CVE-2026-95509
High
Description
Strings optimized for Latin-1 displaying Latin-1 characters cause incorrect String.arg() formatting by an incorrect buffer size calculation, causing out-of-bounds reading.
SeverityHigh
CVSS8.8
Exploit probability—
ProductQt for MCUs
PublishedSep 29, 2026
First seenSep 29, 2026
Weakness typeCWE-125Out-of-bounds readCWE-131CWE-131
How to fix
Update
- qt Qt for MCUs2.11.3, 2.12.3 or later
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| qt Qt for MCUs | 2.6.0 ≤ v < 2.11.3, 2.12.0 ≤ v < 2.12.3 | 2.11.3, 2.12.3 |
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