There are packages installed that are affected by a vulnerability referenced in the following CVE:

  - Incus is a system container and virtual machine manager. In versions before 7.0.0, missing validation
    logic in the storage volume import logic allows an authenticated user with access to the storage volume
    feature to cause the Incus daemon to crash. The backup restore subsystem contains an out-of-bounds panic
    vulnerability caused by an invalid bounds check when indexing snapshot metadata arrays, and the same
    flawed pattern also appears in the migration path. When iterating through physical snapshots provided in a
    backup archive, the loop uses the index to look up corresponding metadata in the parsed `Config.Snapshots`
    and `Config.VolumeSnapshots` slices. The guard condition `len(slice) >= i-1` is incorrect because it can
    still evaluate to true when the subsequent slice[i] access is out of bounds. An attacker can submit a
    backup archive that contains physical snapshot directories while supplying a tampered `index.yaml` with an
    empty or truncated snapshot metadata array, causing the daemon to index beyond the end of the metadata
    slice and crash. Repeated use of this issue can be used to keep Incus offline, causing a denial of
    service. This issue is fixed in version 7.0.0. (CVE-2026-40251)

The remote Debian 12 / 13 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-6247 advisory.

    - -------------------------------------------------------------------------     Debian Security Advisory DSA-6247-1                   security@debian.org     https://www.debian.org/security/                       Moritz Muehlenhoff     May 04, 2026                          https://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    Package        : lxd     CVE ID         : CVE-2026-40197 CVE-2026-40251 CVE-2026-41648                      CVE-2026-41684 CVE-2026-41685

    Multiple security issues were discovered in LXD, a system container     and virtual machine manager, which could result in denial of service.

    For the oldstable distribution (bookworm), these problems have been fixed     in version 5.0.2-5+deb12u6.

    For the stable distribution (trixie), these problems have been fixed in     version 5.0.2+git20231211.1364ae4-9+deb13u6.

    We recommend that you upgrade your lxd packages.

    For the detailed security status of lxd please refer to     its security tracker page at:
    https://security-tracker.debian.org/tracker/lxd

    Further information about Debian Security Advisories, how to apply     these updates to your system and frequently asked questions can be     found at: https://www.debian.org/security/

    Mailing list: debian-security-announce@lists.debian.org

Tenable has extracted the preceding description block directly from the Debian security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The remote Debian 13 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-6244 advisory.

    - -------------------------------------------------------------------------     Debian Security Advisory DSA-6244-1                   security@debian.org     https://www.debian.org/security/                       Moritz Muehlenhoff     May 02, 2026                          https://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    Package        : incus     CVE ID         : CVE-2026-40195 CVE-2026-40197 CVE-2026-40243 CVE-2026-40251                      CVE-2026-41647 CVE-2026-41648 CVE-2026-41684 CVE-2026-41685

    Multiple security issues were discovered in Incus, a system container     and virtual machine manager, which could result in denial of service,

    For the stable distribution (trixie), these problems have been fixed in     version 6.0.4-2+deb13u7.

    We recommend that you upgrade your incus packages.

    For the detailed security status of incus please refer to     its security tracker page at:
    https://security-tracker.debian.org/tracker/incus

    Further information about Debian Security Advisories, how to apply     these updates to your system and frequently asked questions can be     found at: https://www.debian.org/security/

    Mailing list: debian-security-announce@lists.debian.org

Tenable has extracted the preceding description block directly from the Debian security advisory.

Note that Nessus has not tested for these issues but has instead relied only on the application's self-reported version number.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - Incus is a system container and virtual machine manager. In versions before 7.0.0, missing validation     logic in the storage volume import logic allows an authenticated user with access to the storage volume     feature to cause the Incus daemon to crash. The backup restore subsystem contains an out-of-bounds panic     vulnerability caused by an invalid bounds check when indexing snapshot metadata arrays, and the same     flawed pattern also appears in the migration path. When iterating through physical snapshots provided in a     backup archive, the loop uses the index to look up corresponding metadata in the parsed `Config.Snapshots`     and `Config.VolumeSnapshots` slices. The guard condition `len(slice) >= i-1` is incorrect because it can     still evaluate to true when the subsequent slice[i] access is out of bounds. An attacker can submit a     backup archive that contains physical snapshot directories while supplying a tampered `index.yaml` with an     empty or truncated snapshot metadata array, causing the daemon to index beyond the end of the metadata     slice and crash. Repeated use of this issue can be used to keep Incus offline, causing a denial of     service. This issue is fixed in version 7.0.0. (CVE-2026-40251)

Note that Nessus relies on the presence of the package as reported by the vendor.

ID	Name	Product	Family	Published	Updated	Severity
441056	SCA: security update for github.com/lxc/incus/v6/cmd/incusd (GHSA-4m88-wxj4-9qj6)	Tenable Cloud Security	SCA Checks	5/4/2026	7/6/2026	high
441056	SCA: security update for github.com/lxc/incus/v6/cmd/incusd (GHSA-4m88-wxj4-9qj6)	Tenable Self-Hosted Container Security	SCA Checks	5/4/2026	7/6/2026	high
312104	Debian dsa-6247 : golang-github-canonical-lxd-dev - security update	Nessus	Debian Local Security Checks	5/4/2026	5/8/2026	high
311800	Debian dsa-6244 : golang-github-lxc-incus-dev - security update	Nessus	Debian Local Security Checks	5/2/2026	5/12/2026	high
311671	Linux Distros Unpatched Vulnerability : CVE-2026-40251	Nessus	Misc.	5/2/2026	7/31/2026	high

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