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CVE-2026-86315

Medium

Description

An out-of-bounds write caused by numeric truncation Samsung Open Source Escargot on Linux x86-64 allows an attacker who can supply JavaScript for execution to corrupt native memory and crash the host process via a crafted class definition whose instance initialization entry count exceeds UINT16_MAX. This issue affects Escargot: 5dc93606abd42b859045add05d704a038e197359.

SeverityMedium
CVSS6.2
Exploit probability—
ProductEscargot
PublishedSep 7, 2026
First seenSep 7, 2026
Weakness typeCWE-197CWE-197

How to fix

Sources list no fixed version or patch link for this vulnerability.

Affected products

ProductAffected versionsFixed in
Samsung Opensource Escargot5dc93606abd42b859045add05d704a038e197359—

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