CVE-2025-47154 describes a critical use-after-free vulnerability in LibJS within the Ladybird browser, specifically affecting versions prior to f5a6704. This flaw allows remote attackers to execute arbitrary code by tricking a user into opening a specially crafted .js file. With a CVSS score of 9.0 (CRITICAL), the vulnerability has a network attack vector, high impact on confidentiality, integrity, and availability, but requires high attack complexity. Despite its severity, there is currently no evidence of active exploitation, public exploit code, or significant community discussion, aligning with its "pre-alpha" product status.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
| Ladybird | Ladybird | >= 0, < f5a670421954fc7130c3685b713c621b29516669CNA affecteddefault unaffected |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.4 Reddit, 1.1 Bluesky, 0.8 Mastodon, and 2.3 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.8 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.