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CVE-2026-104066

Scribus before 1.6.7 and 1.7.x before 1.7.4 Heap Buffer Overflow via PICT 4-bit Pixel Unpacking

CVSS 4.0 8.5 HIGHCVSS 3.1 7.8 HIGHCheck source for fixed versionsKEV status unknown

Original advisory

cve-program · CVE-2026-104066

Published

Scribus before 1.6.7 and 1.7.x before 1.7.4 contains a heap buffer overflow vulnerability in the Mac PICT image loader and import plugin when unpacking 4-bit indexed pixel data. Attackers can supply a crafted PICT file with inconsistent width and row data that, when placed or imported, writes out of bounds, causing crashes or code execution.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-104066

Published

Scribus

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Scribus",
                    "product": "Scribus",
                    "defaultStatus": "unaffected",
                    "versions": [
                        {
                            "version": "0",
                            "lessThan": "1.6.7",
                            "status": "affected",
                            "versionType": "custom"
                        },
                        {
                            "version": "1.7.0",
                            "lessThan": "1.7.4",
                            "status": "affected",
                            "versionType": "custom"
                        }
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON