Out-of-bounds Read in Imagemagick

CVE-2026-56378

ImageMagick before 7.1.2-15 (and 6.x before 6.9.13-40) contains a heap out-of-bounds read in the PCD coder's DecodeImage loop. A crafted PCD file can trigger a one-byte heap out-of-bounds read during image decoding, resulting in denial of…

Vulnerability class: Buffer Overflow

CVSS v3 metric

CVSS v3 base score 3.7 (Low). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-56378?
CVE-2026-56378 is a low-severity vulnerability in Imagemagick, classified under Out-of-bounds Read. CVSS score: 3.7/10. Published 2026-06-21.
How severe is CVE-2026-56378?
Low severity. CVSS v3 base score is 3.7 out of 10.