CVE-2026-95509

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

Published Sep 29, 2026 CVSS 4.0 · 8.8 High EPSS < 1% KEV · Not listed
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.

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

No advisories available
History
Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'yes', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
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.
Title Out-of-bounds read vulnerability in string formatting impacts Qt for MCUs
First Time appeared Qt
Qt qt For Mcus
Weaknesses CWE-125
CWE-131
CPEs cpe:2.3:a:qt:qt_for_mcus:*:*:*:*:*:*:*:*
Vendors & Products Qt
Qt qt For Mcus
References
Metrics cvssV4_0

{'score': 8.8, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:H/SC:N/SI:N/SA:N'}

Weaknesses

Sources

Status
PUBLISHED
Assigner
Qt
Published
Updated
Sep 29, 2026, 3:02 PM
Reserved
Sep 22, 2026, 7:25 AM
Status
Deferred
Published
Sep 29, 2026, 11:16 AM
Modified
Sep 30, 2026, 4:30 PM