High
Out-of-bounds read vulnerability in string formatting impacts Qt for MCUs
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.
Announced Source revision 1
Original source ↗CVE-2026-95509
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-95509
Qt for MCUs
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"vendor": "qt",
"modules": [
"qul"
],
"product": "Qt for MCUs",
"versions": [
{
"status": "affected",
"version": "2.6.0",
"lessThan": "2.11.3",
"versionType": "python"
},
{
"status": "affected",
"version": "2.12.0",
"lessThan": "2.12.3",
"versionType": "python"
}
],
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-95509
Source reference:
/cveMetadata/cveId
Publisher severity
high
Source reference: /containers/cna/metrics
- Event
- #3496 · Revision 1
- Added to Heist Feed
- Publisher date