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CVE-2026-13326

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

MEDIUM
6.9
CVSS Score
Published: September 11, 2026 at 06:11 AM UTC
Updated: September 18, 2026 at 07:39 PM UTC
1 product affected across 1 vendorQt

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Severity
MEDIUM6.9
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Qt· Qt
95%
5.2.0 ≤ v < 6.8.96.9.0 ≤ v < 6.11.25.2.06.9.0
Affected range stops below 6.11.2, so it looks safe — our inference, not a vendor statement
Affected range stops below 6.8.9, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (1)

Patch
Source: cverecord
https://codereview.qt-project.org/c/qt/qtconnectivity/+/743136

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

6.9MEDIUMQt
Vector?

Quick Info

StatusAWAITING ANALYSIS
CWE
CWE-125CWE-191

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