CVE-2025-47154
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."
Scoring
- Severity
- CRITICAL
- CVSS base score
- 9
- CVSS vector
- CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
- EPSS probability
- 0.66%
- CWE
- CWE-820
- Published
- 2025-05-01
- Last modified
- 2026-03-13
Affected products
- Ladybird Ladybird
Weakness type
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