CVE-2026-104066

    Dashboard / Vulnerabilities / CVE-2026-104066

    CVE-2026-104066

    Published: 30 Oct 2026Last Modified: 6 Nov 2026

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

    Details: 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.

    References: https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/104xxx/CVE-2026-104066.json, https://nvd.nist.gov/vuln/detail/CVE-2026-104066, https://wiki.scribus.net/canvas/1.6.7_Release, https://www.vulncheck.com/advisories/scribus-before-1.6.7-heap-buffer-overflow-via-pict-4-bit-pixel-unpacking, https://github.com/scribusproject/scribus/commit/544a179241362eb254cb69a5cc68ef24388b265f, https://github.com/scribusproject/scribus/commit/d667b3b1d38e1808721315dc976d67b72070f6b4, https://github.com/scribusproject/scribus

    Affected packages

    Package

    Name:

    Purl:

    Affected ranges

    Type: GIT

    Events:

    Introduced- 0
    Fixed -d667b3b1d38e1808721315dc976d67b72070f6b4

    Affected versions

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High
    CVE-2026-104066 | CVE-DB