What’s Vulnerable › Vulnerabilities

CVE-2026-86315

• Severity: medium (CVSS 6.2 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2026-09-07 · updated 2026-09-28
• Weakness: CWE-197

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.

Affected products

• Samsung Opensource Escargot: 5dc93606abd42b859045add05d704a038e197359

References

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

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