CVE-2026-13326

EUVD-2026-75974
An out-of-bounds read in Qt NFC's language code length parsing allows a physically proximate attacker to cause a denial of service or limited memory disclosure via a crafted NFC tag.
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
QtCNA
6.9 MEDIUM
ADJACENT
LOW
NONE
CVSS:4.0/AV:A/AC:L/AT:N/PR:N/UI:A/VC:L/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X
Base Score
CVSS 3.x
EPSS Score
Percentile: 4.4%
Early Detection
Affected products identified ahead of NVD analysis through intelligence sources (CNA/ADP records, vendor advisories, Enginsight analysis).
VendorProductVersionSource
qtqt
5.2.0 ≤
𝑥
< 6.8.9
CNA
qtqt
6.9.0 ≤
𝑥
< 6.11.2
CNA
Debian logo
Debian Releases
Debian Product
Codename
qt6-connectivity
bookworm
vulnerable
forky
6.11.2-2
fixed
sid
6.11.2-2
fixed
trixie
vulnerable
qtconnectivity-opensource-src
bookworm
vulnerable
trixie
vulnerable
Common Weakness Enumeration
References
https://codereview.qt-project.org/c/qt/qtconnectivity/+/743136