CVSS: 5.4EPSS: 0%CPEs: 6EXPL: 0CVE-2021-43546 – Mozilla: Cursor spoofing could overlay user interface when native cursor is zoomed
https://notcve.org/view.php?id=CVE-2021-43546
08 Dec 2021 — 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. Se han podido recrear ataques anteriores de suplantación del cursor contra usuarios con un cursor nativo ampliado. Esta vulnerabilidad afecta a Thunderbird versiones anteriores a 91.4.0, Firefox ESR versiones anteriores a 91.4.0 y Firefox versiones anteriores a 95 Multiple security issues were discovered in Firefox. I... • https://bugzilla.mozilla.org/show_bug.cgi?id=1737751 • CWE-1021: Improper Restriction of Rendered UI Layers or Frames •
CVSS: 8.8EPSS: 0%CPEs: 6EXPL: 0CVE-2021-43537 – Mozilla: Heap buffer overflow when using structured clone
https://notcve.org/view.php?id=CVE-2021-43537
08 Dec 2021 — 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. Una conversión de tipo incorrecta de los tamaños de enteros de 64 bits a 32 bits permitía a un atacante corromper la memoria, conllevando a un bloqueo potencialmente explotable. Esta vulnerabilidad afecta a Thunderbird versiones anteriores a 91.4.0, Firefox ESR versiones an... • https://bugzilla.mozilla.org/show_bug.cgi?id=1738237 • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') CWE-704: Incorrect Type Conversion or Cast •
CVSS: 6.5EPSS: 1%CPEs: 6EXPL: 0CVE-2021-43542 – Mozilla: XMLHttpRequest error codes could have leaked the existence of an external protocol handler
https://notcve.org/view.php?id=CVE-2021-43542
08 Dec 2021 — 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. Usando XMLHttpRequest, un atacante podría haber identificado aplicaciones instaladas sondeando los mensajes de error para cargar protocolos externos. Esta vulnerabilidad afecta a Thunderbird versiones anteriores a 91.4.0, Firefox ESR versiones anteriores a 91.4.0 y Firefox versiones an... • https://bugzilla.mozilla.org/show_bug.cgi?id=1723281 • CWE-209: Generation of Error Message Containing Sensitive Information •
CVSS: 6.5EPSS: 0%CPEs: 6EXPL: 0CVE-2021-43541 – Mozilla: External protocol handler parameters were unescaped
https://notcve.org/view.php?id=CVE-2021-43541
08 Dec 2021 — 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. Cuando son invocados manejadores de protocolo para protocolos externos, una URL de parámetro suministrada que contenía espacios no se escapaba correctamente. Esta vulnerabilidad afecta a Thunderbird versiones anteriores a 91.4.0, Firefox ESR versiones anteriores a 91.4.0 y Firefox versiones anteri... • https://bugzilla.mozilla.org/show_bug.cgi?id=1696685 • CWE-428: Unquoted Search Path or Element •
CVSS: 6.5EPSS: 1%CPEs: 6EXPL: 0CVE-2021-43545 – Mozilla: Denial of Service when using the Location API in a loop
https://notcve.org/view.php?id=CVE-2021-43545
08 Dec 2021 — 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. El uso de la API de localización en un bucle podría haber causado graves cuelgues y bloqueos de la aplicación. Esta vulnerabilidad afecta a Thunderbird versiones anteriores a 91.4.0, Firefox ESR versiones anteriores a 91.4.0 y Firefox versiones anteriores a 95 USN-5186-1 fixed vulnerabilities in Firefox. The update introduced severa... • https://bugzilla.mozilla.org/show_bug.cgi?id=1720926 • CWE-834: Excessive Iteration CWE-835: Loop with Unreachable Exit Condition ('Infinite Loop') •
CVSS: 8.8EPSS: 0%CPEs: 6EXPL: 0CVE-2021-43539 – Mozilla: GC rooting failure when calling wasm instance methods
https://notcve.org/view.php?id=CVE-2021-43539
08 Dec 2021 — 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. Un fallo en el registro correcto de la ubicación de los punteros vivos a través de las llamadas a instancias de wasm daba lugar a que una GC que ocurría dentro de la llamada no rast... • https://bugzilla.mozilla.org/show_bug.cgi?id=1739683 • CWE-416: Use After Free •
CVSS: 6.5EPSS: 0%CPEs: 6EXPL: 1CVE-2021-38492 – Gentoo Linux Security Advisory 202208-14
https://notcve.org/view.php?id=CVE-2021-38492
03 Nov 2021 — When delegating navigations to the operating system, Firefox would accept the `mk` scheme which might allow attackers to launch pages and execute scripts in Internet Explorer in unprivileged mode. *This bug only affects Firefox for Windows. Other operating systems are unaffected.*. This vulnerability affects Firefox < 92, Thunderbird < 91.1, Thunderbird < 78.14, Firefox ESR < 78.14, and Firefox ESR < 91.1. Cuando se delegaba la navegación al sistema operativo, Firefox aceptaba el esquema "mk" que podía perm... • https://bugzilla.mozilla.org/show_bug.cgi?id=1721107 •
CVSS: 8.8EPSS: 0%CPEs: 2EXPL: 0CVE-2021-38495 – Gentoo Linux Security Advisory 202208-14
https://notcve.org/view.php?id=CVE-2021-38495
03 Nov 2021 — Mozilla developers reported memory safety bugs present in Thunderbird 78.13.0. 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 < 91.1 and Firefox ESR < 91.1. Los desarrolladores de Mozilla informaron de bugs de seguridad de memoria presentes en Thunderbird versión 78.13.0. Algunos de estos bugs mostraban evidencias de corrupción de memoria y suponemos que con s... • https://bugzilla.mozilla.org/buglist.cgi?bug_id=1723391%2C1723920%2C1724101%2C1724107 • CWE-787: Out-of-bounds Write •
CVSS: 7.5EPSS: 0%CPEs: 6EXPL: 0CVE-2021-38507 – Mozilla: Opportunistic Encryption in HTTP2 could be used to bypass the Same-Origin-Policy on services hosted on other ports
https://notcve.org/view.php?id=CVE-2021-38507
03 Nov 2021 — 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 port 8443 as sam... • https://bugzilla.mozilla.org/show_bug.cgi?id=1730935 • CWE-346: Origin Validation Error CWE-829: Inclusion of Functionality from Untrusted Control Sphere •
CVSS: 7.5EPSS: 0%CPEs: 6EXPL: 0CVE-2021-38506 – Mozilla: Firefox could be coaxed into going into fullscreen mode without notification or warning
https://notcve.org/view.php?id=CVE-2021-38506
03 Nov 2021 — 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. Mediante de una serie de navegaciones, Firefox podría haber entrado en modo de pantalla completa sin notificación o advertencia al usuario. Esto podría conllevar a ataques de suplantación de identidad en la Interfaz de Usuario del n... • https://bugzilla.mozilla.org/show_bug.cgi?id=1730750 • CWE-1021: Improper Restriction of Rendered UI Layers or Frames •