遠端 Windows 主機上安裝的 Firefox 版本比 72.0 舊。因此，會受到 mfsa2020-01 公告中所提及的多個弱點影響，包括下列：- 可在新的內容處理程序初始化期間操控指標位移，這會導致記憶體損毀及父項處理程序中可能遭到惡意利用的當機。(CVE-2019-17015) - 貼上時 <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. (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) - When in Private Browsing Mode on Windows 10, the Windows keyboard may retain word suggestions to improve     the accuracy of the keyboard. (CVE-2019-17018) - When Python was installed on Windows, a python file being served with the MIME type of text/plain could     be executed by Python instead of being opened as a text file when the Open option was selected upon     download. (CVE-2019-17019) - If an XML file is served with a Content Security Policy and the XML file includes an XSL stylesheet, the     Content Security Policy will not be applied to the contents of the XSL stylesheet. If the XSL sheet e.g. includes JavaScript, it would bypass any of the restrictions of the Content Security Policy applied to     the XML document. (CVE-2019-17020) - 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. (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. (CVE-2019-17022)      - After a HelloRetryRequest has been sent, the client may negotiate a lower protocol that TLS 1.3,     resulting in an invalid state transition in the TLS State Machine. If the client gets into this state,     incoming Application Data records will be ignored. (CVE-2019-17023) - Mozilla developers Jason Kratzer, Christian Holler, and Bob Clary 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. (CVE-2019-17024) - Mozilla developers Karl Tomlinson, Jason Kratzer, Tyson Smith, Jon Coppeard, and Christian Holler     reported memory safety bugs present in Firefox 71. 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-2019-17025) Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

現已提供適用於 Slackware 14.2 和最新版本的新 mozilla-thunderbird 套件，可修正安全性問題。

遠端 Windows 主機上安裝的 Firefox ESR 版本比 68.4 舊。因此，會受到 mfsa2020-02 公告中所提及的多個弱點影響。- 可在新的內容處理程序初始化期間操控指標位移，這會導致記憶體損毀及父項處理程序中可能遭到惡意利用的當機。注意：此問題只在 Windows 上發生。其他作業系統不受影響。(CVE-2019-17015) - 貼上時 <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. (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) - 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. (CVE-2019-17022) - Mozilla developers Jason Kratzer, Christian Holler, and     Bob Clary 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. (CVE-2019-17024) Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Linux/Unix 主機上安裝了一個或多個受到弱點影響的套件，且供應商未提供可用的修補程式。

  - 可在新的內容處理程序初始化期間操控指標位移，進而導致記憶體損毀，以及父處理程序可能遭到惡意利用而損毀。*注意：此問題只會發生在 Windows 上。其他作業系統不受影響。* 此弱點會影響 Firefox ESR < 68.4 和 Firefox < 72。(CVE-2019-17015)

請注意，Nessus 依賴供應商報告的套件存在。

遠端 Windows 主機上安裝的 Thunderbird 版本比 68.4.1 舊。因此會受到 mfsa2020-04 公告中所提及的多個弱點影響。- 可在新的內容處理程序初始化期間操控指標位移，進而導致記憶體損毀，以及父處理程序可能遭到惡意利用而損毀。*注意：此問題只會發生在 Windows 上。其他作業系統不受影響。* 此弱點會影響 Thunderbird < 68.4。(CVE-2019-17015) - 在貼上 <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     Thunderbird < 68.4. (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 Thunderbird < 68.4. (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 Thunderbird < 68.4. (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 Thunderbird < 68.4. (CVE-2019-17022) Mozilla developers Jason Kratzer, Christian Holler, and     Bob Clary reported memory safety bugs present in     Thunderbird 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. (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. (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.

ID	名稱	產品	系列	已發布	已更新	嚴重性
132709	Mozilla Firefox < 72.0 多個弱點	Nessus	Windows	2020/1/8	2024/4/1	high
132847	Slackware 14.2 / 最新版本：mozilla-thunderbird (SSA:2020-010-01)	Nessus	Slackware Local Security Checks	2020/1/13	2023/4/25	high
132711	Mozilla Firefox ESR < 68.4 多個弱點	Nessus	Windows	2020/1/8	2024/4/1	high
243369	Linux Distros 未修補的弱點：CVE-2019-17015	Nessus	Misc.	2025/8/4	2025/8/4	high
132774	Mozilla Thunderbird < 68.4.1	Nessus	Windows	2020/1/10	2023/4/25	high

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