CVE-2026-104064

Scribus before 1.6.7 Heap Overflow via TIFF Tile Buffer Handling

State: Published
Severity: 8.5 High
Published: Oct 30, 2026
Updated: Oct 30, 2026
Reserved: Oct 1, 2026

Description

Scribus before 1.6.7 contains an integer overflow vulnerability in the scimgdataloader_tiff TIFF loader that allows attackers to trigger a heap overflow via crafted tile dimensions. Attackers can supply a tiled TIFF with large tile width, height and sample values for a user to import, corrupting heap memory to crash Scribus or execute code.

Scores

CVSS	Score	Vector	Source
4.0	8.5 High	CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:P/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N	VulnCheck
3.1	7.8 High	CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H	VulnCheck

Weaknesses

CWE-190 Integer Overflow or Wraparound

Affected Products

Product	Versions
ScribusScribus	before 1.6.7Affected

References

Patch Commitpatch
https://github.com/scribusproject/scribusproduct
https://wiki.scribus.net/canvas/1.6.7_Releaserelease-notes
VulnCheck Advisory: Scribus before 1.6.7 Heap Overflow via TIFF Tile Buffer Handlingthird-party-advisory

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