DEBIAN-CVE-2026-79590

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    DEBIAN-CVE-2026-79590

    Published: 10 Sept 2026Last Modified: 11 Sept 2026
    Upstream:
    CVE-2026-79590

    Summary:

    Details: A NULL pointer dereference vulnerability exists in the Prism parser component of mruby 4.0.0. An attacker can provide a specially crafted Ruby source file that triggers the parser to pass a NULL pointer to nonnull string handling functions, resulting in undefined behavior and application crash.

    References: https://security-tracker.debian.org/tracker/CVE-2026-79590

    Affected packages

    Package

    Name: mruby

    Purl: pkg:deb/debian/mruby?arch=source&distro=bookworm

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    3.1.0-3

    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
    DEBIAN-CVE-2026-79590 | CVE-DB