CVE-2026-88362info

Summary

by MITRE • 09/24/2026

MuJS e892c9fdb contains an incorrect numeric conversion vulnerability in jsR_isindex() in jsrun.c. A specially crafted JavaScript input containing an excessively large numeric array index can cause an out-of-range floating-point value to be converted to an integer without proper range validation. This results in undefined behavior and can cause process termination, leading to denial of service.

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An in-depth analysis is available in our curated vulnerability entry.

Disclosure

09/24/2026

Moderation

in review

EPSS

0.00000

KEV

no

Activities

very low

Sources

MITREhttps://www.cve.org/CVERecord?id=CVE-2026-88362
NVDhttps://nvd.nist.gov/vuln/detail/CVE-2026-88362
CVE Detailshttps://www.cvedetails.com/cve/CVE-2026-88362/

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