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Fencer Vulns
low 3.1

CVE-2025-23050 json

QLowEnergyController in Qt before 6.8.2 mishandles malformed Bluetooth ATT commands, leading to an out-of-bounds read (or division by zero).

published 2025-10-31 12 mo ago modified 2026-10-19 20 d ago also EUVD-2025-37272

cvss
3.1
version 3.1, CNA
cisa kev
Not listed
not in CISA's catalog
epss
0.2%
EPSS 0.2% chance of exploitation in 30 days, percentile 8%
public exploits
0
none known

Summary

QLowEnergyController in Qt before 6.8.2 mishandles malformed Bluetooth ATT commands, leading to an out-of-bounds read (or division by zero). This is fixed in 5.15.19, 6.5.9, and 6.8.2.

Patch / fix

  • Qt Qt 5.15.19, 6.5.9, 6.8.2
  • qt6-connectivity Debian 14, Debian 13 6.7.2-8
  • qtconnectivity-opensource-src Debian 13 5.15.15-3

debian advisories DEBIAN-CVE-2025-23050

  • libqt5-qtconnectivity openSUSE Tumbleweed 5.15.16+kde2-1.1
  • qt6-connectivity Package Hub 15 SP6, openSUSE Leap 15.6 6.6.3-bp156.2.3.1
  • qt6-connectivity openSUSE Tumbleweed 6.8.1-2.1

opensuse advisories openSUSE-SU-2025:14716-1openSUSE-SU-2025:0033-1openSUSE-SU-2025:14692-1

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2025-23050 updated cvss 3.1

qt: qt5: qt6: Qt missing length checks

  • Red Hat Enterprise Linux 6 qt, qt3, qt-x11, qt-odbc, qt-demos, qt-mysql, +10 more Red Hat Enterprise Linux 7 qt, qt3, qt-x11, qt-odbc, qt-qvfb, qt-demos, +12 more
    affected: workaround, no fix planned “Out of support scope”
  • Red Hat Enterprise Linux 8 qt5, qt5-rpm-macros, qt5-srpm-macros Red Hat Enterprise Linux 9 qt5, qt5-rpm-macros, qt5-srpm-macros Red Hat Enterprise Linux 10 qt6
    affected: workaround, no fix available “Fix deferred”

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
partial
Assessed
12 mo ago

Exploit prediction

0.19% chance of exploitation in the next 30 days, higher than 8% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 3.1 CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L

Affected products

  • Qt Qt

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.