FCGI versions 0.44 through 0.82, for Perl, include a vulnerable version of the FastCGI fcgi2 (aka fcgi) library. The included FastCGI library is affected by CVE-2025-23016, causing an integer overflow (and resultant heap-based buffer overflow) via crafted nameLen or valueLen values in data to the IPC socket. This occurs in ReadParams in fcgiapp.c.

redhat RHSA-2025:8890: RHSA-2025:8890: perl-FCGI:0.78 security update (Important)

redhat RHSA-2025:8829: RHSA-2025:8829: perl-FCGI security update (Important)

redhat RHSA-2025:8678: RHSA-2025:8678: perl-FCGI security update (Important)

redhat RHSA-2025:8677: RHSA-2025:8677: perl-FCGI security update (Important)

redhat RHSA-2025:8696: RHSA-2025:8696: perl-FCGI:0.78 security update (Important)

redhat RHSA-2025:8697: RHSA-2025:8697: perl-FCGI security update (Important)

redhat RHSA-2025:8703: RHSA-2025:8703: perl-FCGI:0.78 security update (Important)

redhat RHSA-2025:8698: RHSA-2025:8698: perl-FCGI:0.78 security update (Important)

The remote Oracle Linux 8 host has a package installed that is affected by a vulnerability as referenced in the ELSA-2025-8696 advisory.

    - Fix CVE-2025-40907 (integer overflow when parsing FastCGI parameters)

    perl-FCGI
    - Fix CVE-2025-40907 (integer overflow when parsing FastCGI parameters)

    perl-FCGI
    - Fix CVE-2025-40907 (integer overflow when parsing FastCGI parameters)

    perl-FCGI
    - Fix CVE-2025-40907 (integer overflow when parsing FastCGI parameters)

    perl-FCGI
    - Fix CVE-2025-40907 (integer overflow when parsing FastCGI parameters)

    perl-FCGI

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

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

The version of perl-FCGI installed on the remote host is prior to 0.74-8. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2025-2880 advisory.

    FCGI versions 0.44 through 0.82, for Perl, include a vulnerable version of the FastCGI fcgi2 (aka fcgi)     library.

    The included FastCGI library is affected by  CVE-2025-23016, causing an integer overflow (and resultant     heap-based buffer overflow) via crafted nameLen or valueLen values in data to the IPC socket. This occurs     in ReadParams in fcgiapp.c. (CVE-2025-40907)

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

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

The remote Oracle Linux 9 host has a package installed that is affected by a vulnerability as referenced in the ELSA-2025-8635 advisory.

    [1:0.79-8.1]
    - Fix CVE-2025-40907 (integer overflow when parsing FastCGI parameters)

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

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

The remote Redhat Enterprise Linux 9 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2025:8635 advisory.

    FastCGI Perl bindings.

    Security Fix(es):

    * perl-fcgi: FCGI versions 0.44 through 0.82, for Perl, include a vulnerable version of the FastCGI fcgi2     (aka fcgi) library (CVE-2025-40907)

    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.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

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

The remote Redhat Enterprise Linux 10 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2025:8636 advisory.

    FastCGI Perl bindings.

    Security Fix(es):

    * perl-fcgi: FCGI versions 0.44 through 0.82, for Perl, include a vulnerable version of the FastCGI fcgi2     (aka fcgi) library (CVE-2025-40907)

    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.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

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

The remote Redhat Enterprise Linux 7 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2025:8625 advisory.

    FastCGI Perl bindings.

    Security Fix(es):

    * perl-fcgi: FCGI versions 0.44 through 0.82, for Perl, include a vulnerable version of the FastCGI fcgi2     (aka fcgi) library (CVE-2025-40907)

    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.

Tenable has extracted the preceding description block directly from the Red Hat Enterprise Linux security advisory.

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

The remote Fedora 42 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2025-0692dfc833 advisory.

    This release fixes an integer and heap buffer overflow when processing a user FastCGI request.

Tenable has extracted the preceding description block directly from the Fedora 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 Fedora 41 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2025-2a4df5f325 advisory.

    This release fixes an integer and heap buffer overflow when processing a user FastCGI request.

Tenable has extracted the preceding description block directly from the Fedora 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 Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS host has a package installed that is affected by a vulnerability as referenced in the USN-7527-1 advisory.

    It was discovered that libfcgi-perl incorrectly handled certain inputs. An attacker could possibly use     this issue to cause a crash or execute arbitrary code.

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

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

ID	Name	Product	Family	Severity
238416	Oracle Linux 8 : perl-FCGI:0.78 (ELSA-2025-8696)	Nessus	Oracle Linux Local Security Checks	medium
238354	Amazon Linux 2 : perl-FCGI (ALAS-2025-2880)	Nessus	Amazon Linux Local Security Checks	medium
238033	Oracle Linux 9 : perl-FCGI (ELSA-2025-8635)	Nessus	Oracle Linux Local Security Checks	medium
237968	RHEL 9 : perl-FCGI (RHSA-2025:8635)	Nessus	Red Hat Local Security Checks	medium
237960	RHEL 10 : perl-FCGI (RHSA-2025:8636)	Nessus	Red Hat Local Security Checks	medium
237957	RHEL 7 : perl-FCGI (RHSA-2025:8625)	Nessus	Red Hat Local Security Checks	medium
237881	Fedora 42 : perl-FCGI (2025-0692dfc833)	Nessus	Fedora Local Security Checks	medium
237879	Fedora 41 : perl-FCGI (2025-2a4df5f325)	Nessus	Fedora Local Security Checks	medium
237111	Ubuntu 16.04 LTS / 18.04 LTS / 20.04 LTS : libfcgi-perl vulnerability (USN-7527-1)	Nessus	Ubuntu Local Security Checks	medium

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