What is CVE-2026-104064?

CVE-2026-104064 is a high-severity vulnerability, classified under Integer Overflow or Wraparound. CVSS score: 7.8/10. Published 2026-10-30.

How severe is CVE-2026-104064?

High severity. CVSS v3 base score is 7.8 out of 10.

CVE-2026-104064

CVE-2026-104064

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.

Vulnerability class: Integer Overflow

Published 2026-10-30 · last modified 2026-10-30.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

EPSS exploit prediction

No EPSS score from FIRST.org yet. New CVEs usually get one within a few days; no score means no signal yet, not low risk. How EPSS works.

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

References

github.com/scribusproject/scribus/commit/b3e2be4e0f4063991c0b3af1c1447218ed33f0… (patch)
github.com/scribusproject/scribus (product)
wiki.scribus.net/canvas/1.6.7_Release (release-notes)
www.vulncheck.com/advisories/scribus-before-1.6.7-heap-overflow-via-tiff-tile-b… (third-party-advisory)

Frequently asked questions

What is CVE-2026-104064?: CVE-2026-104064 is a high-severity vulnerability, classified under Integer Overflow or Wraparound. CVSS score: 7.8/10. Published 2026-10-30.
How severe is CVE-2026-104064?: High severity. CVSS v3 base score is 7.8 out of 10.