CVE-2026-56378

Summary

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 service and potential disclosure of an adjacent heap byte.

Impact & exploitability

CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:N

Affected products we track (1)

Recommendation

Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.

Additional information

• NVD record
• https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-wgxp-q8xq-wpp9Advisory
• https://www.vulncheck.com/advisories/imagemagick-heap-out-of-bounds-read-in-pcd-decoderAdvisory