Page 34 of 1065 results (0.017 seconds)

CVSS: 10.0EPSS: 0%CPEs: 3EXPL: 0

14 Feb 2022 — If a document created a sandboxed iframe without allow-scripts, and subsequently appended an element to the iframe's document that e.g. had a JavaScript event handler - the event handler would have run despite the iframe's sandbox. This vulnerability affects Firefox < 97, Thunderbird < 91.6, and Firefox ESR < 91.6. Si un documento creó un iframe en la sandboxed sin allow-scripts y posteriormente agregó un elemento al documento del iframe que, por ejemplo, tenía un controlador de ev... • https://bugzilla.mozilla.org/show_bug.cgi?id=1739957 • CWE-693: Protection Mechanism Failure CWE-829: Inclusion of Functionality from Untrusted Control Sphere •

CVSS: 10.0EPSS: 0%CPEs: 3EXPL: 0

14 Feb 2022 — When a worker is shutdown, it was possible to cause script to run late in the lifecycle, at a point after where it should not be possible. This vulnerability affects Firefox < 96, Thunderbird < 91.6, and Firefox ESR < 91.6. Cuando se apaga un trabajador, era posible hacer que el script se ejecutara tarde en el ciclo de vida, en un punto posterior al que no debería ser posible. Esta vulnerabilidad afecta a Firefox < 96, Thunderbird< 91.6 y Firefox ESR < 91.6. The Mozilla Foundation Security Advisory... • https://bugzilla.mozilla.org/show_bug.cgi?id=1740534 • CWE-94: Improper Control of Generation of Code ('Code Injection') CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition') •

CVSS: 10.0EPSS: 0%CPEs: 3EXPL: 0

14 Feb 2022 — Web-accessible extension pages (pages with a moz-extension:// scheme) were not correctly enforcing the frame-ancestors directive when it was used in the Web Extension's Content Security Policy. This vulnerability affects Firefox < 97, Thunderbird < 91.6, and Firefox ESR < 91.6. Las páginas de extensión accesibles desde la web (páginas con un esquema moz-extension://) no aplicaban correctamente la directiva frame-ancestors cuando se usaba en la Política de seguridad de contenido de la extensión web. Esta vul... • https://bugzilla.mozilla.org/show_bug.cgi?id=1745566 • CWE-693: Protection Mechanism Failure CWE-829: Inclusion of Functionality from Untrusted Control Sphere •

CVSS: 7.8EPSS: 0%CPEs: 3EXPL: 0

14 Feb 2022 — If a user installed an extension of a particular type, the extension could have auto-updated itself and while doing so, bypass the prompt which grants the new version the new requested permissions. This vulnerability affects Firefox < 97, Thunderbird < 91.6, and Firefox ESR < 91.6. Si un usuario instaló una extensión de un tipo particular, la extensión podría haberse actualizado automáticamente y, al hacerlo, omitir el mensaje que otorga a la nueva versión los nuevos permisos solicitados. Esta vulnerabilida... • https://bugzilla.mozilla.org/show_bug.cgi?id=1750565 • CWE-863: Incorrect Authorization CWE-1021: Improper Restriction of Rendered UI Layers or Frames •

CVSS: 7.8EPSS: 0%CPEs: 1EXPL: 0

14 Feb 2022 — Remote Agent, used in WebDriver, did not validate the Host or Origin headers. This could have allowed websites to connect back locally to the user's browser to control it. <br>*This bug only affected Firefox when WebDriver was enabled, which is not the default configuration.*. This vulnerability affects Firefox < 97. El agente remoto, utilizado en WebDriver, no validó los encabezados Host u Origin. • https://bugzilla.mozilla.org/show_bug.cgi?id=1720098 • CWE-345: Insufficient Verification of Data Authenticity CWE-346: Origin Validation Error •

CVSS: 10.0EPSS: 0%CPEs: 3EXPL: 0

14 Feb 2022 — When importing resources using Web Workers, error messages would distinguish the difference between application/javascript responses and non-script responses. This could have been abused to learn information cross-origin. This vulnerability affects Firefox < 97, Thunderbird < 91.6, and Firefox ESR < 91.6. Al importar recursos utilizando Web Workers, los mensajes de error distinguirían la diferencia entre respuestas application/javascript y respuestas sin script. Se podría haber abu... • https://bugzilla.mozilla.org/show_bug.cgi?id=1740985 • CWE-209: Generation of Error Message Containing Sensitive Information CWE-829: Inclusion of Functionality from Untrusted Control Sphere •

CVSS: 10.0EPSS: 0%CPEs: 1EXPL: 0

14 Jan 2022 — Mozilla developers Christian Holler and Jason Kratzer reported memory safety bugs present in Firefox 95. 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 < 96. Los desarrolladores de Mozilla, Christian Holler y Jason Kratzer, informaron sobre errores de seguridad de la memoria presentes en Firefox 95. Algunos de estos errores mostraron evidencia de corrupción de la ... • https://bugzilla.mozilla.org/buglist.cgi?bug_id=1741210%2C1742770 • CWE-787: Out-of-bounds Write •

CVSS: 7.8EPSS: 0%CPEs: 3EXPL: 0

13 Jan 2022 — When inserting text while in edit mode, some characters might have lead to out-of-bounds memory access causing a potentially exploitable crash. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5. Al insertar texto en el modo de edición, es posible que algunos caracteres hayan provocado un acceso a la memoria fuera de los límites, lo que provocó un bloqueo potencialmente explotable. Esta vulnerabilidad afecta a Firefox ESR < 91.5, Firefox < 96 y Thunderbird < 91.5. A... • https://bugzilla.mozilla.org/show_bug.cgi?id=1739923 • CWE-120: Buffer Copy without Checking Size of Input ('Classic Buffer Overflow') CWE-125: Out-of-bounds Read •

CVSS: 7.8EPSS: 0%CPEs: 3EXPL: 0

13 Jan 2022 — Securitypolicyviolation events could have leaked cross-origin information for frame-ancestors violations. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5. Los eventos de violación de la política de seguridad podrían haber filtrado información de origen cruzado sobre violaciones de los ancestros del frame. Esta vulnerabilidad afecta a Firefox ESR &lt; 91.5, Firefox &lt; 96 y Thunderbird &lt; 91.5. A flaw was found in Mozilla. • https://bugzilla.mozilla.org/show_bug.cgi?id=1735856 • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor CWE-829: Inclusion of Functionality from Untrusted Control Sphere •

CVSS: 7.8EPSS: 0%CPEs: 3EXPL: 0

13 Jan 2022 — After accepting an untrusted certificate, handling an empty pkcs7 sequence as part of the certificate data could have lead to a crash. This crash is believed to be unexploitable. This vulnerability affects Firefox ESR < 91.5, Firefox < 96, and Thunderbird < 91.5. Después de aceptar un certificado que no es de confianza, manejar una secuencia pkcs7 vacía como parte de los datos del certificado podría haber provocado un bloqueo. Se cree que este accidente no es explotable. • https://bugzilla.mozilla.org/show_bug.cgi?id=1735028 • CWE-295: Improper Certificate Validation CWE-476: NULL Pointer Dereference •