CVE-2025-47154 CRITICAL

CVE-2025-47154

Vendor Ladybird
Product Ladybird
Weakness CWE-820
Published May 1, 2025
Last update May 1, 2025
View on NVD All CVEs

CVSS base score

9.0/10
Attack vector Network
Attack complexity High
Privileges required None
User interaction None
Confidentiality High
Integrity High

CVSS vector

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

What the vulnerability does

01Description

LibJS in Ladybird before f5a6704 mishandles the freeing of the vector that arguments_list references, leading to a use-after-free, and allowing remote attackers to execute arbitrary code via a crafted .js file. NOTE: the GitHub README says "Ladybird is in a pre-alpha state, and only suitable for use by developers."

Key dates

02Disclosure timeline

May 1, 2025 CVE published
May 1, 2025 Record updated