Upstream information

CVE-2026-34043 at MITRE

Description

Serialize JavaScript to a superset of JSON that includes regular expressions and functions. Prior to version 7.0.5, there is a Denial of Service (DoS) vulnerability caused by CPU exhaustion. When serializing a specially crafted "array-like" object (an object that inherits from Array.prototype but has a very large length property), the process enters an intensive loop that consumes 100% CPU and hangs indefinitely. This issue has been patched in version 7.0.5.

SUSE information

Overall state of this security issue: Resolved

This issue is currently rated as having important severity.

CVSS v3 Scores
CVSS detail CNA (GitHub) National Vulnerability Database
Base Score 5.9 7.5
Vector CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Attack Vector Network Network
Attack Complexity High Low
Privileges Required None None
User Interaction None None
Scope Unchanged Unchanged
Confidentiality Impact None None
Integrity Impact None None
Availability Impact High High
CVSSv3 Version 3.1 3.1
No SUSE Bugzilla entries cross referenced.

SUSE Security Advisories:

List of released packages

Product(s) Fixed package version(s) References
SUSE Liberty Linux 8
  • aspnetcore-runtime-8.0 >= 8.0.27-1.el8_10
  • aspnetcore-runtime-dbg-8.0 >= 8.0.27-1.el8_10
  • aspnetcore-targeting-pack-8.0 >= 8.0.27-1.el8_10
  • dotnet-apphost-pack-8.0 >= 8.0.27-1.el8_10
  • dotnet-hostfxr-8.0 >= 8.0.27-1.el8_10
  • dotnet-runtime-8.0 >= 8.0.27-1.el8_10
  • dotnet-runtime-dbg-8.0 >= 8.0.27-1.el8_10
  • dotnet-sdk-8.0 >= 8.0.127-1.el8_10
  • dotnet-sdk-8.0-source-built-artifacts >= 8.0.127-1.el8_10
  • dotnet-sdk-dbg-8.0 >= 8.0.127-1.el8_10
  • dotnet-targeting-pack-8.0 >= 8.0.27-1.el8_10
  • dotnet-templates-8.0 >= 8.0.127-1.el8_10
 Patchnames:
RHSA-2026:21291

SUSE Timeline for this CVE

CVE page created: Tue Mar 31 06:00:14 2026
CVE page last modified: Thu May 28 19:27:56 2026