$ cve CVE-2018-19873 JSON

CVE-2018-19873

9.8

CRITICAL · CVSS 3.1 · EPSS 3.4% (pctl 88)

In your normal cycle

Critical by CVSS (9.8), but no sign of active exploitation.

An issue was discovered in Qt before 5.11.3. QBmpHandler has a buffer overflow via BMP data.

CVSS	9.8 (CRITICAL, v3.1)
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
EPSS	3.38% — more likely to be exploited than 88% of all CVEs
Weakness	CWE-119
On CISA KEV	no
Public exploit	none known
Published	2018-12-26
Last modified	2026-06-17