According to the versions of the emacs package installed, the EulerOS installation on the remote host is affected by the following vulnerabilities :

    A flaw was found in GNU Emacs. This vulnerability, a memory corruption issue, occurs when Emacs processes     specially crafted SVG (Scalable Vector Graphics) CSS (Cascading Style Sheets) data. A local user could     exploit this by convincing a victim to open a malicious SVG file, which may lead to a denial of service     (DoS) or potentially information disclosure.(CVE-2026-6861)

Tenable has extracted the preceding description block directly from the EulerOS emacs 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 CBL-Mariner Releases installed on the remote Azure Linux 3.0 host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the CVE-2026-6861 advisory.

  - A flaw was found in GNU Emacs. This vulnerability, a memory corruption issue, occurs when Emacs processes     specially crafted SVG (Scalable Vector Graphics) CSS (Cascading Style Sheets) data. A local user could     exploit this by convincing a victim to open a malicious SVG file, which May lead to a denial of service     (DoS) or potentially information disclosure. (CVE-2026-6861)

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-2026-52dad6273a advisory.

    Fix CVE-2026-6861: memory corruption vulnerability when processing SVG CSS.

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 43 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-290753da75 advisory.

    Fix CVE-2026-6861: memory corruption vulnerability when processing SVG CSS.

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 44 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-49b8ca7981 advisory.

    Fix CVE-2026-6861: memory corruption vulnerability when processing SVG CSS.

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

  - A flaw was found in GNU Emacs. This vulnerability, a memory corruption issue, occurs when Emacs processes     specially crafted SVG (Scalable Vector Graphics) CSS (Cascading Style Sheets) data. A local user could     exploit this by convincing a victim to open a malicious SVG file, which may lead to a denial of service     (DoS) or potentially information disclosure. (CVE-2026-6861)

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

The remote Debian 13 host has packages installed that are affected by a vulnerability as referenced in the dsa-6468 advisory.

    - -------------------------------------------------------------------------     Debian Security Advisory DSA-6468-1                   security@debian.org     https://www.debian.org/security/                       Moritz Muehlenhoff     August 26, 2026                       https://www.debian.org/security/faq
    - -------------------------------------------------------------------------

    Package        : emacs     CVE ID         : CVE-2026-6861     Debian Bug     : 1129189

    Two security issues were discovered in GNU Emacs, which could result in     the execution of arbitrary code when opening a malformed file and     denial of service when processing malformed PBM/PPM/PGM images.

    For the stable distribution (trixie), this problem has been fixed in     version 1:30.1+1-6+deb13u1.

    We recommend that you upgrade your emacs packages.

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

    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 version of FreeBSD installed on the remote host is prior to tested version. It is, therefore, affected by a vulnerability as referenced in the c7be43b0-78f0-11f1-8898-1c697a616631 advisory.

    When GNU Emacs renders an SVG image whose image spec includes a               :css property, an off-by-one error in svg_load_image() writes a NUL               byte one position past the end of a heap allocation.  The copied               string is also left without NUL termination within its allocation,               causing a subsequent out-of-bounds read.
    A single NUL byte heap overflow is a well-understood exploitation               primitive (poison NUL byte) that can corrupt heap metadata and               potentially be escalated to arbitrary code execution.  The overflow               can be triggered by Lisp code that displays an SVG image with a               crafted :css property.

Tenable has extracted the preceding description block directly from the FreeBSD 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	Published	Updated	Severity
332958	EulerOS 2.0 SP15 : emacs (EulerOS-SA-2026-2922)	Nessus	Huawei Local Security Checks	8/6/2026	8/6/2026	high
312146	Azure Linux 3.0 Security Update: CBL-Mariner Releases (CVE-2026-6861)	Nessus	Azure Linux Local Security Checks	5/5/2026	5/7/2026	high
311368	Fedora 42 : emacs (2026-52dad6273a)	Nessus	Fedora Local Security Checks	5/1/2026	5/7/2026	high
311386	Fedora 43 : emacs (2026-290753da75)	Nessus	Fedora Local Security Checks	5/1/2026	5/7/2026	high
311377	Fedora 44 : emacs (2026-49b8ca7981)	Nessus	Fedora Local Security Checks	5/1/2026	5/7/2026	high
332947	EulerOS 2.0 SP15 : emacs (EulerOS-SA-2026-2881)	Nessus	Huawei Local Security Checks	8/6/2026	8/6/2026	high
309750	Linux Distros Unpatched Vulnerability : CVE-2026-6861	Nessus	Misc.	4/22/2026	9/2/2026	high
340870	Debian dsa-6468 : emacs - security update	Nessus	Debian Local Security Checks	8/26/2026	8/26/2026	high
325258	FreeBSD : Emacs -- Heap out-of-bounds write when rendering SVG images (c7be43b0-78f0-11f1-8898-1c697a616631)	Nessus	FreeBSD Local Security Checks	7/6/2026	7/6/2026	high

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