CVE-2026-95509 — Out-of-bounds read vulnerability in string formatting impacts Qt for MCUs

CVE-2026-95509

Out-of-bounds read vulnerability in string formatting impacts Qt for MCUs PUBLISHED

Description (CNA)

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.

Affected (CNA)

Vendor / product	Versions
qt / Qt for MCUs	affected 2.6.0 before 2.11.3; affected 2.12.0 before 2.12.3

CWE

CWE-125, CWE-131

References

https://wiki.qt.io/List_of_known_vulnerabilities_in_Qt_products#CVE-2026-95509:

ADP enrichment

CISA-ADP

No English description supplied.

No references supplied.