CVE-2026-56378
highImageMagick 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.
Vendor / product: Imagemagick — imagemagick
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.
CVSS
8.2
8.2 (CVSS v3.1)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H Severity source: NVD CVSS v3.1 (nvd@nist.gov)
Timeline (UTC)
Published: 2026-06-21 14:16
Modified: 2026-10-29 21:17
NVD status: Analyzed
Last synced 9 hours ago
Verified against the source API 2026-10-29 21:28 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
imagemagick / imagemagick ≥6.9.0-0 <6.9.13-40, ≥7.1.2-0 <7.1.2-15
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://github.com/ImageMagick/ImageMagick/security/advisories/GHSA-wgxp-q8xq-wpp9 disclosure@vulncheck.com
- https://www.vulncheck.com/advisories/imagemagick-heap-out-of-bounds-read-in-pcd-decoder disclosure@vulncheck.com
Data sources
NVD CVE API 2.0 — fetched 2026-10-29 21:28 UTC · record ↗