CVE-2026-86315CWE-197

CVE-2026-86315

Medium · published September 7, 2026

CVSS v3.1
6.2
EPSS
0%
Percentile
6.3
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
6.2 · MEDIUM
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00172 · 6.3th percentile
Weakness
CWE-197 · Numeric Truncation Error
Published
2026-09-07T08:17Z
References (1)
https://github.com/Samsung/escargot/pull/1660 · [email protected]
EPSS history
Timeline
  • 08 SEP 03:24Z
    EPSS moved — → 0%
    epss
  • 07 SEP 04:01Z
    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…
    cvelistv5