CVSS: 6.1EPSS: 0%CPEs: 3EXPL: 0CVE-2020-26978 – Mozilla: Internal network hosts could have been probed by a malicious webpage
https://notcve.org/view.php?id=CVE-2020-26978
16 Dec 2020 — Using techniques that built on the slipstream research, a malicious webpage could have exposed both an internal network's hosts as well as services running on the user's local machine. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6. Usando técnicas que se basaron en la investigación de slipstream, una página web maliciosa podría haber expuesto tanto los hosts de una red interna como los servicios que se ejecutan en la máquina local del usuario. Esta vulnerabilidad a... • https://bugzilla.mozilla.org/show_bug.cgi?id=1677047 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •
CVSS: 8.8EPSS: 0%CPEs: 3EXPL: 0CVE-2020-26971 – Mozilla: Heap buffer overflow in WebGL
https://notcve.org/view.php?id=CVE-2020-26971
16 Dec 2020 — Certain blit values provided by the user were not properly constrained leading to a heap buffer overflow on some video drivers. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6. Determinados valores de blit proporcionados por el usuario no se restringieron apropiadamente, conllevando a un desbordamiento del búfer de pila en algunos controladores de video. Esta vulnerabilidad afecta a Firefox versiones anteriores a 84, Thunderbird versiones anteriores a 78,6 y Firefox ... • https://bugzilla.mozilla.org/show_bug.cgi?id=1663466 • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') CWE-787: Out-of-bounds Write •
CVSS: 8.8EPSS: 0%CPEs: 3EXPL: 0CVE-2020-26973 – Mozilla: CSS Sanitizer performed incorrect sanitization
https://notcve.org/view.php?id=CVE-2020-26973
16 Dec 2020 — Certain input to the CSS Sanitizer confused it, resulting in incorrect components being removed. This could have been used as a sanitizer bypass. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6. Determinadas entradas hacia el CSS Sanitizer lo confundieron, resultando en una eliminación de componentes incorrectos. Esto podría haber sido usado como una omisión de saneo. • https://bugzilla.mozilla.org/show_bug.cgi?id=1680084 • CWE-20: Improper Input Validation •
CVSS: 8.8EPSS: 0%CPEs: 3EXPL: 0CVE-2020-26974 – Mozilla: Incorrect cast of StyleGenericFlexBasis resulted in a heap use-after-free
https://notcve.org/view.php?id=CVE-2020-26974
16 Dec 2020 — When flex-basis was used on a table wrapper, a StyleGenericFlexBasis object could have been incorrectly cast to the wrong type. This resulted in a heap user-after-free, memory corruption, and a potentially exploitable crash. This vulnerability affects Firefox < 84, Thunderbird < 78.6, and Firefox ESR < 78.6. Cuando flex-basis fue usada en un contenedor de tabla, un objeto StyleGenericFlexBasis podría haberse convertido incorrectamente en el tipo equivocado. Esto resultó en uso de la memoria previamente... • https://bugzilla.mozilla.org/show_bug.cgi?id=1681022 • CWE-416: Use After Free CWE-787: Out-of-bounds Write •
CVSS: 4.3EPSS: 0%CPEs: 3EXPL: 0CVE-2020-35111 – Mozilla: The proxy.onRequest API did not catch view-source URLs
https://notcve.org/view.php?id=CVE-2020-35111
16 Dec 2020 — When an extension with the proxy permission registered to receive
CVSS: 8.8EPSS: 0%CPEs: 3EXPL: 0CVE-2020-35113 – Mozilla: Memory safety bugs fixed in Firefox 84 and Firefox ESR 78.6
https://notcve.org/view.php?id=CVE-2020-35113
16 Dec 2020 — Mozilla developers reported memory safety bugs present in Firefox 83 and Firefox ESR 78.5. 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 < 84, Thunderbird < 78.6, and Firefox ESR < 78.6. Los desarrolladores de Mozilla reportaron bugs de seguridad de la memoria presentes en Firefox versión 83 y Firefox versión ESR 78.5. Algunos de estos bugs mostraron evidenc... • https://bugzilla.mozilla.org/buglist.cgi?bug_id=1664831%2C1673589 • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') CWE-787: Out-of-bounds Write •
CVSS: 6.5EPSS: 0%CPEs: 4EXPL: 0CVE-2020-26966
https://notcve.org/view.php?id=CVE-2020-26966
09 Dec 2020 — Searching for a single word from the address bar caused an mDNS request to be sent on the local network searching for a hostname consisting of that string; resulting in an information leak. *Note: This issue only affected Windows operating systems. Other operating systems are unaffected.*. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5. Una búsqueda de una sola palabra en la barra de direcciones causó que se enviara una petición mDNS en la red local buscando un nombre de... • https://bugzilla.mozilla.org/show_bug.cgi?id=1663571 •
CVSS: 9.3EPSS: 0%CPEs: 1EXPL: 0CVE-2020-26970 – Mozilla: Stack overflow due to incorrect parsing of SMTP server response codes
https://notcve.org/view.php?id=CVE-2020-26970
07 Dec 2020 — When reading SMTP server status codes, Thunderbird writes an integer value to a position on the stack that is intended to contain just one byte. Depending on processor architecture and stack layout, this leads to stack corruption that may be exploitable. This vulnerability affects Thunderbird < 78.5.1. Cuando se leen los códigos de estado del servidor SMTP, Thunderbird escribe un valor entero hacia una posición en la pila que debe contener solo un byte. Dependiendo de la arquitectura del procesador y e... • https://bugzilla.mozilla.org/show_bug.cgi?id=1677338 • CWE-121: Stack-based Buffer Overflow CWE-787: Out-of-bounds Write •
CVSS: 4.3EPSS: 0%CPEs: 3EXPL: 0CVE-2020-26953 – Mozilla: Fullscreen could be enabled without displaying the security UI
https://notcve.org/view.php?id=CVE-2020-26953
28 Nov 2020 — It was possible to cause the browser to enter fullscreen mode without displaying the security UI; thus making it possible to attempt a phishing attack or otherwise confuse the user. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5. Fue posible causar que el navegador entre en modo de pantalla completa sin mostrar la interfaz de seguridad, lo que permite intentar un ataque de phishing o confundir de alguna manera al usuario. Esta vulnerabilidad afecta a Firefox versiones an... • https://bugzilla.mozilla.org/show_bug.cgi?id=1656741 • CWE-451: User Interface (UI) Misrepresentation of Critical Information CWE-1021: Improper Restriction of Rendered UI Layers or Frames •
CVSS: 6.1EPSS: 0%CPEs: 3EXPL: 0CVE-2020-26958 – Mozilla: Requests intercepted through ServiceWorkers lacked MIME type restrictions
https://notcve.org/view.php?id=CVE-2020-26958
28 Nov 2020 — Firefox did not block execution of scripts with incorrect MIME types when the response was intercepted and cached through a ServiceWorker. This could lead to a cross-site script inclusion vulnerability, or a Content Security Policy bypass. This vulnerability affects Firefox < 83, Firefox ESR < 78.5, and Thunderbird < 78.5. Firefox no bloqueó una ejecución de scripts con tipos MIME incorrectos cuando la respuesta fue interceptada y almacenada en caché por medio de un ServiceWorker. Esto podría conllevar a un... • https://bugzilla.mozilla.org/show_bug.cgi?id=1669355 • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') •