Mozilla Firefox Esr vulnerabilities

CVE-2022-46880 [MEDIUM] CWE-416 CVE-2022-46880: A missing check related to tex units could have led to a use-after-free and potentially exploitable A missing check related to tex units could have led to a use-after-free and potentially exploitable crash.*Note*: This advisory was added on December 13th, 2022 after we better understood the impact of the issue. The fix was included in the original release of Firefox 105. This vulnerability affects Firefox ESR < 102.6, Firefox < 105, and Thunderbird

CVE-2022-28285 [MEDIUM] CWE-125 CVE-2022-28285: When generating the assembly code for <code>MLoadTypedArrayElementHole</code>, an incorrect AliasSet When generating the assembly code for MLoadTypedArrayElementHole, an incorrect AliasSet was used. In conjunction with another vulnerability this could have been used for an out of bounds memory read. This vulnerability affects Thunderbird < 91.8, Firefox < 99, and Firefox ESR < 91.8.

CVE-2022-22746 [MEDIUM] CWE-362 CVE-2022-22746: A race condition could have allowed bypassing the fullscreen notification which could have lead to a A race condition could have allowed bypassing the fullscreen notification which could have lead to a fullscreen window spoof being unnoticed.*This bug only affects Firefox for Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5.

CVE-2021-38503 [CRITICAL] CWE-863 CVE-2021-38503: The iframe sandbox rules were not correctly applied to XSLT stylesheets, allowing an iframe to bypas The iframe sandbox rules were not correctly applied to XSLT stylesheets, allowing an iframe to bypass restrictions such as executing scripts or navigating the top-level frame. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.

CVE-2021-43539 [HIGH] CWE-416 CVE-2021-43539: Failure to correctly record the location of live pointers across wasm instance calls resulted in a G Failure to correctly record the location of live pointers across wasm instance calls resulted in a GC occurring within the call not tracing those live pointers. This could have led to a use-after-free causing a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.

CVE-2021-43535 [HIGH] CWE-416 CVE-2021-43535: A use-after-free could have occured when an HTTP2 session object was released on a different thread, A use-after-free could have occured when an HTTP2 session object was released on a different thread, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 93, Thunderbird < 91.3, and Firefox ESR < 91.3.

CVE-2021-43537 [HIGH] CWE-704 CVE-2021-43537: An incorrect type conversion of sizes from 64bit to 32bit integers allowed an attacker to corrupt me An incorrect type conversion of sizes from 64bit to 32bit integers allowed an attacker to corrupt memory leading to a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.

CVE-2021-43534 [HIGH] CWE-787 CVE-2021-43534: Mozilla developers and community members reported memory safety bugs present in Firefox 93 and Firef Mozilla developers and community members reported memory safety bugs present in Firefox 93 and Firefox ESR 91.2. 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 < 94, Thunderbird < 91.3, and Firefox ESR < 91.

CVE-2021-38504 [HIGH] CWE-416 CVE-2021-38504: When interacting with an HTML input element's file picker dialog with webkitdirectory set, a use-aft When interacting with an HTML input element's file picker dialog with webkitdirectory set, a use-after-free could have resulted, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.

CVE-2021-38510 [HIGH] CVE-2021-38510: The executable file warning was not presented when downloading .inetloc files, which, due to a flaw The executable file warning was not presented when downloading .inetloc files, which, due to a flaw in Mac OS, can run commands on a user's computer.*Note: This issue only affected Mac OS operating systems. Other operating systems are unaffected.*. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.

CVE-2021-43541 [MEDIUM] CVE-2021-43541: When invoking protocol handlers for external protocols, a supplied parameter URL containing spaces w When invoking protocol handlers for external protocols, a supplied parameter URL containing spaces was not properly escaped. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.

CVE-2021-38509 [MEDIUM] CWE-1021 CVE-2021-38509: Due to an unusual sequence of attacker-controlled events, a Javascript alert() dialog with arbitrary Due to an unusual sequence of attacker-controlled events, a Javascript alert() dialog with arbitrary (although unstyled) contents could be displayed over top an uncontrolled webpage of the attacker's choosing. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.

CVE-2021-43543 [MEDIUM] CWE-79 CVE-2021-43543: Documents loaded with the CSP sandbox directive could have escaped the sandbox's script restriction Documents loaded with the CSP sandbox directive could have escaped the sandbox's script restriction by embedding additional content. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.

CVE-2021-38505 [MEDIUM] CWE-668 CVE-2021-38505: Microsoft introduced a new feature in Windows 10 known as Cloud Clipboard which, if enabled, will re Microsoft introduced a new feature in Windows 10 known as Cloud Clipboard which, if enabled, will record data copied to the clipboard to the cloud, and make it available on other computers in certain scenarios. Applications that wish to prevent copied data from being recorded in Cloud History must use specific clipboard formats; and Firefox before v

CVE-2021-43542 [MEDIUM] CWE-209 CVE-2021-43542: Using XMLHttpRequest, an attacker could have identified installed applications by probing error mess Using XMLHttpRequest, an attacker could have identified installed applications by probing error messages for loading external protocols. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.

CVE-2021-43545 [MEDIUM] CWE-834 CVE-2021-43545: Using the Location API in a loop could have caused severe application hangs and crashes. This vulner Using the Location API in a loop could have caused severe application hangs and crashes. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.

CVE-2021-43546 [MEDIUM] CWE-1021 CVE-2021-43546: It was possible to recreate previous cursor spoofing attacks against users with a zoomed native curs It was possible to recreate previous cursor spoofing attacks against users with a zoomed native cursor. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.

CVE-2021-38508 [MEDIUM] CWE-1021 CVE-2021-38508: By displaying a form validity message in the correct location at the same time as a permission promp By displaying a form validity message in the correct location at the same time as a permission prompt (such as for geolocation), the validity message could have obscured the prompt, resulting in the user potentially being tricked into granting the permission. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.

CVE-2021-38507 [MEDIUM] CWE-346 CVE-2021-38507: The Opportunistic Encryption feature of HTTP2 (RFC 8164) allows a connection to be transparently upg The Opportunistic Encryption feature of HTTP2 (RFC 8164) allows a connection to be transparently upgraded to TLS while retaining the visual properties of an HTTP connection, including being same-origin with unencrypted connections on port 80. However, if a second encrypted port on the same IP address (e.g. port 8443) did not opt-in to opportunistic

CVE-2021-43536 [MEDIUM] CWE-200 CVE-2021-43536: Under certain circumstances, asynchronous functions could have caused a navigation to fail but expos Under certain circumstances, asynchronous functions could have caused a navigation to fail but expose the target URL. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.