Mozilla Thunderbird vulnerabilities

CVE-2022-24713 [HIGH] CVE-2022-24713: regex is an implementation of regular expressions for the Rust language regex is an implementation of regular expressions for the Rust language. The regex crate features built-in mitigations to prevent denial of service attacks caused by untrusted regexes, or untrusted input matched by trusted regexes. Those (tunable) mitigations already provide sane defaults to prevent attacks. This guarantee is documented and it's considered part of the crate's API. Unfort

CVE-2021-44538 [CRITICAL] CVE-2021-44538: The olm_session_describe function in Matrix libolm before 3 The olm_session_describe function in Matrix libolm before 3.2.7 is vulnerable to a buffer overflow. The Olm session object represents a cryptographic channel between two parties. Therefore, its state is partially controllable by the remote party of the channel. Attackers can construct a crafted sequence of messages to manipulate the state of the receiver's session in such a way that, for some bu

CVE-2021-43527 [CRITICAL] CWE-787 CVE-2021-43527: NSS (Network Security Services) versions prior to 3.73 or 3.68.1 ESR are vulnerable to a heap overfl NSS (Network Security Services) versions prior to 3.73 or 3.68.1 ESR are vulnerable to a heap overflow when handling DER-encoded DSA or RSA-PSS signatures. Applications using NSS for handling signatures encoded within CMS, S/MIME, PKCS \#7, or PKCS \#12 are likely to be impacted. Applications using NSS for certificate validation or other TLS, X.50

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-2021-43537 [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-2021-43539 [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-2021-38504 [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-2021-43534 [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-2021-43535 [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-2021-38510 [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-2021-43528 [MEDIUM] CWE-269 CVE-2021-43528: Thunderbird unexpectedly enabled JavaScript in the composition area. The JavaScript execution contex Thunderbird unexpectedly enabled JavaScript in the composition area. The JavaScript execution context was limited to this area and did not receive chrome-level privileges, but could be used as a stepping stone to further an attack with other vulnerabilities. This vulnerability affects Thunderbird < 91.4.0.

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-2021-43546 [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-2021-38505 [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-2021-43538 [MEDIUM] CWE-362 CVE-2021-43538: By misusing a race in our notification code, an attacker could have forcefully hidden the notificati By misusing a race in our notification code, an attacker could have forcefully hidden the notification for pages that had received full screen and pointer lock access, which could have been used for spoofing attacks. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.

CVE-2021-38506 [MEDIUM] CWE-1021 CVE-2021-38506: Through a series of navigations, Firefox could have entered fullscreen mode without notification or Through a series of navigations, Firefox could have entered fullscreen mode without notification or warning to the user. This could lead to spoofing attacks on the browser UI including phishing. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.

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.