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

  - Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Prior to
    5.4.52, 6.4.40, 7.4.12, and 8.0.12, Symfony\Component\Yaml\Parser resolved YAML collection aliases
    recursively, allowing a small untrusted YAML input to expand into a multi-gigabyte structure and exhaust
    memory. This issue is fixed in versions 5.4.52, 6.4.40, 7.4.12, and 8.0.12. (CVE-2026-45304)

The remote Debian 13 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-6312 advisory.

    - -------------------------------------------------------------------------     Debian Security Advisory DSA-6312-1                   security@debian.org     https://www.debian.org/security/                       Moritz Muehlenhoff     May 31, 2026                          https://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    Package        : symfony     CVE ID         : CVE-2024-50340 CVE-2026-45063 CVE-2026-45064 CVE-2026-45065                      CVE-2026-45066 CVE-2026-45067 CVE-2026-45068 CVE-2026-45069                      CVE-2026-45071 CVE-2026-45072 CVE-2026-45073 CVE-2026-45077                      CVE-2026-45133 CVE-2026-45304 CVE-2026-45305 CVE-2026-45754                      CVE-2026-46626 CVE-2026-48489 CVE-2026-48736 CVE-2026-48760                      CVE-2026-48761 CVE-2026-48784

    Multiple vulnerabilities have been found in the Symfony PHP framework     which could lead to a bypass of security controls, cross-site scripting,     denial of service, SQL injection, email header injection, information     disclosure or code execution via PHP object deserialization.

    For the stable distribution (trixie), these problems have been fixed in     version 6.4.41+dfsg-0+deb13u1.

    We recommend that you upgrade your symfony packages.

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

    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.

  - Symfony is a PHP framework for web and console applications and a set of reusable PHP components. Prior to     5.4.52, 6.4.40, 7.4.12, and 8.0.12, Symfony\Component\Yaml\Parser resolved YAML collection aliases     recursively, allowing a small untrusted YAML input to expand into a multi-gigabyte structure and exhaust     memory. This issue is fixed in versions 5.4.52, 6.4.40, 7.4.12, and 8.0.12. (CVE-2026-45304)

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

The remote Debian 12 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-6317 advisory.

    - -------------------------------------------------------------------------     Debian Security Advisory DSA-6317-1                   security@debian.org     https://www.debian.org/security/                       Moritz Muehlenhoff     June 01, 2026                         https://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    Package        : symfony     CVE ID         : CVE-2024-50340 CVE-2026-45063 CVE-2026-45065 CVE-2026-45067                      CVE-2026-45068 CVE-2026-45071 CVE-2026-45073 CVE-2026-45077                      CVE-2026-45133 CVE-2026-45304 CVE-2026-45305 CVE-2026-46626                      CVE-2026-48489 CVE-2026-48736 CVE-2026-48784

    Multiple vulnerabilities have been found in the Symfony PHP framework     which could lead to a bypass of security controls, cross-site scripting,     denial of service, SQL injection, email header injection, information     disclosure or code execution via PHP object deserialization.

    For the oldstable distribution (bookworm), these problems have been fixed     in version 5.4.53+dfsg-0+deb12u1.

    We recommend that you upgrade your symfony packages.

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

    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.

ID	Name	Product	Family	Published	Updated	Severity
442399	SCA: security update for symfony/symfony, symfony/yaml (GHSA-4qpc-3hr4-r2p4)	Tenable Cloud Security	SCA Checks	5/28/2026	7/16/2026	high
442399	SCA: security update for symfony/symfony, symfony/yaml (GHSA-4qpc-3hr4-r2p4)	Tenable Self-Hosted Container Security	SCA Checks	5/28/2026	7/16/2026	high
318121	Debian dsa-6312 : php-symfony - security update	Nessus	Debian Local Security Checks	6/1/2026	9/18/2026	critical
316014	Linux Distros Unpatched Vulnerability : CVE-2026-45304	Nessus	Misc.	5/21/2026	9/2/2026	high
318254	Debian dsa-6317 : php-symfony - security update	Nessus	Debian Local Security Checks	6/2/2026	9/18/2026	critical

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