The version of Firefox installed on the remote macOS or Mac OS X host is prior to 81.0. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2020-42 advisory.

  - When recursing through graphical layers while scrolling, an iterator may have become invalid, resulting in     a potential use-after-free. This occurs because the function     <code>APZCTreeManager::ComputeClippedCompositionBounds</code> did not follow iterator invalidation rules.
    (CVE-2020-15678)

  - When processing surfaces, the lifetime may outlive a persistent buffer leading to memory corruption and a     potentially exploitable crash. (CVE-2020-15675)

  - By exploiting an Open Redirect vulnerability on a website, an attacker could have spoofed the site     displayed in the download file dialog to show the original site (the one suffering from the open redirect)     rather than the site the file was actually downloaded from. (CVE-2020-15677)

  - Firefox sometimes ran the onload handler for SVG elements that the DOM sanitizer decided to remove,     resulting in JavaScript being executed after pasting attacker-controlled data into a contenteditable     element. (CVE-2020-15676)

  - Mozilla developer Jason Kratzer reported memory safety bugs present in Firefox 80 and Firefox ESR 78.2.
    Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of     these could have been exploited to run arbitrary code. (CVE-2020-15673)

Note that Nessus has not tested for these issues 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 multiple vulnerabilities as referenced in the ELSA-2020-3832 advisory.

    [78.3.0-1.0.1]
    - Removed Upstream references
    - Add firefox-oracle-default-prefs.js and remove the corresponding Red Hat file

    [78.3.0-1]
    - Update to 78.3.0 build1

Tenable has extracted the preceding description block directly from the Oracle Linux 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 Oracle Linux 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the ELSA-2020-4163 advisory.

    [78.3.1-1.0.1]
    - Replaced thunderbird-redhat-default-prefs.js with thunderbird-oracle-default-prefs.js

    [78.3.1-1]
    - Update to 78.3.1 build1

    [78.3.0-3]
    - Update to 78.3.0 build1
    - Remove librdp.so as long as we cannot ship it in RHEL

    [78.2.1-1]
    - Update to 78.2.1 build1

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

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

Multiple security issues have been found in Thunderbird, which may lead to the execution of arbitrary code or denial of service.

Debian follows the Thunderbird upstream releases. Support for the 68.x series has ended, so starting with this update we're now following the 78.x releases.

The 78.x series discontinues support for some addons. Also, starting with 78, Thunderbird supports OpenPGP natively. If you are currently using the Enigmail addon for PGP, please refer to the included NEWS and README.Debian.gz files for information on how to migrate your keys.

For Debian 9 stretch, these problems have been fixed in version 1:78.3.1-2~deb9u1.

We recommend that you upgrade your thunderbird packages.

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

NOTE: Tenable Network Security has extracted the preceding description block directly from the DLA security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

The version of thunderbird installed on the remote host is prior to 78.4.3-1. It is, therefore, affected by multiple vulnerabilities as referenced in the ALAS2-2020-1572 advisory.

    The Mozilla Foundation Security Advisory describes this flaw as:Mozilla developer reported memory safety     bugs present in Firefox 80 and Firefox ESR 78.2. Some of these bugs showed evidence of memory corruption     and we presume that with enough effort some of these could have been exploited to run arbitrary code.
    (CVE-2020-15673)

    The Mozilla Foundation Security Advisory describes this flaw as:Firefox sometimes ran the onload handler     for SVG elements that the DOM sanitizer decided to remove, resulting in JavaScript being executed after     pasting attacker-controlled data into a contenteditable element. (CVE-2020-15676)

    The Mozilla Foundation Security Advisory describes this flaw as:By exploiting an Open Redirect     vulnerability on a website, an attacker could have spoofed the site displayed in the download file dialog     to show the original site (the one suffering from the open redirect) rather than the site the file was     actually downloaded from. (CVE-2020-15677)

    The Mozilla Foundation Security Advisory describes this flaw as:When recursing through graphical layers     while scrolling, an iterator may have become invalid, resulting in a potential use-after-free. This occurs     because the function `APZCTreeManager::ComputeClippedCompositionBounds` did not follow iterator     invalidation rules. (CVE-2020-15678)

    Mozilla developers and community members reported memory safety bugs present in Firefox 81 and Firefox ESR     78.3. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some     of these could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR < 78.4,     Firefox < 82, and Thunderbird < 78.4. (CVE-2020-15683)

    Use after free in WebRTC in Google Chrome prior to 86.0.4240.75 allowed a remote attacker to potentially     exploit heap corruption via a crafted HTML page. (CVE-2020-15969)

    In certain circumstances, the MCallGetProperty opcode can be emitted with unmet assumptions resulting in     an exploitable use-after-free condition. (CVE-2020-26950)

Tenable has extracted the preceding description block directly from the tested product 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 CentOS Linux 7 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2020:4163 advisory.

