Product:

Firefox

(Mozilla)
Repositories • https://github.com/libevent/libevent
• https://github.com/khaledhosny/ots
#Vulnerabilities 2600
Date Id Summary Products Score Patch Annotated
2021-11-03 CVE-2021-38493 Mozilla developers reported memory safety bugs present in Firefox 91 and Firefox ESR 78.13. 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 < 78.14, Thunderbird < 78.14, and Firefox < 92. Firefox, Firefox_esr, Thunderbird 8.8
2021-12-08 CVE-2021-38503 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. Debian_linux, Firefox, Firefox_esr, Thunderbird 10.0
2021-12-08 CVE-2021-38506 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. Debian_linux, Firefox, Firefox_esr, Thunderbird 4.3
2021-12-08 CVE-2021-38504 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. Debian_linux, Firefox, Firefox_esr, Thunderbird 8.8
2021-12-08 CVE-2021-38507 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 encryption; a network attacker could forward a connection from the browser to port 443 to port 8443, causing the browser to treat the content of... Debian_linux, Firefox, Firefox_esr, Thunderbird 6.5
2021-12-08 CVE-2021-38508 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. Debian_linux, Firefox, Firefox_esr, Thunderbird 4.3
2021-12-08 CVE-2021-38509 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. Debian_linux, Firefox, Firefox_esr, Thunderbird 4.3
2021-12-08 CVE-2021-43542 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. Debian_linux, Firefox, Firefox_esr, Thunderbird 6.5
2021-12-08 CVE-2021-43538 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. Debian_linux, Firefox, Firefox_esr, Thunderbird 4.3
2021-12-08 CVE-2021-43539 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. Debian_linux, Firefox, Firefox_esr, Thunderbird 8.8