
CVE-2019-17011 – Mozilla: Use-after-free when retrieving a document in antitracking
https://notcve.org/view.php?id=CVE-2019-17011
04 Dec 2019 — Under certain conditions, when retrieving a document from a DocShell in the antitracking code, a race condition could cause a use-after-free condition and a potentially exploitable crash. This vulnerability affects Thunderbird < 68.3, Firefox ESR < 68.3, and Firefox < 71. Bajo determinadas condiciones, al recuperar un documento desde un DocShell en el código antitracking, una condición de carrera podría causar un condición de uso de la memoria previamente liberada y un bloqueo explotable potencialmente. Est... • http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00000.html • CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') CWE-416: Use After Free •

CVE-2019-17005 – Mozilla: Buffer overflow in plain text serializer
https://notcve.org/view.php?id=CVE-2019-17005
04 Dec 2019 — The plain text serializer used a fixed-size array for the number of
- elements it could process; however it was possible to overflow the static-sized array leading to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 68.3, Firefox ESR < 68.3, and Firefox < 71. El serializador de texto plano utilizó una matriz de tamaño fijo para el número de elementos (ol) que podía procesar; sin embargo, fue posible desbordar la matriz de tamaño estático conllevando a un cor... • http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00000.html • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') CWE-787: Out-of-bounds Write •

CVE-2019-17008 – Mozilla: Use-after-free in worker destruction
https://notcve.org/view.php?id=CVE-2019-17008
04 Dec 2019 — When using nested workers, a use-after-free could occur during worker destruction. This resulted in a potentially exploitable crash. This vulnerability affects Thunderbird < 68.3, Firefox ESR < 68.3, and Firefox < 71. Cuando se usan trabajadores anidados, puede ocurrir un uso de la memoria previamente liberada durante la destrucción del trabajador. Esto resultó en un bloqueo explotable potencialmente. • http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00000.html • CWE-416: Use After Free •

CVE-2019-17012 – Mozilla: Memory safety bugs fixed in Firefox 71 and Firefox ESR 68.3
https://notcve.org/view.php?id=CVE-2019-17012
04 Dec 2019 — Mozilla developers reported memory safety bugs present in Firefox 70 and Firefox ESR 68.2. 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 Thunderbird < 68.3, Firefox ESR < 68.3, and Firefox < 71. Los desarrolladores de Mozilla reportaron bugs de seguridad de memoria presentes en Firefox versión 70 y Firefox ESR versión 68.2. Algunos de estos errores mostraron evidencia de... • http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00000.html • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') CWE-787: Out-of-bounds Write •

CVE-2019-17009 – Slackware Security Advisory - mozilla-firefox Updates
https://notcve.org/view.php?id=CVE-2019-17009
04 Dec 2019 — When running, the updater service wrote status and log files to an unrestricted location; potentially allowing an unprivileged process to locate and exploit a vulnerability in file handling in the updater service. *Note: This attack requires local system access and only affects Windows. Other operating systems are not affected.*. This vulnerability affects Thunderbird < 68.3, Firefox ESR < 68.3, and Firefox < 71. Cuando se ejecuta, el servicio updater escribió el estado y los archivos de registro en una ubi... • http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00000.html •

CVE-2019-11745 – nss: Out-of-bounds write when passing an output buffer smaller than the block size to NSC_EncryptUpdate
https://notcve.org/view.php?id=CVE-2019-11745
28 Nov 2019 — When encrypting with a block cipher, if a call to NSC_EncryptUpdate was made with data smaller than the block size, a small out of bounds write could occur. This could have caused heap corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 68.3, Firefox ESR < 68.3, and Firefox < 71. Al encriptar con un cifrado de bloque, si se realizó una llamada a NSC_EncryptUpdate con datos más pequeños que el tamaño del bloque, podría producirse una pequeña escritura fuera de límites. Es... • http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00000.html • CWE-787: Out-of-bounds Write •

CVE-2019-11760 – Mozilla: Stack buffer overflow in WebRTC networking
https://notcve.org/view.php?id=CVE-2019-11760
23 Oct 2019 — A fixed-size stack buffer could overflow in nrappkit when doing WebRTC signaling. This resulted in a potentially exploitable crash in some instances. This vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR < 68.2. Un búfer de pila de tamaño fijo podría desbordarse en nrappkit cuando realiza la señalización de WebRTC. Esto resultó en un bloqueo explotable potencialmente en algunos casos. • https://bugzilla.mozilla.org/show_bug.cgi?id=1577719 • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') CWE-787: Out-of-bounds Write •

CVE-2019-11763 – Mozilla: Incorrect HTML parsing results in XSS bypass technique
https://notcve.org/view.php?id=CVE-2019-11763
23 Oct 2019 — Failure to correctly handle null bytes when processing HTML entities resulted in Firefox incorrectly parsing these entities. This could have led to HTML comment text being treated as HTML which could have led to XSS in a web application under certain conditions. It could have also led to HTML entities being masked from filters - enabling the use of entities to mask the actual characters of interest from filters. This vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR < 68.2. Si no se ma... • https://bugzilla.mozilla.org/show_bug.cgi?id=1584216 • CWE-79: Improper Neutralization of Input During Web Page Generation ('Cross-site Scripting') •

CVE-2019-11764 – Mozilla: Memory safety bugs fixed in Firefox 70 and Firefox ESR 68.2
https://notcve.org/view.php?id=CVE-2019-11764
23 Oct 2019 — Mozilla developers and community members reported memory safety bugs present in Firefox 69 and Firefox ESR 68.1. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could be exploited to run arbitrary code. This vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR < 68.2. Los desarrolladores de Mozilla y los miembros de la comunidad reportaron bugs de seguridad de memoria presentes en Firefox versión 69 y Firefox ESR versión 68.1. A... • https://bugzilla.mozilla.org/buglist.cgi?bug_id=1558522%2C1577061%2C1548044%2C1571223%2C1573048%2C1578933%2C1575217%2C1583684%2C1586845%2C1581950%2C1583463%2C1586599 • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') CWE-787: Out-of-bounds Write •

CVE-2019-11757 – Mozilla: Use-after-free when creating index updates in IndexedDB
https://notcve.org/view.php?id=CVE-2019-11757
23 Oct 2019 — When following the value's prototype chain, it was possible to retain a reference to a locale, delete it, and subsequently reference it. This resulted in a use-after-free and a potentially exploitable crash. This vulnerability affects Firefox < 70, Thunderbird < 68.2, and Firefox ESR < 68.2. Siguiendo la cadena de prototipos de valor, era posible retener una referencia a una configuración regional, eliminarla y, posteriormente, hacer referencia a ella. Esto resultó en un uso de la memoria previamente libera... • https://bugzilla.mozilla.org/show_bug.cgi?id=1577107 • CWE-416: Use After Free •