High severity7.8NVD Advisory· Published Oct 30, 2026

CVE-2026-104066

Description

Scribus before 1.6.7 contains a heap buffer overflow vulnerability in the Mac PICT image loader and import plugin when unpacking 4-bit indexed pixel data. Attackers can supply a crafted PICT file with inconsistent width and row data that, when placed or imported, writes out of bounds, causing crashes or code execution.

Patches

Vulnerability mechanics

References

github.com/scribusproject/scribus/commit/d667b3b1d38e1808721315dc976d67b72070f6b4nvd
wiki.scribus.net/canvas/1.6.7_Releasenvd
www.vulncheck.com/advisories/scribus-before-1.6.7-heap-buffer-overflow-via-pict-4-bit-pixel-unpackingnvd

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