CLEANSTART-2026-KN78951

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    CLEANSTART-2026-KN78951

    Published: 31 Oct 2026Last Modified: 31 Oct 2026
    Upstream:
    CVE-2023-4504

    Summary: Due to failure in validating the length provided by an attacker-crafted PPD PostScript document, CUPS and libppd are susceptible to a heap-based buffer overflow and possibly code execution

    Details: Security vulnerability affects the cups package. Due to failure in validating the length provided by an attacker-crafted PPD PostScript document, CUPS and libppd are susceptible to a heap-based buffer overflow and possibly code execution.

    References: https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2026/CLEANSTART-2026-KN78951.json, https://osv.dev/vulnerability/CVE-2023-4504, https://nvd.nist.gov/vuln/detail/CVE-2023-4504

    Affected packages

    Package

    Name: cups

    Purl: pkg:apk/cleanstart/cups

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -2.4.7-r0

    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
    CLEANSTART-2026-KN78951 | CVE-DB