Mozilla Firefox vulnerabilities

CVE-2019-11764 [HIGH] CWE-787 CVE-2019-11764: Mozilla developers and community members reported memory safety bugs present in Firefox 69 and Firef Mozilla developers and community members reported memory safety bugs present in Firefox 69 and Firefox ESR 68.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could be exploited to run arbitrary code. This vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR < 68.2.

CVE-2019-17024 [HIGH] CWE-787 CVE-2019-17024: Mozilla developers reported memory safety bugs present in Firefox 71 and Firefox ESR 68.3. Some of t 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-2019-11745 [HIGH] CWE-787 CVE-2019-11745: When encrypting with a block cipher, if a call to NSC_EncryptUpdate was made with data smaller than When encrypting with a block cipher, if a call to NSC_EncryptUpdate was made with data smaller than the block size, a small out of bounds write could occur. This could have caused heap corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 68.3, Firefox ESR < 68.3, and Firefox < 71.

CVE-2019-17011 [HIGH] CWE-362 CVE-2019-17011: Under certain conditions, when retrieving a document from a DocShell in the antitracking code, a rac Under certain conditions, when retrieving a document from a DocShell in the antitracking code, a race condition could cause a use-after-free condition and a potentially exploitable crash. This vulnerability affects Thunderbird < 68.3, Firefox ESR < 68.3, and Firefox < 71.

CVE-2019-17025 [HIGH] CWE-787 CVE-2019-17025: Mozilla developers reported memory safety bugs present in Firefox 71. Some of these bugs showed evid Mozilla developers 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. This vulnerability affects Firefox < 72.

CVE-2019-11759 [HIGH] CWE-120 CVE-2019-11759: An attacker could have caused 4 bytes of HMAC output to be written past the end of a buffer stored o An attacker could have caused 4 bytes of HMAC output to be written past the end of a buffer stored on the stack. This could be used by an attacker to execute arbitrary code or more likely lead to a crash. This vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR < 68.2.

CVE-2019-17010 [HIGH] CWE-362 CVE-2019-17010: Under certain conditions, when checking the Resist Fingerprinting preference during device orientati Under certain conditions, when checking the Resist Fingerprinting preference during device orientation checks, a race condition could have caused a use-after-free and a potentially exploitable crash. This vulnerability affects Thunderbird < 68.3, Firefox ESR < 68.3, and Firefox < 71.

CVE-2019-11756 [HIGH] CWE-416 CVE-2019-11756: Improper refcounting of soft token session objects could cause a use-after-free and crash (likely li Improper refcounting of soft token session objects could cause a use-after-free and crash (likely limited to a denial of service). This vulnerability affects Firefox < 71.

CVE-2019-17019 [HIGH] CVE-2019-17019: When Python was installed on Windows, a python file being served with the MIME type of text/plain co 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. *Note: this issue only occurs on Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox < 72.

CVE-2019-17015 [HIGH] CWE-787 CVE-2019-17015: During the initialization of a new content process, a pointer offset can be manipulated leading to m 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-2019-17009 [HIGH] CVE-2019-17009: When running, the updater service wrote status and log files to an unrestricted location; potentiall When running, the updater service wrote status and log files to an unrestricted location; potentially allowing an unprivileged process to locate and exploit a vulnerability in file handling in the updater service. *Note: This attack requires local system access and only affects Windows. Other operating systems are not affected.*. This vulnerability affects Th

CVE-2019-17012 [HIGH] CWE-787 CVE-2019-17012: Mozilla developers reported memory safety bugs present in Firefox 70 and Firefox ESR 68.2. Some of t Mozilla developers reported memory safety bugs present in Firefox 70 and Firefox ESR 68.2. 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 Thunderbird < 68.3, Firefox ESR < 68.3, and Firefox < 71.

CVE-2019-11757 [HIGH] CWE-416 CVE-2019-11757: When following the value's prototype chain, it was possible to retain a reference to a locale, delet When following the value's prototype chain, it was possible to retain a reference to a locale, delete it, and subsequently reference it. This resulted in a use-after-free and a potentially exploitable crash. This vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR < 68.2.

CVE-2019-17014 [HIGH] CWE-863 CVE-2019-17014: If an image had not loaded correctly (such as when it is not actually an image), it could be dragged If an image had not loaded correctly (such as when it is not actually an image), it could be dragged and dropped cross-domain, resulting in a cross-origin information leak. This vulnerability affects Firefox < 71.

CVE-2019-17008 [HIGH] CWE-416 CVE-2019-17008: When using nested workers, a use-after-free could occur during worker destruction. This resulted in When using nested workers, a use-after-free could occur during worker destruction. This resulted in a potentially exploitable crash. This vulnerability affects Thunderbird < 68.3, Firefox ESR < 68.3, and Firefox < 71.

CVE-2019-17013 [HIGH] CWE-416 CVE-2019-17013: Mozilla developers reported memory safety bugs present in Firefox 70. Some of these bugs showed evid Mozilla developers reported memory safety bugs present in Firefox 70. 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 < 71.

CVE-2019-17017 [HIGH] CWE-843 CVE-2019-17017: Due to a missing case handling object types, a type confusion vulnerability could occur, resulting i 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-2019-11760 [HIGH] CWE-787 CVE-2019-11760: A fixed-size stack buffer could overflow in nrappkit when doing WebRTC signaling. This resulted in a A fixed-size stack buffer could overflow in nrappkit when doing WebRTC signaling. This resulted in a potentially exploitable crash in some instances. This vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR < 68.2.

CVE-2019-17005 [HIGH] CWE-787 CVE-2019-17005: The plain text serializer used a fixed-size array for the number of <ol> elements it could process; The plain text serializer used a fixed-size array for the number of elements it could process; however it was possible to overflow the static-sized array leading to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 68.3, Firefox ESR < 68.3, and Firefox < 71.

CVE-2019-11758 [HIGH] CWE-787 CVE-2019-11758: Mozilla community member Philipp reported a memory safety bug present in Firefox 68 when 360 Total S Mozilla community member Philipp reported a memory safety bug present in Firefox 68 when 360 Total Security was installed. This bug showed evidence of memory corruption in the accessibility engine and we presume that with enough effort that it could be exploited to run arbitrary code. This vulnerability affects Firefox < 69, Thunderbird < 68.2, and Fi