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    4 vulnerabilities found for bubblewrap by containers

    CVE-2026-41163 (GCVE-0-2026-41163)

    Vulnerability from nvd – Published: 2026-05-09 03:56 – Updated: 2026-06-30 12:08
    VLAI
    Title
    bubblewrap vulnerable to privilege escalation in setuid mode via ptrace
    Summary
    bubblewrap is a low-level unprivileged sandboxing tool. From version 0.11.0 to before version 0.11.2, if bubblewrap is installed in setuid mode then the user can use ptrace to attach to bubblewrap and control the unprivileged part of the sandbox setup phase. This allows the attacker to arbitrarily use the privileged operations, and in particular the "overlay mount" operation, allowing the creation of overlay mounts which is otherwise not allowed in the setuid version of bubblewrap. This issue has been patched in version 0.11.2.
    Severity
    8.7 (High)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
    7 (High)
    CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-269 - Improper Privilege Management
    Assigner
    References
    Impacted products
    Show details on NVD website
    To clipboard 

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    CVE-2020-5291 (GCVE-0-2020-5291)

    Vulnerability from nvd – Published: 2020-03-31 18:00 – Updated: 2024-08-04 08:22
    VLAI
    Title
    Privilege escalation in setuid mode via user namespaces in Bubblewrap
    Summary
    Bubblewrap (bwrap) before version 0.4.1, if installed in setuid mode and the kernel supports unprivileged user namespaces, then the `bwrap --userns2` option can be used to make the setuid process keep running as root while being traceable. This can in turn be used to gain root permissions. Note that this only affects the combination of bubblewrap in setuid mode (which is typically used when unprivileged user namespaces are not supported) and the support of unprivileged user namespaces. Known to be affected are: * Debian testing/unstable, if unprivileged user namespaces enabled (not default) * Debian buster-backports, if unprivileged user namespaces enabled (not default) * Arch if using `linux-hardened`, if unprivileged user namespaces enabled (not default) * Centos 7 flatpak COPR, if unprivileged user namespaces enabled (not default) This has been fixed in the 0.4.1 release, and all affected users should update.
    Severity
    7.2 (High)
    CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N
    CWE
    • CWE-648 - Incorrect Use of Privileged APIs
    Assigner
    References
    Impacted products
    Vendor Product Version
    containers bubblewrap Affected: < 0.4.1
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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    CVE-2026-41163 (GCVE-0-2026-41163)

    Vulnerability from cvelistv5 – Published: 2026-05-09 03:56 – Updated: 2026-06-30 12:08
    VLAI
    Title
    bubblewrap vulnerable to privilege escalation in setuid mode via ptrace
    Summary
    bubblewrap is a low-level unprivileged sandboxing tool. From version 0.11.0 to before version 0.11.2, if bubblewrap is installed in setuid mode then the user can use ptrace to attach to bubblewrap and control the unprivileged part of the sandbox setup phase. This allows the attacker to arbitrarily use the privileged operations, and in particular the "overlay mount" operation, allowing the creation of overlay mounts which is otherwise not allowed in the setuid version of bubblewrap. This issue has been patched in version 0.11.2.
    Severity
    8.7 (High)
    CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N
    7 (High)
    CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
    SSVC
    Exploitation: none Automatable: yes Technical Impact: partial
    CISA Coordinator (v2.0.3)
    CWE
    • CWE-269 - Improper Privilege Management
    Assigner
    References
    Impacted products
    Show details on NVD website
    To clipboard 

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    CVE-2020-5291 (GCVE-0-2020-5291)

    Vulnerability from cvelistv5 – Published: 2020-03-31 18:00 – Updated: 2024-08-04 08:22
    VLAI
    Title
    Privilege escalation in setuid mode via user namespaces in Bubblewrap
    Summary
    Bubblewrap (bwrap) before version 0.4.1, if installed in setuid mode and the kernel supports unprivileged user namespaces, then the `bwrap --userns2` option can be used to make the setuid process keep running as root while being traceable. This can in turn be used to gain root permissions. Note that this only affects the combination of bubblewrap in setuid mode (which is typically used when unprivileged user namespaces are not supported) and the support of unprivileged user namespaces. Known to be affected are: * Debian testing/unstable, if unprivileged user namespaces enabled (not default) * Debian buster-backports, if unprivileged user namespaces enabled (not default) * Arch if using `linux-hardened`, if unprivileged user namespaces enabled (not default) * Centos 7 flatpak COPR, if unprivileged user namespaces enabled (not default) This has been fixed in the 0.4.1 release, and all affected users should update.
    Severity
    7.2 (High)
    CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:H/I:H/A:N
    CWE
    • CWE-648 - Incorrect Use of Privileged APIs
    Assigner
    References
    Impacted products
    Vendor Product Version
    containers bubblewrap Affected: < 0.4.1
    		Create a notification for this product.
    Show details on NVD website
    To clipboard 

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