Unrated severityNVD Advisory· Published Jun 21, 2026
ImageMagick - Heap Out-of-Bounds Read in PCD Decoder
CVE-2026-56378
Description
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
2>=6.x <6.9.13-40 || >=7.x <7.1.2-15+ 1 more
- (no CPE)range: >=6.x <6.9.13-40 || >=7.x <7.1.2-15
- (no CPE)range: <6.9.13-40, <7.1.2-15
Patches
Vulnerability mechanics
References
2- github.com/ImageMagick/ImageMagick/security/advisories/GHSA-wgxp-q8xq-wpp9mitrevendor-advisory
- www.vulncheck.com/advisories/imagemagick-heap-out-of-bounds-read-in-pcd-decodermitrethird-party-advisory
News mentions
1- ImageMagick: Five CVEs Disclosed Across SVG, PCD, PSB, and TXT DecodersVypr Intelligence · Jun 23, 2026