Red Hat Security Advisory: nodejs:24 security update
Node.js is a software development platform for building fast and scalable network applications in the JavaScript programming language. Security Fix(es): * nodejs: Nodejs denial of service (CVE-2026-21637) * minimatch: minimatch: Denial of Service via specially crafted glob patterns (CVE-2026-26996) * undici: Undici: Denial of Service due to uncontrolled resource consumption (CVE-2026-2581) * undici: Undici: HTTP header injection and request smuggling vulnerability (CVE-2026-1527) * 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 via malformed Internationalized Domain Name processing (CVE-2026-21712) * Node.js: Node.js: Denial of Service due to crafted HTTP `__proto__` header (CVE-2026-21710) * Node.js: Node.js: Information disclosure due to `fs.realpathSync.native()` bypassing filesystem read restrictions (CVE-2026-21715) * nodejs: Node.js: Permission bypass allows unauthorized modification of file permissions and ownership via incomplete security fix. (CVE-2026-21716) * Node.js: Node.js: Unauthorized inter-process communication due to missing Unix Domain Socket permission checks (CVE-2026-21711) * Node.js: Node.js: Information disclosure via timing oracle in HMAC verification (CVE-2026-21713) * Node.js: Node.js: Memory leak and Denial of Service via crafted HTTP/2 WINDOW_UPDATE frames (CVE-2026-21714) * 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.
AI Analysis
Technical Summary
Red Hat issued a security advisory (RHSA-2026:7670) for the nodejs:24 module in Red Hat Enterprise Linux 8, addressing 17 vulnerabilities including CVE-2026-1525 and others affecting Node.js and related libraries (undici, minimatch, nghttp2, V8). The vulnerabilities include denial of service via malformed HTTP/2 frames, HTTP request smuggling, uncontrolled resource consumption, information disclosure through timing or filesystem bypasses, permission bypass allowing unauthorized file permission changes, and unauthorized inter-process communication due to missing Unix Domain Socket permission checks. The advisory provides updated packages rebased to the latest Node.js 24 release to remediate these issues. The update is classified as Important by Red Hat Product Security.
Potential Impact
The vulnerabilities collectively allow attackers to cause denial of service conditions, perform HTTP request smuggling, leak sensitive information, bypass file system read restrictions, modify file permissions without authorization, and communicate between processes without proper permission checks. These impacts could disrupt application availability, compromise data confidentiality, and weaken system security controls on affected Red Hat Enterprise Linux 8 systems running Node.js 24.
Mitigation Recommendations
Red Hat has released an updated nodejs:24 module for Red Hat Enterprise Linux 8 that addresses all listed vulnerabilities. Users should apply this official security update as described in the Red Hat advisory (RHSA-2026:7670) and the referenced article https://access.redhat.com/articles/11258 to remediate these issues. No additional mitigation steps are indicated beyond applying the update.
Red Hat Security Advisory: nodejs:24 security update
Description
Node.js is a software development platform for building fast and scalable network applications in the JavaScript programming language. Security Fix(es): * nodejs: Nodejs denial of service (CVE-2026-21637) * minimatch: minimatch: Denial of Service via specially crafted glob patterns (CVE-2026-26996) * undici: Undici: Denial of Service due to uncontrolled resource consumption (CVE-2026-2581) * undici: Undici: HTTP header injection and request smuggling vulnerability (CVE-2026-1527) * 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 via malformed Internationalized Domain Name processing (CVE-2026-21712) * Node.js: Node.js: Denial of Service due to crafted HTTP `__proto__` header (CVE-2026-21710) * Node.js: Node.js: Information disclosure due to `fs.realpathSync.native()` bypassing filesystem read restrictions (CVE-2026-21715) * nodejs: Node.js: Permission bypass allows unauthorized modification of file permissions and ownership via incomplete security fix. (CVE-2026-21716) * Node.js: Node.js: Unauthorized inter-process communication due to missing Unix Domain Socket permission checks (CVE-2026-21711) * Node.js: Node.js: Information disclosure via timing oracle in HMAC verification (CVE-2026-21713) * Node.js: Node.js: Memory leak and Denial of Service via crafted HTTP/2 WINDOW_UPDATE frames (CVE-2026-21714) * 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.
Affected software
Weaknesses
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
Red Hat issued a security advisory (RHSA-2026:7670) for the nodejs:24 module in Red Hat Enterprise Linux 8, addressing 17 vulnerabilities including CVE-2026-1525 and others affecting Node.js and related libraries (undici, minimatch, nghttp2, V8). The vulnerabilities include denial of service via malformed HTTP/2 frames, HTTP request smuggling, uncontrolled resource consumption, information disclosure through timing or filesystem bypasses, permission bypass allowing unauthorized file permission changes, and unauthorized inter-process communication due to missing Unix Domain Socket permission checks. The advisory provides updated packages rebased to the latest Node.js 24 release to remediate these issues. The update is classified as Important by Red Hat Product Security.
Potential Impact
The vulnerabilities collectively allow attackers to cause denial of service conditions, perform HTTP request smuggling, leak sensitive information, bypass file system read restrictions, modify file permissions without authorization, and communicate between processes without proper permission checks. These impacts could disrupt application availability, compromise data confidentiality, and weaken system security controls on affected Red Hat Enterprise Linux 8 systems running Node.js 24.
Mitigation Recommendations
Red Hat has released an updated nodejs:24 module for Red Hat Enterprise Linux 8 that addresses all listed vulnerabilities. Users should apply this official security update as described in the Red Hat advisory (RHSA-2026:7670) and the referenced article https://access.redhat.com/articles/11258 to remediate these issues. No additional mitigation steps are indicated beyond applying the update.
Technical Details
- Gcve Source
- db.gcve.eu
- Csaf Category
- csaf_security_advisory
- Csaf Version
- 2.0
- Publisher
- Red Hat Product Security
- Advisory Id
- RHSA-2026:7670
- Cve Count
- 17
- Additional Cves
- ["CVE-2026-1526","CVE-2026-1527","CVE-2026-1528","CVE-2026-2229","CVE-2026-2581","CVE-2026-21637","CVE-2026-21710","CVE-2026-21711","CVE-2026-21712","CVE-2026-21713","CVE-2026-21714","CVE-2026-21715","CVE-2026-21716","CVE-2026-21717","CVE-2026-26996","CVE-2026-27135"]
- Cvss Version
- null
Threat ID: 6a160984e29bf47b50650e62
Added to database: 05/26/2026, 20:58:44 UTC
Last enriched: 07/26/2026, 00:08:08 UTC
Last updated: 07/31/2026, 19:22:57 UTC
Views: 112
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