Description
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.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| qt | qt | 5.2.0 – < 6.8.9, 6.9.0 – < 6.11.2 | 6.8.9 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | qt6-connectivity | 6.11.2-2 | — |
| Debian 13 | qt6-connectivity +1 | No fix yet | — |
| Debian 12 | qt6-connectivity +1 | No fix yet | — |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | qt6-qtconnectivity | No fix yet | — |
Advisories 1
- WID-SEC-2026-3310 QT (NFC-Modul): Schwachstelle ermöglicht DoS and die Offenlegung von Informationen BSI CERT-Bund (WID) · Sep 10, 2026
References
- dev patch