CVE-2025-62490

In quickjs, in js_print_object, when printing an array, the function first fetches the array length and then loops over it. The issue is, printing a value is not side-effect free. An attacker-defined callback could run during js_print_value, during which the array could get resized and len1 become out of bounds. This results in a use-after-free.A second instance occurs in the same function during printing of a map or set objects. The code iterates over ms->records list, but once again, elements could be removed from the list during js_print_value call.

CVSS

No CVSS.

References

Link	Resource
https://bellard.org/quickjs/Changelog
https://issuetracker.google.com/434196651

Configurations

No configuration.

History

16 Oct 2025, 16:15

Type	Values Removed	Values Added
New CVE

Information

Published : 2025-10-16 16:15

Updated : 2025-10-21 19:31

NVD link : CVE-2025-62490

Mitre link : CVE-2025-62490

CVE.ORG link : CVE-2025-62490

JSON object : View

Products Affected

No product.

CWE

CWE-416

Use After Free

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