The remote Redhat Enterprise Linux 8 host has a package installed that is affected by multiple vulnerabilities as referenced in the RHSA-2020:0292 advisory.

    Mozilla Thunderbird is a standalone mail and newsgroup client.

    This update upgrades Thunderbird to version 68.4.1.

    Security Fix(es):

    * Mozilla: IonMonkey type confusion with StoreElementHole and FallibleStoreElement (CVE-2019-17026)

    * Mozilla: Use-after-free in worker destruction (CVE-2019-17008)

    * Mozilla: Memory safety bugs fixed in Firefox 71 and Firefox ESR 68.3 (CVE-2019-17012)

    * Mozilla: Bypass of @namespace CSS sanitization during pasting (CVE-2019-17016)

    * Mozilla: Type Confusion in XPCVariant.cpp (CVE-2019-17017)

    * Mozilla: Memory safety bugs fixed in Firefox 72 and Firefox ESR 68.4 (CVE-2019-17024)

    * Mozilla: Buffer overflow in plain text serializer (CVE-2019-17005)

    * Mozilla: Use-after-free when performing device orientation checks (CVE-2019-17010)

    * Mozilla: Use-after-free when retrieving a document in antitracking (CVE-2019-17011)

    * Mozilla: CSS sanitization does not escape HTML tags (CVE-2019-17022)

    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 these issues 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 multiple vulnerabilities as referenced in the RHSA-2020:0295 advisory.

    Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and     portability.

    This update upgrades Firefox to version 68.4.1 ESR.

    Security Fix(es):

    * Mozilla: IonMonkey type confusion with StoreElementHole and FallibleStoreElement (CVE-2019-17026)

    * Mozilla: Use-after-free in worker destruction (CVE-2019-17008)

    * Mozilla: Memory safety bugs fixed in Firefox 71 and Firefox ESR 68.3 (CVE-2019-17012)

    * Mozilla: Bypass of @namespace CSS sanitization during pasting (CVE-2019-17016)

    * Mozilla: Type Confusion in XPCVariant.cpp (CVE-2019-17017)

    * Mozilla: Memory safety bugs fixed in Firefox 72 and Firefox ESR 68.4 (CVE-2019-17024)

    * Mozilla: Buffer overflow in plain text serializer (CVE-2019-17005)

    * Mozilla: Use-after-free when performing device orientation checks (CVE-2019-17010)

    * Mozilla: Use-after-free when retrieving a document in antitracking (CVE-2019-17011)

    * Mozilla: CSS sanitization does not escape HTML tags (CVE-2019-17022)

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

An issue was found in the IonMonkey JIT compiler of the Mozilla Firefox web browser which could lead to arbitrary code execution.

For Debian 8 'Jessie', this problem has been fixed in version 68.4.1esr-1~deb8u1.

We recommend that you upgrade your firefox-esr packages.

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 Firefox installed on the remote macOS or Mac OS X host is prior to 72.0.1. It is, therefore, affected by a vulnerability as referenced in the mfsa2020-03 advisory.

  - Incorrect alias information in IonMonkey JIT compiler for setting array elements could lead to a type     confusion. We are aware of targeted attacks in the wild abusing this flaw. (CVE-2019-17026)

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 Firefox ESR installed on the remote Windows host is prior to 68.4.1. It is, therefore, affected by a vulnerability as referenced in the mfsa2020-03 advisory.

  - Incorrect alias information in IonMonkey JIT compiler for setting array elements could lead to a type     confusion. We are aware of targeted attacks in the wild abusing this flaw. (CVE-2019-17026)

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 Thunderbird installed on the remote macOS or Mac OS X host is prior to 68.4.1. It is, therefore, affected by multiple vulnerabilities as referenced in the mfsa2020-04 advisory.

