There are packages installed that are affected by multiple vulnerabilities referenced in the following CVEs:

  - XSS can occur in GNOME Web (aka Epiphany) before 40.4 and 41.x before 41.1 via an about: page, as
    demonstrated by ephy-about:overview when a user visits an XSS payload page often enough to place that page
    on the Most Visited list. (CVE-2021-45085)

  - XSS can occur in GNOME Web (aka Epiphany) before 40.4 and 41.x before 41.1 because a server's
    suggested_filename is used as the pdf_name value in PDF.js. (CVE-2021-45086)

  - XSS can occur in GNOME Web (aka Epiphany) before 40.4 and 41.x before 41.1 when View Source mode or Reader
    mode is used, as demonstrated by a a page title. (CVE-2021-45087)

  - XSS can occur in GNOME Web (aka Epiphany) before 40.4 and 41.x before 41.1 via an error page.
    (CVE-2021-45088)

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

  - XSS can occur in GNOME Web (aka Epiphany) before 40.4 and 41.x before 41.1 when View Source mode or Reader     mode is used, as demonstrated by a a page title. (CVE-2021-45087)

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

The remote Debian 10 host has packages installed that are affected by multiple vulnerabilities as referenced in the dla-3074 advisory.

    - -------------------------------------------------------------------------     Debian LTS Advisory DLA-3074-1                debian-lts@lists.debian.org     https://www.debian.org/lts/security/               Emilio Pozuelo Monfort     August 18, 2022                               https://wiki.debian.org/LTS
    - -------------------------------------------------------------------------

    Package        : epiphany-browser     Version        : 3.32.1.2-3~deb10u2     CVE ID         : CVE-2021-45085 CVE-2021-45087 CVE-2021-45088 CVE-2022-29536     Debian Bug     : 1009959

    Several issues were discovered in Epiphany, the GNOME web browser, allowing     XSS attacks by malicious websites, or memory corruption and application     crash by a page with a very long title.

    For Debian 10 buster, these problems have been fixed in version     3.32.1.2-3~deb10u2.

    We recommend that you upgrade your epiphany-browser packages.

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

    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 these issues but has instead relied only on the application's self-reported version number.

The remote Ubuntu 20.04 LTS / 22.04 LTS host has packages installed that are affected by multiple vulnerabilities as referenced in the USN-5561-1 advisory.

    It was discovered that GNOME Web incorrectly filtered certain strings. A remote attacker could use this     issue to perform cross-site scripting (XSS) attacks. This issue only affected Ubuntu 20.04 LTS.
    (CVE-2021-45085, CVE-2021-45086, CVE-2021-45087)

    It was discovered that GNOME Web incorrectly handled certain long page titles. A remote attacker could use     this issue to cause GNOME Web to crash, resulting in a denial of service, or possibly execute arbitrary     code. (CVE-2022-29536)

Tenable has extracted the preceding description block directly from the Ubuntu 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 11 host has packages installed that are affected by multiple vulnerabilities as referenced in the dsa-5042 advisory.

  - XSS can occur in GNOME Web (aka Epiphany) before 40.4 and 41.x before 41.1 via an about: page, as     demonstrated by ephy-about:overview when a user visits an XSS payload page often enough to place that page     on the Most Visited list. (CVE-2021-45085)

  - XSS can occur in GNOME Web (aka Epiphany) before 40.4 and 41.x before 41.1 because a server's     suggested_filename is used as the pdf_name value in PDF.js. (CVE-2021-45086)

  - XSS can occur in GNOME Web (aka Epiphany) before 40.4 and 41.x before 41.1 when View Source mode or Reader     mode is used, as demonstrated by a a page title. (CVE-2021-45087)

  - XSS can occur in GNOME Web (aka Epiphany) before 40.4 and 41.x before 41.1 via an error page.
    (CVE-2021-45088)

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
404229	Alpine: multiple epiphany packages: security update to 41.3-r0	Tenable Cloud Security	Alpine Linux Local Security Checks	10/31/2023	7/2/2026	medium
404229	Alpine: multiple epiphany packages: security update to 41.3-r0	Tenable Self-Hosted Container Security	Alpine Linux Local Security Checks	10/31/2023	7/2/2026	medium
257464	Linux Distros Unpatched Vulnerability : CVE-2021-45087	Nessus	Misc.	8/27/2025	6/20/2026	medium
164279	Debian dla-3074 : epiphany-browser - security update	Nessus	Debian Local Security Checks	8/18/2022	1/22/2025	medium
164146	Ubuntu 20.04 LTS / 22.04 LTS : GNOME Web vulnerabilities (USN-5561-1)	Nessus	Ubuntu Local Security Checks	8/16/2022	9/3/2025	medium
156695	Debian DSA-5042-1 : epiphany-browser - security update	Nessus	Debian Local Security Checks	1/13/2022	11/21/2023	medium

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