CVE-2023-38197: Qt

High severity, CVSS 7.5. EPSS: 1.3% chance of exploitation in the next 30 days.

An issue was discovered in Qt before 5.15.15, 6.x before 6.2.10, and 6.3.x through 6.5.x before 6.5.3. There are infinite loops in recursive entity expansion.

Affected products

• Qt Qt: before 5.15.15 (fixed in 5.15.15); from 6.0.0, before 6.2.10 (fixed in 6.2.10); from 6.3.0, before 6.5.3 (fixed in 6.5.3)

Published 2023-07-13. Last modified 2026-06-17.