  - Incorrect alias information in IonMonkey JIT compiler for setting array elements could lead to a type     confusion. We are aware of targeted attacks in the wild abusing this flaw. (CVE-2019-17026)

  - During the initialization of a new content process, a pointer offset can be manipulated leading to memory     corruption and a potentially exploitable crash in the parent process.  Note: this issue only occurs on     Windows. Other operating systems are unaffected. (CVE-2019-17015)

  - When pasting a <code><style></code> tag from the clipboard into a rich text editor, the CSS     sanitizer incorrectly rewrites a @namespace rule. This could allow for injection into certain types of     websites resulting in data exfiltration. (CVE-2019-17016)

  - Due to a missing case handling object types, a type confusion vulnerability could occur, resulting in a     crash. We presume that with enough effort that it could be exploited to run arbitrary code.
    (CVE-2019-17017)

  - During the initialization of a new content process, a race condition occurs that can allow a content     process to disclose heap addresses from the parent process.  Note: this issue only occurs on Windows.
    Other operating systems are unaffected. (CVE-2019-17021)

Note that Nessus has not tested for these issues 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 multiple vulnerabilities as referenced in the RHSA-2020:0085 advisory.

    Mozilla Firefox is an open-source web browser, designed for standards compliance, performance, and     portability.

    This update upgrades Firefox to version 68.4.1 ESR.

    Security Fix(es):

    * Mozilla: IonMonkey type confusion with StoreElementHole and FallibleStoreElement (CVE-2019-17026)

    * Mozilla: Bypass of @namespace CSS sanitization during pasting (CVE-2019-17016)

    * Mozilla: Type Confusion in XPCVariant.cpp (CVE-2019-17017)

    * Mozilla: Memory safety bugs fixed in Firefox 72 and Firefox ESR 68.4 (CVE-2019-17024)

    * Mozilla: CSS sanitization does not escape HTML tags (CVE-2019-17022)

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

This update for MozillaFirefox fixes the following issues :

Firefox Extended Support Release 68.4.1 ESR

  - Fixed: Security fix MFSA 2020-03 (bsc#1160498)

  - CVE-2019-17026 (bmo#1607443) IonMonkey type confusion     with StoreElementHole and FallibleStoreElement

Firefox Extended Support Release 68.4.0 ESR

  - Fixed: Various security fixes MFSA 2020-02 (bsc#1160305)

  - CVE-2019-17015 (bmo#1599005) Memory corruption in parent     process during new content process initialization on     Windows

  - CVE-2019-17016 (bmo#1599181) Bypass of @namespace CSS     sanitization during pasting

  - CVE-2019-17017 (bmo#1603055) Type Confusion in     XPCVariant.cpp

  - CVE-2019-17021 (bmo#1599008) Heap address disclosure in     parent process during content process initialization on     Windows

  - CVE-2019-17022 (bmo#1602843) CSS sanitization does not     escape HTML tags

  - CVE-2019-17024 (bmo#1507180, bmo#1595470, bmo#1598605,     bmo#1601826) Memory safety bugs fixed in Firefox 72 and     Firefox ESR 68.4

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

The remote SUSE Linux SLES11 host has packages installed that are affected by multiple vulnerabilities as referenced in the SUSE-SU-2020:14268-1 advisory.

  - During the initialization of a new content process, a pointer offset can be manipulated leading to memory     corruption and a potentially exploitable crash in the parent process. *Note: this issue only occurs on     Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox ESR < 68.4 and     Firefox < 72. (CVE-2019-17015)

  - When pasting a <style> tag from the clipboard into a rich text editor, the CSS sanitizer incorrectly     rewrites a @namespace rule. This could allow for injection into certain types of websites resulting in     data exfiltration. This vulnerability affects Firefox ESR < 68.4 and Firefox < 72. (CVE-2019-17016)

  - Due to a missing case handling object types, a type confusion vulnerability could occur, resulting in a     crash. We presume that with enough effort that it could be exploited to run arbitrary code. This     vulnerability affects Firefox ESR < 68.4 and Firefox < 72. (CVE-2019-17017)

