What is CVE-2026-104063?

CVE-2026-104063 is a medium-severity vulnerability, classified under Out-of-bounds Read. CVSS score: 6.1/10. Published 2026-10-30.

How severe is CVE-2026-104063?

Medium severity. CVSS v3 base score is 6.1 out of 10.

CVE-2026-104063

CVE-2026-104063

Scribus before 1.6.7 contains an out-of-bounds read vulnerability in the Mac PICT image loader and import plugin when decoding planar pixel data. Attackers can supply a crafted PICT file with manipulated dimensions that, when placed or imported, causes heap over-reads leading to crashes or heap memory disclosure.

Vulnerability class: Buffer Overflow

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

CVSS v3 metric

CVSS v3 base score 6.1 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/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-125 — Out-of-bounds Read

References

github.com/scribusproject/scribus/commit/d667b3b1d38e1808721315dc976d67b72070f6… (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-out-of-bounds-read-via-pict-p… (third-party-advisory)

Frequently asked questions

What is CVE-2026-104063?: CVE-2026-104063 is a medium-severity vulnerability, classified under Out-of-bounds Read. CVSS score: 6.1/10. Published 2026-10-30.
How severe is CVE-2026-104063?: Medium severity. CVSS v3 base score is 6.1 out of 10.