Product:

Firefox

(Mozilla)
Repositories • https://github.com/libevent/libevent
• https://github.com/khaledhosny/ots
#Vulnerabilities 2631
Date Id Summary Products Score Patch Annotated
2021-12-08 CVE-2021-43534 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 < 91.3. Debian_linux, Firefox, Firefox_esr, Thunderbird 8.8
2021-12-08 CVE-2021-43535 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. Debian_linux, Firefox, Firefox_esr, Thunderbird 8.8
2021-12-08 CVE-2021-43536 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. Debian_linux, Firefox, Firefox_esr, Thunderbird 6.5
2021-12-08 CVE-2021-43537 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. Debian_linux, Firefox, Firefox_esr, Thunderbird 8.8
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
2021-12-08 CVE-2021-43540 WebExtensions with the correct permissions were able to create and install ServiceWorkers for third-party websites that would not have been uninstalled with the extension. This vulnerability affects Firefox < 95. Firefox 6.5
2021-12-08 CVE-2021-43541 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. Debian_linux, Firefox, Firefox_esr, Thunderbird 6.5
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-2021-43543 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. Debian_linux, Firefox, Firefox_esr, Thunderbird 6.1