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Vulnerabilidades de firefox

Vulnerabilidades publicadas para firefox en los últimos 30 días: 0. Incluidas en el catálogo KEV: 0.

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Vulnerabilidades: 714

  1. CVE-2025-1943

    Alta · CVSS 8.2EPSS 0,43%Corrección disponible

    Memory safety bugs fixed in Firefox 136 and Thunderbird 136

    Memory safety bugs present in Firefox 135 and Thunderbird 135. 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 was fixed in Firefox 136 and Thunderbird 136.

    • Actualiza a 136.0+build3-0ubuntu0.20.04.1
    Publicación Actualización
  2. CVE-2025-1938

    Media · CVSS 6.5EPSS 0,34%Corrección disponible

    Memory safety bugs fixed in Firefox 136, Thunderbird 136, Firefox ESR 128.8, and Thunderbird 128.8

    Memory safety bugs present in Firefox 135, Thunderbird 135, Firefox ESR 128.7, and Thunderbird 128.7. 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 was fixed in Firefox 136, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8.

    • Actualiza a 136.0+build3-0ubuntu0.20.04.1
    Publicación Actualización
  3. CVE-2025-1937

    Alta · CVSS 7.5EPSS 0,56%Corrección disponible

    Memory safety bugs fixed in Firefox 136, Thunderbird 136, Firefox ESR 115.21, Firefox ESR 128.8, and Thunderbird 128.8

    Memory safety bugs present in Firefox 135, Thunderbird 135, Firefox ESR 115.20, Firefox ESR 128.7, and Thunderbird 128.7. 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 was fixed in Firefox 136, Firefox ESR 115.21, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8.

    • Actualiza a 136.0+build3-0ubuntu0.20.04.1
    Publicación Actualización
  4. CVE-2025-1936

    Alta · CVSS 7.3EPSS 0,45%Corrección disponible

    Adding %00 and a fake extension to a jar: URL changed the interpretation of the contents

    jar: URLs retrieve local file content packaged in a ZIP archive. The null and everything after it was ignored when retrieving the content from the archive, but the fake extension after the null was used to determine the type of content. This could have been used to hide code in a web extension disguised as something else like an image. This vulnerability was fixed in Firefox 136, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8.

    • Actualiza a 136.0+build3-0ubuntu0.20.04.1
    Publicación Actualización
  5. CVE-2025-1935

    Media · CVSS 4.3EPSS 0,34%Corrección disponible

    Clickjacking the registerProtocolHandler info-bar

    A web page could trick a user into setting that site as the default handler for a custom URL protocol. This vulnerability was fixed in Firefox 136, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8.

    • Actualiza a 136.0+build3-0ubuntu0.20.04.1
    Publicación Actualización
  6. CVE-2025-1942

    Crítica · CVSS 9.8EPSS 0,48%Corrección disponible

    Disclosure of uninitialized memory when .toUpperCase() causes string to get longer

    When String.toUpperCase() caused a string to get longer it was possible for uninitialized memory to be incorporated into the result string. This vulnerability was fixed in Firefox 136 and Thunderbird 136.

    • Actualiza a 136.0+build3-0ubuntu0.20.04.1
    Publicación Actualización
  7. CVE-2025-1934

    Media · CVSS 6.5EPSS 0,45%Corrección disponible

    Unexpected GC during RegExp bailout processing

    It was possible to interrupt the processing of a RegExp bailout and run additional JavaScript, potentially triggering garbage collection when the engine was not expecting it. This vulnerability was fixed in Firefox 136, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8.

    • Actualiza a 136.0+build3-0ubuntu0.20.04.1
    Publicación Actualización
  8. CVE-2025-1933

    Alta · CVSS 7.6EPSS 0,32%Corrección disponible

    JIT corruption of WASM i32 return values on 64-bit CPUs

    On 64-bit CPUs, when the JIT compiles WASM i32 return values they can pick up bits from left over memory. This can potentially cause them to be treated as a different type. This vulnerability was fixed in Firefox 136, Firefox ESR 115.21, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8.

    • Actualiza a 136.0+build3-0ubuntu0.20.04.1
    Publicación Actualización
  9. CVE-2025-1932

    Alta · CVSS 8.1EPSS 0,42%Corrección disponible

    Inconsistent comparator in XSLT sorting led to out-of-bounds access

    An inconsistent comparator in xslt/txNodeSorter could have resulted in potentially exploitable out-of-bounds access. Only affected version 122 and later. This vulnerability was fixed in Firefox 136, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8.

    • Actualiza a 136.0+build3-0ubuntu0.20.04.1
    Publicación Actualización
  10. CVE-2025-1931

    Alta · CVSS 7.5EPSS 0,54%Corrección disponible

    Use-after-free in WebTransportChild

    It was possible to cause a use-after-free in the content process side of a WebTransport connection, leading to a potentially exploitable crash. This vulnerability was fixed in Firefox 136, Firefox ESR 115.21, Firefox ESR 128.8, Thunderbird 136, and Thunderbird 128.8.

