DEBIAN-CVE-2026-85498

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    DEBIAN-CVE-2026-85498

    Published: 29 Oct 2026Last Modified: 7 Nov 2026
    Upstream:
    CVE-2026-85498

    Summary:

    Details: A flaw was found in polkit. When processing input that begins with a null byte, an arithmetic error in the authentication agent helper causes an integer underflow during buffer length calculation, resulting in an out-of-bounds memory read. An attacker capable of supplying crafted input can trigger this flaw, potentially causing an application crash and resulting in a Denial of Service (DoS).

    References: https://security-tracker.debian.org/tracker/CVE-2026-85498

    Affected packages

    Package

    Name: policykit-1

    Purl: pkg:deb/debian/policykit-1?arch=source&distro=forky

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -128-1

    Affected versions

    126-2

    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-2026-85498 | CVE-DB