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Advisory severityMedium5.3Red Hat Linux

Medium [CVE-2026-48619] Denial of Service via unlimited HTTP/2 ORIGIN frames

This medium-severity Red Hat Linux advisory covers CVE-2026-48619 affecting Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 8, Red Hat Enterprise Linux 9.

Aggregated and source-linked by VulniPulse. Data sources, validation and limitations.

CVE-2026-48619 Source published Source updated

VulniPulse record published Record updated

CVE-2026-48619
Affected products & platforms
Red Hat LinuxRed Hat Enterprise Linux
Open source advisory

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Summary

A flaw in Node.js HTTP/2 client allows a server to send an unlimited number of ORIGIN frames, which could lead to an Out of Memory error on the client. This vulnerability affects all supported release lines: **Node.js 22**, **Node.js 24**, and **Node.js 26**.

A flaw was found in Node.js. This Moderate flaw in the Node.js HTTP/2 client can lead to a denial of service.

A malicious server could exploit this by sending an excessive number of ORIGIN frames, causing the client to consume all available memory. This affects Red Hat products utilizing Node.js as an HTTP/2 client.

Red Hat severity: Moderate — CVSS 5.3 (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L). Weakness: CWE-770.

Affected Red Hat products: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat Hardened Images. Red Hat fixing advisory: RHSA-2026:35841, RHSA-2026:35842, RHSA-2026:39868, RHSA-2026:41947, RHSA-2026:35891, RHSA-2026:35892, RHSA-2026:33866, RHSA-2026:34478, RHSA-2026:35272, RHSA-2026:7378, RHSA-2026:9455.

Affected products named by the advisory: Red Hat package: nodejs24; Red Hat package: nodejs22.

Affected versions

No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.

Official advisory · high-confidence parse· fetched 13 days ago·verify at source

Fixed versions
  • nodejs24-1:24.18.0-1.el10_2
  • nodejs22-1:22.23.1-2.el10_2
  • nodejs:24-8100020260630152626.6d880403
  • nodejs:22-8100020260703140402.6d880403
  • nodejs:24-9080020260626074955.rhel9
  • nodejs:22-9080020260626075442.rhel9
  • nodejs26-main-26.4.0-1.3.hum1
  • nodejs24-main-24.18.0-0.2.hum1
  • nodejs22-main-22.23.1-2.hum1
  • nodejs25-main-25.9.0-1.1.hum1
  • nodejs20-main-20.20.2-1.hum1
  • RHSA-2026:35841
  • RHSA-2026:35842
  • RHSA-2026:39868
  • RHSA-2026:41947
  • RHSA-2026:35891
  • RHSA-2026:35892
  • RHSA-2026:33866
  • RHSA-2026:34478
  • RHSA-2026:35272
  • RHSA-2026:7378
  • RHSA-2026:9455

Official advisory · high-confidence parse· fetched 13 days ago·verify at source

Mitigation checklist

Recommended fix / mitigation
  • Mitigation for this issue is either not available or the currently available options do not meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base or stability.

Official advisory · high-confidence parse· fetched 13 days ago·verify at source

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