Vulnerability · Published Sep 11, 2026 · Assigned by Qt
CVE-2026-13326Out-of-bounds read and integer underflow vulnerability in QNdefNfcTextRecord impacts Qt NFC module
Medium 6.9
In plain English
A medium-severity out-of-bounds read in qt from qt. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 4% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS 4.0)6.9Medium
Exploit odds (30 days)0.2%top 95.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known
Official 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 packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | qt6-connectivity | no fix listed | DEBIAN-CVE-2026-13326 |
| Debian:13 | qt6-connectivity | no fix listed | DEBIAN-CVE-2026-13326 |
| Debian:14 | qt6-connectivity | 6.11.2-2 | DEBIAN-CVE-2026-13326 |
| Debian:12 | qtconnectivity-opensource-src | no fix listed | DEBIAN-CVE-2026-13326 |
| Debian:13 | qtconnectivity-opensource-src | no fix listed | DEBIAN-CVE-2026-13326 |
Affected products (as reported)
Weakness: CWE-125, CWE-191 · Vector: 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
References
- dev patch