Security fix · 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).
Published Oct 31, 2025 · catalog updated Oct 31, 2025 · Qt Qt
Last checked Oct 26, 2026. A connected source was read within the last 7 days.
Check if you run it
No confirmed exploitation is on record for CVE-2025-23050. EPSS is 0.19%. Act only if a listed version of Qt Qt is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
Same product and reporting
- CVE-2025-12385 · High
- CVE-2025-6338 · Critical
- CVE-2025-10729 · Critical
- CVE-2025-10728 · Critical
- CVE-2025-5991 · Low
- Severity
- Low3.1
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 0.19%
- Remediation
- Version ranges on file
- Affected products
- vendor Qt Qt 6.6.0 <6.8.2
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.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- vendor Qt Qt 6.6.0 <6.8.26.6.0 <6.8.2
How to fix CVE-2025-23050
Upgrade
CVE-2025-23050 lists a fix boundary at 6.8.2. Compare the installed build with that boundary before you change production.
Version check
Seen in 6.6.0 <6.8.2
Advisory
Open the cve_org record and follow its fix.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2025-23050. EPSS is 0.19%. Act only if a listed version of Qt Qt is installed.
Which versions are affected?
Compare what you have installed with Qt Qt 6.6.0 <6.8.2 6.6.0 <6.8.2. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
No weakness class is stored. EPSS 0.19%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Oct 31, 2025 · EUVD
Detected
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.
Oct 31, 2025 · EUVD
Updated
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.
Sources
- CVE.orgVulnerability recordCVE-2025-23050
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2025-23050
30-day exploitation probability 0.19%
first.org - EUVDVulnerability recordEUVD-2025-37272
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.
euvd.enisa.europa.eu
References
Freshness
Last verified in this catalog Oct 26, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.
- FIRST EPSSOct 26, 2026
- CVE.orgOct 25, 2026
- EUVDOct 25, 2026