What is CVE-2025-23050?

CVE-2025-23050 is a low-severity vulnerability in Qt, classified under Out-of-bounds Read. CVSS score: 3.1/10. Published 2025-10-31.

How severe is CVE-2025-23050?

Low severity. CVSS v3 base score is 3.1 out of 10.

Is CVE-2025-23050 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Out-of-bounds Read in Qt

CVE-2025-23050

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.

Vulnerability class: Buffer Overflow

EPSS: 0.002 (7.4th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 3.1 (Low). Vector: CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L.

Affected products

Qt — versions 0, 6.0.0, 6.6.0

Weakness classification (CWE)

CWE-125 — Out-of-bounds Read

Public proof-of-concept exploits

imaiguo/qteverywhere.5.15.17

References

Frequently asked questions

What is CVE-2025-23050?: CVE-2025-23050 is a low-severity vulnerability in Qt, classified under Out-of-bounds Read. CVSS score: 3.1/10. Published 2025-10-31.
How severe is CVE-2025-23050?: Low severity. CVSS v3 base score is 3.1 out of 10.
Is CVE-2025-23050 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.