CVE-2026-33957

An issue was discovered in CustOS Driver in Samsung Mobile Processor Exynos 1580. Requesting oversized shared memory from the custos_iwc device enables out-of-bounds read and write, potentially leading to memory corruption or information leakage.

Score

CVSS 3.1 4.2 Medium

Status

Awaiting Analysis - cve@mitre.org

Published

2026-09-14

Last modified

2026-09-14

Weaknesses

CWE-787

Affected products

• Exynos 1580 Firmware (Samsung)

References

• https://semiconductor.samsung.com/support/quality-support/product-security-updates/
• https://semiconductor.samsung.com/support/quality-support/product-security-updates/cve-2026-33957/