RLSA-2026:95272

    Dashboard / Vulnerabilities / RLSA-2026:95272

    RLSA-2026:95272

    Published: 6 Nov 2026Last Modified: 6 Nov 2026
    Upstream:
    CVE-2026-84445

    Summary: Important: osbuild-composer security update

    Details: A service for building customized OS artifacts, such as VM images and OSTree commits, that uses osbuild under the hood. Besides building images for local usage, it can also upload images directly to cloud. It is compatible with composer-cli and cockpit-composer clients. Security Fix(es): * google.golang.org/grpc: gRPC-Go: Denial of Service via malformed RPC requests (CVE-2026-84445) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

    References: https://errata.rockylinux.org/RLSA-2026:95272, https://bugzilla.redhat.com/show_bug.cgi?id=2533175, https://access.redhat.com/errata/RHSA-2026:95272

    Affected packages

    Package

    Name: osbuild-composer

    Purl: pkg:rpm/rocky-linux/osbuild-composer?distro=rocky-linux-9&epoch=0

    Affected ranges

    Type: ECOSYSTEM

    Events:

    Introduced- 0
    Fixed -0:165.1-5.el9_8.1.rocky.0.1

    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
    RLSA-2026:95272 | CVE-DB