CVE-2026-86315

MEDIUMCVSS 6.2

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.

Timeline

Published:September 7th, 2026 4:17 AM

Last modified:September 8th, 2026 7:09 PM

CVSS Scoring

CVSS v3: 6.2 (MEDIUM)

CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weaknesses (CWE)

CWE-197

References & Reports

Advisories, patches, and third-party reports

https://github.com/Samsung/escargot/pull/1660

Source: NIST NVD · Data may lag official sources by up to one minute