DEBIAN-CVE-2026-88265

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    DEBIAN-CVE-2026-88265

    Published: 10 Sept 2026Last Modified: 11 Sept 2026
    Upstream:
    CVE-2026-88265

    Summary:

    Details: A flaw was found in crun. After pivot_root, reopening /dev/null for stdio can follow a symlink and attach a host file to container stdio, then change that file's ownership. Affected versions are crun 1.29.1 and earlier. Default configurations that mount a fresh /dev are not exposed. No fixed release is available yet.

    References: https://security-tracker.debian.org/tracker/CVE-2026-88265

    Affected packages

    Package

    Name: crun

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

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -None

    Affected versions

    1.10-1

    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-2026-88265 | CVE-DB