What is CVE-2026-47311?

CVE-2026-47311 is a high-severity vulnerability in Samsung Escargot, classified under Heap-based Buffer Overflow. CVSS score: 7.8/10. Published 2026-05-19.

How severe is CVE-2026-47311?

High severity. CVSS v3 base score is 7.8 out of 10.

Buffer overflow in Samsung Escargot

CVE-2026-47311

Heap-based buffer overflow vulnerability in Samsung Open Source Escargot allows Overflow Buffers. This issue affects Escargot: 590345cc6258317c5da850d846ce6baaf2afc2d3.

Vulnerability class: Buffer Overflow

EPSS: 0.000 (1.2th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Samsung Escargot — versions 2026-05-14
Samsung Open Source Escargot — versions 590345cc6258317c5da850d846ce6baaf2afc2d3

Weakness classification (CWE)

CWE-122 — Heap-based Buffer Overflow

References

PSIRT@samsung.com (Patch, Issue Tracking)

Frequently asked questions

What is CVE-2026-47311?: CVE-2026-47311 is a high-severity vulnerability in Samsung Escargot, classified under Heap-based Buffer Overflow. CVSS score: 7.8/10. Published 2026-05-19.
How severe is CVE-2026-47311?: High severity. CVSS v3 base score is 7.8 out of 10.