JSON::XS before version 4.04 for Perl has an integer buffer overflow causing a segfault when parsing crafted JSON, enabling denial-of-service attacks or other unspecified impact

The remote AlmaLinux 9 host has a package installed that is affected by a vulnerability as referenced in the ALSA-2025:17162 advisory.

    * JSON-XS: integer buffer overflow causing a segfault when parsing crafted JSON (CVE-2025-40928)

Tenable has extracted the preceding description block directly from the AlmaLinux 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 AlmaLinux 8 host has a package installed that is affected by a vulnerability as referenced in the ALSA-2025:17163 advisory.

    * JSON-XS: integer buffer overflow causing a segfault when parsing crafted JSON (CVE-2025-40928)

Tenable has extracted the preceding description block directly from the AlmaLinux 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 Alibaba Cloud Linux 3 host has packages installed that are affected by a vulnerability as referenced in the ALINUX3-SA-2025:0158 advisory.

    Package updates are available for Alibaba Cloud Linux 3 that fix the following vulnerabilities:

    CVE-2025-40928:
    JSON::XS before version 4.04 for Perl has an integer buffer overflow causing a segfault when parsing     crafted JSON, enabling denial-of-service attacks or other unspecified impact

Tenable has extracted the preceding description block directly from the Alibaba Cloud 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 RockyLinux 9 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2025:17162 advisory.

    * JSON-XS: integer buffer overflow causing a segfault when parsing crafted JSON (CVE-2025-40928)

Tenable has extracted the preceding description block directly from the RockyLinux 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 AlmaLinux 10 host has a package installed that is affected by a vulnerability as referenced in the ALSA-2025:17119 advisory.

    * JSON-XS: integer buffer overflow causing a segfault when parsing crafted JSON (CVE-2025-40928)

Tenable has extracted the preceding description block directly from the AlmaLinux 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 RockyLinux 10 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2025:17119 advisory.

    * JSON-XS: integer buffer overflow causing a segfault when parsing crafted JSON (CVE-2025-40928)

Tenable has extracted the preceding description block directly from the RockyLinux 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-2025:17430 advisory.

    This module converts Perl data structures to JSON and vice versa. Its primary goal is to be correct and     its secondary goal is to be fast. To reach the latter goal it was written in C.

    Security Fix(es):

    * JSON-XS: integer buffer overflow causing a segfault when parsing crafted JSON (CVE-2025-40928)

    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 RockyLinux 8 host has packages installed that are affected by a vulnerability as referenced in the RLSA-2025:17163 advisory.

    * JSON-XS: integer buffer overflow causing a segfault when parsing crafted JSON (CVE-2025-40928)

Tenable has extracted the preceding description block directly from the RockyLinux 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 8 host has a package installed that is affected by a vulnerability as referenced in the ELSA-2025-17163 advisory.

    - Resolves: RHEL-113630 - Fix CVE-2025-40928

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 Oracle Linux 9 host has a package installed that is affected by a vulnerability as referenced in the ELSA-2025-17162 advisory.

    [1:4.04-1]
    - Update to 4.04
    - Fix CVE-2025-40928

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-2025:17162 advisory.

    This module converts Perl data structures to JSON and vice versa. Its primary goal is to be correct and     its secondary goal is to be fast. To reach the latter goal it was written in C.

    Security Fix(es):

    * JSON-XS: integer buffer overflow causing a segfault when parsing crafted JSON (CVE-2025-40928)

    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 8 host has a package installed that is affected by a vulnerability as referenced in the RHSA-2025:17163 advisory.

    This module converts Perl data structures to JSON and vice versa. Its primary goal is to be correct and     its secondary goal is to be fast. To reach the latter goal it was written in C.

    Security Fix(es):

    * JSON-XS: integer buffer overflow causing a segfault when parsing crafted JSON (CVE-2025-40928)

    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 Debian 11 host has a package installed that is affected by a vulnerability as referenced in the dla-4317 advisory.

