SB2026051611 - Allocation of Resources Without Limits or Throttling in devalue



SB2026051611 - Allocation of Resources Without Limits or Throttling in devalue

Published: May 16, 2026

Security Bulletin ID SB2026051611
CSH Severity
Medium
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Allocation of Resources Without Limits or Throttling (CVE-ID: CVE-2026-42570)

The vulnerability allows a remote attacker to cause a denial of service.

The vulnerability exists due to excessive memory allocation in devalue.parse when deserializing sparse arrays. A remote attacker can supply a specially crafted sparse array input to cause a denial of service.

The issue can lead to excessive memory consumption due to quirks in some JavaScript engines.


Remediation

Install update from vendor's website.