  - During the initialization of a new content process, a race condition occurs that can allow a content     process to disclose heap addresses from the parent process. *Note: this issue only occurs on Windows.
    Other operating systems are unaffected.*. This vulnerability affects Firefox ESR < 68.4 and Firefox < 72.
    (CVE-2019-17021)

  - When pasting a <style> tag from the clipboard into a rich text editor, the CSS sanitizer does not     escape < and > characters. Because the resulting string is pasted directly into the text node of the     element this does not result in a direct injection into the webpage; however, if a webpage subsequently     copies the node's innerHTML, assigning it to another innerHTML, this would result in an XSS vulnerability.
    Two WYSIWYG editors were identified with this behavior, more may exist. This vulnerability affects Firefox     ESR < 68.4 and Firefox < 72. (CVE-2019-17022)

  - Mozilla developers reported memory safety bugs present in Firefox 71 and Firefox ESR 68.3. 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 < 68.4 and Firefox < 72.
    (CVE-2019-17024)

  - Incorrect alias information in IonMonkey JIT compiler for setting array elements could lead to a type     confusion. We are aware of targeted attacks in the wild abusing this flaw. This vulnerability affects     Firefox ESR < 68.4.1, Thunderbird < 68.4.1, and Firefox < 72.0.1. (CVE-2019-17026)

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.

  - Incorrect alias information in IonMonkey JIT compiler for setting array elements could lead to a type     confusion. We are aware of targeted attacks in the wild abusing this flaw. This vulnerability affects     Firefox ESR < 68.4.1, Thunderbird < 68.4.1, and Firefox < 72.0.1. (CVE-2019-17026)

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

The remote MiracleLinux 4 host has a package installed that is affected by multiple vulnerabilities as referenced in the AXSA:2020-4431:01 advisory.

    * Mozilla: IonMonkey type confusion with StoreElementHole and FallibleStoreElement (CVE-2019-17026)
      * Mozilla: Bypass of @namespace CSS sanitization during pasting (CVE-2019-17016)
      * Mozilla: Type Confusion in XPCVariant.cpp (CVE-2019-17017)
      * Mozilla: Memory safety bugs fixed in Firefox 72 and Firefox ESR 68.4 (CVE-2019-17024)
      * Mozilla: CSS sanitization does not escape HTML tags (CVE-2019-17022)

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

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
133384	RHEL 8 : thunderbird (RHSA-2020:0292)	Nessus	Red Hat Local Security Checks	2020/1/31	2024/11/7	high
133386	RHEL 8 : firefox (RHSA-2020:0295)	Nessus	Red Hat Local Security Checks	2020/1/31	2024/11/7	high
133413	Debian DLA-2093-1 : firefox-esr security update	Nessus	Debian Local Security Checks	2020/2/3	2024/3/28	high
132713	Mozilla Firefox < 72.0.1	Nessus	MacOS X Local Security Checks	2020/1/8	2025/11/18	high
132714	Mozilla Firefox ESR < 68.4.1	Nessus	Windows	2020/1/8	2025/11/18	high
132773	Mozilla Thunderbird < 68.4.1	Nessus	MacOS X Local Security Checks	2020/1/10	2025/11/20	high
132884	RHEL 7 : firefox (RHSA-2020:0085)	Nessus	Red Hat Local Security Checks	2020/1/15	2024/11/7	high
132921	SUSE SLED15 / SLES15 Security Update : MozillaFirefox (SUSE-SU-2020:0078-1)	Nessus	SuSE Local Security Checks	2020/1/15	2023/4/25	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
150661	SUSE SLES11 Security Update : MozillaFirefox (SUSE-SU-2020:14268-1)	Nessus	SuSE Local Security Checks	2021/6/10	2022/12/6	high
243693	Linux Distros Unpatched Vulnerability : CVE-2019-17026	Nessus	Misc.	2025/8/5	2025/8/6	high
294757	MiracleLinux 4 : thunderbird-68.4.1-2.AXS4 (AXSA:2020-4431:01)	Nessus	Miracle Linux Local Security Checks	2026/1/20	2026/2/4	high

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