    - -------------------------------------------------------------------------     Debian LTS Advisory DLA-4317-1                debian-lts@lists.debian.org     https://www.debian.org/lts/security/                      Paride Legovini     September 30, 2025                            https://wiki.debian.org/LTS
    - -------------------------------------------------------------------------

    Package        : libjson-xs-perl     Version        : 4.030-1+deb11u1     CVE ID         : CVE-2025-40928

    A vulnerability has been fixed in libjson-xs-perl, a Perl module which     does C/XS-accelerated manipulation of JSON-formatted data.

    CVE-2025-40928

        Integer buffer overflow causing a segfault when parsing crafted JSON,         enabling denial-of-service attacks or other unspecified impact

    For Debian 11 bullseye, this problem has been fixed in version     4.030-1+deb11u1.

    We recommend that you upgrade your libjson-xs-perl packages.

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

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

Tenable has extracted the preceding description block directly from the Debian 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-2025:17119 advisory.

    This module converts Perl data structures to JSON and vice versa. Its primary goal is to be correct and     its secondary goal is to be fast. To reach the latter goal it was written in C.

    Security Fix(es):

    * JSON-XS: integer buffer overflow causing a segfault when parsing crafted JSON (CVE-2025-40928)

    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 Oracle Linux 10 host has a package installed that is affected by a vulnerability as referenced in the ELSA-2025-17119 advisory.

    [1:4.04-1]
    - Update to 4.04
    - Resolves: RHEL-113624 - Fix CVE-2025-40928

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-JSON-XS installed on the remote host is prior to 3.01-2. It is, therefore, affected by a vulnerability as referenced in the ALAS2-2025-3005 advisory.

    JSON::XS before version 4.04 for Perl has an integer buffer overflow causing a segfault when parsing     crafted JSON, enabling denial-of-service attacks or other unspecified impact (CVE-2025-40928)

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.

It is, therefore, affected by a vulnerability as referenced in the ALAS2023-2025-1200 advisory.

    JSON::XS before version 4.04 for Perl has an integer buffer overflow causing a segfault when parsing     crafted JSON, enabling denial-of-service attacks or other unspecified impact (CVE-2025-40928)

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 Fedora 41 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2025-86573bd5d5 advisory.

    This update updates perl-JSON-XS 4.04. This version fixes heap overflow causing crashes, possibly     information disclosure or worse (CVE-2025-40928) and causes JSON::XS to accept invalid JSON texts as valid     in some cases.


Tenable has extracted the preceding description block directly from the Fedora 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 a vulnerability as referenced in the FEDORA-2025-53273e282c advisory.

    This update updates perl-JSON-XS 4.04. This version fixes heap overflow causing crashes, possibly     information disclosure or worse (CVE-2025-40928) and causes JSON::XS to accept invalid JSON texts as valid     in some cases.


Tenable has extracted the preceding description block directly from the Fedora 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 Ubuntu 22.04 LTS / 24.04 LTS / 25.04 host has a package installed that is affected by a vulnerability as referenced in the USN-7750-1 advisory.

    It was discovered that JSON-XS incorrectly handled parsing certain JSON data. An attacker could possibly     use this issue to cause JSON-XS to crash, resulting in a denial of service.

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.

The remote Fedora 43 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2025-8b24ea25bb advisory.

    This update updates perl-JSON-XS 4.04. This version fixes heap overflow causing crashes, possibly     information disclosure or worse (CVE-2025-40928) and causes JSON::XS to accept invalid JSON texts as valid     in some cases.

Tenable has extracted the preceding description block directly from the Fedora 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 Debian 12 / 13 host has a package installed that is affected by a vulnerability as referenced in the dsa-5999 advisory.

    - -------------------------------------------------------------------------     Debian Security Advisory DSA-5999-1                   security@debian.org     https://www.debian.org/security/                     Salvatore Bonaccorso     September 11, 2025                    https://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    Package        : libjson-xs-perl     CVE ID         : CVE-2025-40928

    Michael Hudak discovered a flaw in libjson-xs-perl, a module for     manipulating JSON-formatted data. An integer buffer overflow causing a     segfault when parsing specially crafted JSON, may allow an attacker to     mount a denial-of-service attack or cause other unspecified impact.

