CVE-2026-13326 PUBLISHED

Out-of-bounds read and integer underflow vulnerability in QNdefNfcTextRecord impacts Qt NFC module

Assigner: Qt
Reserved: 25.06.2026 Published: 11.09.2026 Updated: 11.09.2026

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.

Metrics

CVSS 4.0

CVSS 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
CVSS Score: 6.9

Exploitability Metrics		Vulnerable System Impact Metrics		Subsequent System Impact Metrics
Attack Vector	Adjacent	Confidentiality	Low	Confidentiality	None
Attack Complexity	Low	Integrity	None	Integrity	None
Attack Requirements	None	Availability	High	Availability	None
Privileges Required	None
User Interaction	Active

CVSS 4.0

Product Status

Vendor	qt
Product	qt
Versions	Default: unaffected affected from 5.2.0 to 6.8.9 (excl.) affected from 6.9.0 to 6.11.2 (excl.)

References

Problem Types

CWE-125 Out-of-bounds Read CWE
CWE-191 Integer Underflow (Wrap or Wraparound) CWE

Impacts

CAPEC-540 Overread Buffers
CAPEC-92 Forced Integer Overflow