CVE-2026-104064
Scribus before 1.6.7 and 1.7.x before 1.7.4 Heap Overflow via TIFF Tile Buffer Handling
Scribus before 1.6.7 and 1.7.x before 1.7.4 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.
Fixes and workarounds
Fix
The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.
Source: CNA: VulnCheckFix
The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.
Source: CNA: VulnCheckAffected products and versions
| Product | Versions | Authority |
|---|---|---|
| Scribus Scribus |
≥ 0; < 1.6.7 (affected, custom) ≥ 1.7.0; < 1.7.4 (affected, custom) Other versions: unaffected |
CNA: VulnCheck |
Version ranges are source assertions. Check the vendor advisory and your installed configuration before determining exposure.
CVSS assessments
| Version / score | Vector | Authority |
|---|---|---|
| 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 | CNA: 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 | CNA: VulnCheck |
Exploit evidence
No exploit evidence in collected sources. This is not proof of no exploitation.
References
- https://github.com/scribusproject/scribus/commit/b3e2be4e0f4063991c0b3af1c1447218ed33f0ccCNA: VulnCheck · patch
- https://github.com/scribusproject/scribus/commit/57ebf70d503eef7124fcfba0e6222ea4d80675d2CNA: VulnCheck · patch
- https://github.com/scribusproject/scribusCNA: VulnCheck · product
- https://wiki.scribus.net/canvas/1.6.7_ReleaseCNA: VulnCheck · release-notes
- https://www.vulncheck.com/advisories/scribus-before-1.6.7-heap-overflow-via-tiff-tile-buffer-handlingCNA: VulnCheck · third-party-advisory
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