    For the oldstable distribution (bookworm), this problem has been fixed     in version 4.040-1~deb12u1.

    For the stable distribution (trixie), this problem has been fixed in     version 4.040-1~deb13u1.

    We recommend that you upgrade your libjson-xs-perl packages.

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

    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 this issue 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.

  - JSON::XS before version 4.04 for Perl has an integer buffer overflow causing a segfault when parsing     crafted JSON, enabling denial-of-service attacks or other unspecified impact (CVE-2025-40928)

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

ID	Name	Product	Family	Severity
270815	AlmaLinux 9 : perl-JSON-XS (ALSA-2025:17162)	Nessus	Alma Linux Local Security Checks	high
270812	AlmaLinux 8 : perl-JSON-XS (ALSA-2025:17163)	Nessus	Alma Linux Local Security Checks	high
270632	Alibaba Cloud Linux 3 : 0158: perl-JSON-XS (ALINUX3-SA-2025:0158)	Nessus	Alibaba Cloud Linux Local Security Checks	high
269933	RockyLinux 9 : perl-JSON-XS (RLSA-2025:17162)	Nessus	Rocky Linux Local Security Checks	high
269815	AlmaLinux 10 : perl-JSON-XS (ALSA-2025:17119)	Nessus	Alma Linux Local Security Checks	high
269235	RockyLinux 10 : perl-JSON-XS (RLSA-2025:17119)	Nessus	Rocky Linux Local Security Checks	high
269226	RHEL 9 : perl-JSON-XS (RHSA-2025:17430)	Nessus	Red Hat Local Security Checks	high
266632	RockyLinux 8 : perl-JSON-XS (RLSA-2025:17163)	Nessus	Rocky Linux Local Security Checks	high
266408	Oracle Linux 8 : perl-JSON-XS (ELSA-2025-17163)	Nessus	Oracle Linux Local Security Checks	high
266390	Oracle Linux 9 : perl-JSON-XS (ELSA-2025-17162)	Nessus	Oracle Linux Local Security Checks	high
266381	RHEL 9 : perl-JSON-XS (RHSA-2025:17162)	Nessus	Red Hat Local Security Checks	high
266361	RHEL 8 : perl-JSON-XS (RHSA-2025:17163)	Nessus	Red Hat Local Security Checks	high
266336	Debian dla-4317 : libjson-xs-perl - security update	Nessus	Debian Local Security Checks	high
266330	RHEL 10 : perl-JSON-XS (RHSA-2025:17119)	Nessus	Red Hat Local Security Checks	high
266321	Oracle Linux 10 : perl-JSON-XS (ELSA-2025-17119)	Nessus	Oracle Linux Local Security Checks	high
266174	Amazon Linux 2 : perl-JSON-XS, --advisory ALAS2-2025-3005 (ALAS-2025-3005)	Nessus	Amazon Linux Local Security Checks	high
266171	Amazon Linux 2023 : perl-JSON-XS, perl-JSON-XS-tests (ALAS2023-2025-1200)	Nessus	Amazon Linux Local Security Checks	high
265312	Fedora 41 : perl-JSON-XS (2025-86573bd5d5)	Nessus	Fedora Local Security Checks	high
265311	Fedora 42 : perl-JSON-XS (2025-53273e282c)	Nessus	Fedora Local Security Checks	high
265087	Ubuntu 22.04 LTS / 24.04 LTS / 25.04 : JSON-XS vulnerability (USN-7750-1)	Nessus	Ubuntu Local Security Checks	high
265086	Fedora 43 : perl-JSON-XS (2025-8b24ea25bb)	Nessus	Fedora Local Security Checks	high
264573	Debian dsa-5999 : libjson-xs-perl - security update	Nessus	Debian Local Security Checks	high
264365	Linux Distros Unpatched Vulnerability : CVE-2025-40928	Nessus	Misc.	high

Detections

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CVE-2025-40928

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