CVE-2026-33957
Medium
Description
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.
SeverityMedium
CVSS4.2
Exploit probability2. percentile0.1%
Product
Exynos 1580 firmware
PublishedSep 14, 2026
First seenSep 14, 2026
Weakness typeCWE-787Out-of-bounds write
How to fix
Sources list no fixed version or patch link for this vulnerability.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| Samsung Exynos 1580 firmware | v ≤ 2026-01-07 | — |
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