SB20260424138 - Allocation of Resources Without Limits or Throttling in undici
Published: April 24, 2026
Security Bulletin ID
SB20260424138
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Allocation of Resources Without Limits or Throttling (CVE-ID: CVE-2026-22036)
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to allocation of resources without limits or throttling in the fetch() API and undici decompress interceptor when processing HTTP responses with chained Content-Encoding values. A remote attacker can send a specially crafted response with thousands of compression steps to cause a denial of service.
Remediation
Install update from vendor's website.