CVE-2025-47154

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CVSS 3.1

9.0 critical

EPSS

<1%p50

Published

May 1, 2025 (May 1, 2025)

Modified

Jun 17, 2026

Description

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."

Weakness: CWE-820
Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

NVD CVE.org GitHub PoCs EPSS (0.7%)

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