CVE-2026-104066 Scribus - Buffer Overflow

Scribus < 1.6.7 contains a heap buffer overflow caused by improper unpacking of 4-bit indexed pixel data in the Mac PICT image loader and import plugin, letting attackers execute code or cause crashes via crafted PICT files, exploit requires user to place or import crafted files.

CVSS base score 7.8 /10
High
CISA KEV
Not listed
Public exploit
None known
Authentication
Not required
EPSS
0.21% chance of exploitation in 30 days
View the NVD record ↗

Details

Type
Buffer Overflow
Impact
Remote Code Execution, Denial Of Service
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Published
30 October 2026
Updated
1 November 2026
Weakness
CWE-787

Vendor fix

Upgrade to version 1.6.7 or later.

Patching closes this CVE. It does not tell you which of your systems run the affected version, or what else is exposed alongside them.

References

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