
AlmaLinux · 8 nodejs-libs 1:22.22.2-1.module_el8.10.0+4158+e796f37f
AlmaLinux · 8 nodejs-nodemon 3.0.1-1.module_el8.10.0+4006+3c416519
AlmaLinux · 8 nodejs-packaging 2021.06-6.module_el8.10.0+4158+e796f37f
AlmaLinux · 8 nodejs-packaging-bundler 2021.06-6.module_el8.10.0+4158+e796f37f
AlmaLinux · 8 npm 1:10.9.7-1.22.22.2.1.module_el8.10.0+4158+e796f37f
AlmaLinux · 8 v8-12.4-devel 3:12.4.254.21-1.22.22.2.1.module_el8.10.0+4158+e796f37f

Vulnerabilities 9

  • Critical 9.2
    CVE-2026-25547

    Uncontrolled Resource Consumption in @isaacs/brace-expansion

    @isaacs/brace-expansion is a hybrid CJS/ESM TypeScript fork of brace-expansion. Prior to version 5.0.1, @isaacs/brace-expansion is vulnerable to a denial of service (DoS) issue caused by unbounded brace range expansion. When an attacker provides a pattern con…

    isaacs brace-expansion renovate lerna Debian Ubuntu Wolfi npm
  • High 8.7
    CVE-2026-26996

    minimatch has a ReDoS via repeated wildcards with non-matching literal in pattern

    minimatch is a minimal matching utility for converting glob expressions into JavaScript RegExp objects. Versions 10.2.0 and below are vulnerable to Regular Expression Denial of Service (ReDoS) when a glob pattern contains many consecutive * wildcards followed…

    isaacs minimatch langfuse-3-worker katib-suggestion-hyperopt Debian Ubuntu Wolfi npm
  • High 7.5
    CVE-2026-1526

    undici is vulnerable to Unbounded Memory Consumption in undici WebSocket permessage-deflate Decompression

    The undici WebSocket client is vulnerable to a denial-of-service attack via unbounded memory consumption during permessage-deflate decompression. When a WebSocket connection negotiates the permessage-deflate extension, the client decompresses incoming compres…

    undici undici langfuse-3-worker renovate Debian Ubuntu Wolfi npm
  • High 7.5
    CVE-2026-1528

    undici is vulnerable to Malicious WebSocket 64-bit length overflows undici parser and crashes the client

    ImpactA server can reply with a WebSocket frame using the 64-bit length form and an extremely large length. undici's ByteParser overflows internal math, ends up in an invalid state, and throws a fatal TypeError that terminates the process. Patches Patched in …

    undici undici langfuse-3-worker renovate Debian Ubuntu Wolfi npm
  • High 7.5
    CVE-2026-21710 Public exploit EPSS 25%

    A flaw in Node.js HTTP request handling causes an uncaught `TypeError` when a request is received with a header named `…

    Node.js node nodejs nodejs Debian Ubuntu Azure Linux Alpine Wolfi
  • High 7.5
    CVE-2026-2229

    undici is vulnerable to Unhandled Exception in undici WebSocket Client Due to Invalid server_max_window_bits Validation

    ImpactThe undici WebSocket client is vulnerable to a denial-of-service attack due to improper validation of the server_max_window_bits parameter in the permessage-deflate extension. When a WebSocket client connects to a server, it automatically advertises sup…

    undici undici langfuse-3-worker renovate Debian Ubuntu Wolfi npm
  • High 7.5
    CVE-2026-27135

    nghttp2 Denial of service: Assertion failure due to the missing state validation

    nghttp2 is an implementation of the Hypertext Transfer Protocol version 2 in C. Prior to version 1.68.1, the nghttp2 library stops reading the incoming data when user facing public API `nghttp2_session_terminate_session` or `nghttp2_session_terminate_session2…

    nghttp2 nghttp2 nodejs cmake Debian Ubuntu Azure Linux Alpine
  • High 7.5
    CVE-2026-27904

    minimatch ReDoS: nested *() extglobs generate catastrophically backtracking regular expressions

    minimatch is a minimal matching utility for converting glob expressions into JavaScript RegExp objects. Prior to version 10.2.3, 9.0.7, 8.0.6, 7.4.8, 6.2.2, 5.1.8, 4.2.5, and 3.1.4, nested `*()` extglobs produce regexps with nested unbounded quantifiers (e.g.…

    isaacs minimatch katib-suggestion-hyperopt katib-earlystopping Debian Ubuntu Wolfi npm
  • Medium 6.5
    CVE-2026-1525

    undici is vulnerable to Inconsistent Interpretation of HTTP Requests ('HTTP Request/Response Smuggling')

    Undici allows duplicate HTTP Content-Length headers when they are provided in an array with case-variant names (e.g., Content-Length and content-length). This produces malformed HTTP/1.1 requests with multiple conflicting Content-Length values on the wire. Wh…

    undici undici langfuse-3-worker renovate Debian Ubuntu Wolfi npm

References

  • report
    https://access.redhat.com/security/cve/CVE-2026-1525
  • report
    https://access.redhat.com/security/cve/CVE-2026-1526
  • report
    https://access.redhat.com/security/cve/CVE-2026-1528
  • report
    https://access.redhat.com/security/cve/CVE-2026-21710
  • report
    https://access.redhat.com/security/cve/CVE-2026-2229
  • report
    https://access.redhat.com/security/cve/CVE-2026-25547
  • report
    https://access.redhat.com/security/cve/CVE-2026-26996
  • report
    https://access.redhat.com/security/cve/CVE-2026-27135
  • report
    https://access.redhat.com/security/cve/CVE-2026-27904
  • report
    https://bugzilla.redhat.com/2436942
  • report
    https://bugzilla.redhat.com/2441268
  • report
    https://bugzilla.redhat.com/2442922
  • report
    https://bugzilla.redhat.com/2447142
  • report
    https://bugzilla.redhat.com/2447143
  • report
    https://bugzilla.redhat.com/2447144
  • report
    https://bugzilla.redhat.com/2447145
  • report
    https://bugzilla.redhat.com/2448754
  • report
    https://bugzilla.redhat.com/2453151
  • advisory
    https://errata.almalinux.org/8/ALSA-2026-7123.html