CVSS: 8.8EPSS: 0%CPEs: 1EXPL: 1CVE-2021-23965
https://notcve.org/view.php?id=CVE-2021-23965
Mozilla developers reported memory safety bugs present in Firefox 84. 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 < 85. Los desarrolladores de Mozilla reportaron bugs de seguridad de la memoria presentes en Firefox versión 84. Algunos de estos bugs mostraron evidencia de corrupción de la memoria y suponemos que con esfuerzo suficiente algunos de ellos podrían haber sido explotados para ejecutar código arbitrario. • https://bugzilla.mozilla.org/buglist.cgi?bug_id=1670378%2C1673555%2C1676812%2C1678582%2C1684497 https://www.mozilla.org/security/advisories/mfsa2021-03 • CWE-787: Out-of-bounds Write •
CVSS: 6.5EPSS: 0%CPEs: 1EXPL: 0CVE-2021-23958
https://notcve.org/view.php?id=CVE-2021-23958
The browser could have been confused into transferring a screen sharing state into another tab, which would leak unintended information. This vulnerability affects Firefox < 85. El navegador podría haber sido confundido en transferir un estado de pantalla compartida a otra pestaña, lo que filtraría información no deseada. Esta vulnerabilidad afecta a Firefox versiones anteriores a 85 • https://bugzilla.mozilla.org/show_bug.cgi?id=1642747 https://www.mozilla.org/security/advisories/mfsa2021-03 • CWE-668: Exposure of Resource to Wrong Sphere •
CVSS: 7.4EPSS: 0%CPEs: 3EXPL: 0CVE-2021-23961 – Mozilla: More internal network hosts could have been probed by a malicious webpage
https://notcve.org/view.php?id=CVE-2021-23961
Further techniques that built on the slipstream research combined with 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 < 85. Otras técnicas que se basaron en la investigación de slipstream combinada con una página web maliciosa podrían haber expuesto tanto los hosts de una red interna como los servicios que se ejecutan en la máquina local del usuario. Esta vulnerabilidad afecta a Firefox versiones anteriores a 85 • https://bugzilla.mozilla.org/show_bug.cgi?id=1677940 https://lists.debian.org/debian-lts-announce/2021/04/msg00019.html https://lists.debian.org/debian-lts-announce/2021/04/msg00020.html https://security.gentoo.org/glsa/202104-09 https://security.gentoo.org/glsa/202104-10 https://www.debian.org/security/2021/dsa-4895 https://www.debian.org/security/2021/dsa-4897 https://www.mozilla.org/security/advisories/mfsa2021-03 https://access.redhat.com/security/cve/CVE-2021-23961 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •
CVSS: 6.1EPSS: 0%CPEs: 1EXPL: 0CVE-2021-23955
https://notcve.org/view.php?id=CVE-2021-23955
The browser could have been confused into transferring a pointer lock state into another tab, which could have lead to clickjacking attacks. This vulnerability affects Firefox < 85. El navegador podría haber sido confundido al transferir un estado de bloqueo del puntero a otra pestaña, lo que podría haber conllevado a ataques de secuestro de clics. Esta vulnerabilidad afecta a Firefox versiones anteriores a 85 • https://bugzilla.mozilla.org/show_bug.cgi?id=1684837 https://www.mozilla.org/security/advisories/mfsa2021-03 • CWE-1021: Improper Restriction of Rendered UI Layers or Frames •
CVSS: 6.5EPSS: 0%CPEs: 1EXPL: 1CVE-2021-23956
https://notcve.org/view.php?id=CVE-2021-23956
An ambiguous file picker design could have confused users who intended to select and upload a single file into uploading a whole directory. This was addressed by adding a new prompt. This vulnerability affects Firefox < 85. Un diseño de selector de archivos ambiguos podría haber confundido a usuarios que pretendían seleccionar y cargar un solo archivo para cargar un directorio completo. Esto se solucionó al agregar un nuevo aviso. • https://bugzilla.mozilla.org/show_bug.cgi?id=1338637 https://www.mozilla.org/security/advisories/mfsa2021-03 •