    • Actualiza a 136.0+build3-0ubuntu0.20.04.1
    Publicación Actualización
  11. CVE-2025-1414

    Media · CVSS 6.5EPSS 0,45%Corrección disponible

    Memory safety bugs fixed in Firefox 135.0.1

    Memory safety bugs present in Firefox 135. 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 was fixed in Firefox 135.0.1.

    • Actualiza a 136.0+build3-0ubuntu0.20.04.1
    Publicación Actualización
  12. CVE-2025-1020

    Crítica · CVSS 9.8EPSS 0,54%Corrección disponible

    Memory safety bugs fixed in Firefox 135 and Thunderbird 135

    Memory safety bugs present in Firefox 134 and Thunderbird 134. 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 was fixed in Firefox 135 and Thunderbird 135.

    • Actualiza a 135.0+build2-0ubuntu0.20.04.1
    Publicación Actualización
  13. CVE-2025-1017

    Crítica · CVSS 9.8EPSS 0,58%Corrección disponible

    Memory safety bugs fixed in Firefox 135, Thunderbird 135, Firefox ESR 128.7, and Thunderbird 128.7

    Memory safety bugs present in Firefox 134, Thunderbird 134, Firefox ESR 128.6, and Thunderbird 128.6. 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 was fixed in Firefox 135, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135.

    • Actualiza a 135.0+build2-0ubuntu0.20.04.1
    Publicación Actualización
  14. CVE-2025-1016

    Crítica · CVSS 9.8EPSS 0,59%Corrección disponible

    Memory safety bugs fixed in Firefox 135, Thunderbird 135, Firefox ESR 115.20, Firefox ESR 128.7, Thunderbird 115.20, and Thunderbird 128.7

    Memory safety bugs present in Firefox 134, Thunderbird 134, Firefox ESR 115.19, Firefox ESR 128.6, Thunderbird 115.19, and Thunderbird 128.6. 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 was fixed in Firefox 135, Firefox ESR 115.20, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135.

    • Actualiza a 135.0+build2-0ubuntu0.20.04.1
    Publicación Actualización
  15. CVE-2025-1014

    Alta · CVSS 8.8EPSS 0,39%Corrección disponible

    Certificate length was not properly checked

    Certificate length was not properly checked when added to a certificate store. In practice only trusted data was processed. This vulnerability was fixed in Firefox 135, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135.

    • Actualiza a 135.0+build2-0ubuntu0.20.04.1
    Publicación Actualización
  16. CVE-2025-1013

    Media · CVSS 6.5EPSS 0,33%Corrección disponible

    Potential opening of private browsing tabs in normal browsing windows

    A race condition could have led to private browsing tabs being opened in normal browsing windows. This could have resulted in a potential privacy leak. This vulnerability was fixed in Firefox 135, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135.

    • Actualiza a 135.0+build2-0ubuntu0.20.04.1
    Publicación Actualización
  17. CVE-2025-1019

    Media · CVSS 4.3EPSS 0,36%Corrección disponible

    Fullscreen notification not properly displayed

    The z-order of the browser windows could be manipulated to hide the fullscreen notification. This could potentially be leveraged to perform a spoofing attack. This vulnerability was fixed in Firefox 135 and Thunderbird 135.

    • Actualiza a 135.0+build2-0ubuntu0.20.04.1
    Publicación Actualización
  18. CVE-2025-1012

    Crítica · CVSS 9.8EPSS 0,45%Corrección disponible

    Use-after-free during concurrent delazification

    A race during concurrent delazification could have led to a use-after-free. This vulnerability was fixed in Firefox 135, Firefox ESR 115.20, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135.

    • Actualiza a 135.0+build2-0ubuntu0.20.04.1
    Publicación Actualización
  19. CVE-2025-1011

    Crítica · CVSS 9.8EPSS 0,63%Corrección disponible

    A bug in WebAssembly code generation could result in a crash

    A bug in WebAssembly code generation could have lead to a crash. It may have been possible for an attacker to leverage this to achieve code execution. This vulnerability was fixed in Firefox 135, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135.

    • Actualiza a 135.0+build2-0ubuntu0.20.04.1
    Publicación Actualización
  20. CVE-2025-1018

    Alta · CVSS 7.3EPSS 0,42%Corrección disponible

    Fullscreen notification is not displayed when fullscreen is re-requested

    The fullscreen notification is prematurely hidden when fullscreen is re-requested quickly by the user. This could have been leveraged to perform a potential spoofing attack. This vulnerability was fixed in Firefox 135 and Thunderbird 135.

    • Actualiza a 135.0+build2-0ubuntu0.20.04.1
    Publicación Actualización

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