SB20260428183 - Resource exhaustion in Serialize-javascript
Published: April 28, 2026
Security Bulletin ID
SB20260428183
CSH 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 vulnerability.
1) Resource exhaustion (CVE-ID: CVE-2026-34043)
CWE-ID: CWE-400 - Resource exhaustion
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to uncontrolled resource consumption in the serialize() function when serializing a specially crafted array-like object. A remote attacker can supply a crafted array-like object to cause a denial of service.
Exploitation can cause 100% CPU usage and the process may hang indefinitely.
Remediation
Install update from vendor's website.