CVE-2025-47154
moderate-risk
Published 2025-05-01
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."
Do I need to act?
~
1.1% chance of exploitation in next 30 days
EPSS score — moderate exploit probability
-
Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
9
CVSS 9.0/10
Critical
NETWORK
/ HIGH complexity
34
/ 100
moderate-risk
Severity
26/34 · High
Exploitability
3/34 · Minimal
Exposure
5/34 · Minimal