  - Mozilla developers reported memory safety bugs present in Firefox 80 and Firefox ESR 78.2. Some of these     bugs showed evidence of memory corruption and we presume that with enough effort some of these could have     been exploited to run arbitrary code. This vulnerability affects Firefox < 81, Thunderbird < 78.3, and     Firefox ESR < 78.3. (CVE-2020-15673)

  - Firefox sometimes ran the onload handler for SVG elements that the DOM sanitizer decided to remove,     resulting in JavaScript being executed after pasting attacker-controlled data into a contenteditable     element. This vulnerability affects Firefox < 81, Thunderbird < 78.3, and Firefox ESR < 78.3.
    (CVE-2020-15676)

  - By exploiting an Open Redirect vulnerability on a website, an attacker could have spoofed the site     displayed in the download file dialog to show the original site (the one suffering from the open redirect)     rather than the site the file was actually downloaded from. This vulnerability affects Firefox < 81,     Thunderbird < 78.3, and Firefox ESR < 78.3. (CVE-2020-15677)

  - When recursing through graphical layers while scrolling, an iterator may have become invalid, resulting in     a potential use-after-free. This occurs because the function     APZCTreeManager::ComputeClippedCompositionBounds did not follow iterator invalidation rules. This     vulnerability affects Firefox < 81, Thunderbird < 78.3, and Firefox ESR < 78.3. (CVE-2020-15678)

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

The version of Thunderbird installed on the remote macOS or Mac OS X host is prior to 78.3. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2020-44 advisory.

  - When recursing through graphical layers while scrolling, an iterator may have become invalid, resulting in     a potential use-after-free. This occurs because the function     <code>APZCTreeManager::ComputeClippedCompositionBounds</code> did not follow iterator invalidation rules.
    (CVE-2020-15678)

  - By exploiting an Open Redirect vulnerability on a website, an attacker could have spoofed the site     displayed in the download file dialog to show the original site (the one suffering from the open redirect)     rather than the site the file was actually downloaded from. (CVE-2020-15677)

  - Thunderbird sometimes ran the onload handler for SVG elements that the DOM sanitizer decided to remove,     resulting in JavaScript being executed after pasting attacker-controlled data into a contenteditable     element. (CVE-2020-15676)

  - Mozilla developer Jason Kratzer reported memory safety bugs present in Thunderbird 78.2. Some of these     bugs showed evidence of memory corruption and we presume that with enough effort some of these could have     been exploited to run arbitrary code. (CVE-2020-15673)

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

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
140731	Mozilla Firefox < 81.0	Nessus	MacOS X Local Security Checks	2020/9/22	2025/11/18	high
140783	Oracle Linux 8 : firefox (ELSA-2020-3832)	Nessus	Oracle Linux Local Security Checks	2020/9/24	2024/10/22	high
141413	Oracle Linux 7 : thunderbird (ELSA-2020-4163)	Nessus	Oracle Linux Local Security Checks	2020/10/13	2024/10/22	high
141508	Debian DLA-2408-1 : thunderbird security update	Nessus	Debian Local Security Checks	2020/10/19	2024/2/15	high
143586	Amazon Linux 2 : thunderbird (ALAS-2020-1572)	Nessus	Amazon Linux Local Security Checks	2020/12/9	2024/12/11	critical
208644	CentOS 7 : thunderbird (RHSA-2020:4163)	Nessus	CentOS Local Security Checks	2024/10/9	2024/10/9	high
275651	Mozilla Thunderbird < 78.3	Nessus	MacOS X Local Security Checks	2025/11/18	2025/11/18	high
147407	NewStart CGSL MAIN 4.06 : firefox Multiple Vulnerabilities (NS-SA-2021-0004)	Nessus	NewStart CGSL Local Security Checks	2021/3/10	2023/4/25	critical

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