CVE-2026-34043

Published: Mar 31, 2026 Last Modified: Mar 31, 2026
ExploitDB:
Other exploit source:
Google Dorks:
MEDIUM 5,9
Source: [email protected]
Attack Vector: network
Attack Complexity: high
Privileges Required: none
User Interaction: none
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high

Description

AI Translation Available

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.

400

Uncontrolled Resource Consumption

Draft
Abstraction: Class Structure: Simple
Common Consequences
Security Scopes Affected:
Availability Access Control Other
Potential Impacts:
Dos: Crash, Exit, Or Restart Dos: Resource Consumption (Cpu) Dos: Resource Consumption (Memory) Dos: Resource Consumption (Other) Bypass Protection Mechanism Other
Applicable Platforms
All platforms may be affected
Likelihood of Exploit: High
View CWE Details
834

Excessive Iteration

Incomplete
Abstraction: Class Structure: Simple
Common Consequences
Security Scopes Affected:
Availability
Potential Impacts:
Dos: Resource Consumption (Cpu) Dos: Resource Consumption (Memory) Dos: Amplification Dos: Crash, Exit, Or Restart
Applicable Platforms
All platforms may be affected
View CWE Details
https://github.com/yahoo/serialize-javascript/commit/f147e9…
https://github.com/yahoo/serialize-javascript/commit/f147e90269b58bb6e539cfdf3d…
https://github.com/yahoo/serialize-javascript/releases/tag/…
https://github.com/yahoo/serialize-javascript/releases/tag/v7.0.5
https://github.com/yahoo/serialize-javascript/security/advi…
https://github.com/yahoo/serialize-javascript/security/advisories/GHSA-qj8w-gfj…