$ cve CVE-2017-13139 JSON

CVE-2017-13139

9.8

CRITICAL · CVSS 3.1 · EPSS 3.8% (pctl 90)

In your normal cycle

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

In ImageMagick before 6.9.9-0 and 7.x before 7.0.6-1, the ReadOneMNGImage function in coders/png.c has an out-of-bounds read with the MNG CLIP chunk.

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	3.82% — more likely to be exploited than 90% of all CVEs
Weakness	CWE-125
On CISA KEV	no
Public exploit	none known
Published	2017-08-23
Last modified	2026-06-17