Vulnerability · Published Oct 30, 2026 · Assigned by VulnCheck

CVE-2026-104063Scribus before 1.6.7 and 1.7.x before 1.7.4 Out-of-Bounds Read via PICT Planar Image Data

Medium 6.1

In plain English

A medium-severity out-of-bounds read in Scribus from Scribus. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 7% of all known vulnerabilities).

Severity (CVSS 3.1)6.1Medium
Exploit odds (30 days)0.2%top 93.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

Scribus before 1.6.7 and 1.7.x before 1.7.4 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.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Debian:12scribusno fix listedDEBIAN-CVE-2026-104063
Debian:13scribusno fix listedDEBIAN-CVE-2026-104063
Debian:14scribusno fix listedDEBIAN-CVE-2026-104063
Ubuntu:22.04:LTSscribusno fix listedUBUNTU-CVE-2026-104063
Ubuntu:24.04:LTSscribusno fix listedUBUNTU-CVE-2026-104063
Ubuntu:26.04:LTSscribusno fix listedUBUNTU-CVE-2026-104063
Ubuntu:26.10scribusno fix listedUBUNTU-CVE-2026-104063

Affected products (as reported)

VendorProductVersions
Scribus Scribus 0 – before 1.6.71.7.0 – before 1.7.4

Weakness: CWE-125 · Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:H

References