Vulnerabilidades

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Vulnerabilidades nuevas2829▼ 255 respecto a la semana anterior
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Sin puntuar (sin CVSS)214▼ 107 respecto a la semana anterior
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2189 resultados, ordenados por fecha de publicación (más recientes primero)

CVEEstadoSeveridadEPSS Explotación activaTecnologías afectadasPublicada ▼Modificada Descripción
ModificadaMedia (6.5)0.74%—Mozilla FirefoxMozilla Firefox ESRMozilla ThunderbirdDebian Linux5/7/202317/6/2026
A website could have obscured the fullscreen notification by using a URL with a scheme handled by an external program, such as a mailto URL. This could have led to user confusion and possible spoofing attacks. This vulnerability affects Firefox < 115, Firefox ESR < 102.13, and Thunderbird < 102.13.
ModificadaAlta (8.8)0.76%—Mozilla FirefoxMozilla Firefox ESRMozilla ThunderbirdDebian Linux5/7/202317/6/2026
Cross-compartment wrappers wrapping a scripted proxy could have caused objects from other compartments to be stored in the main compartment resulting in a use-after-free. This vulnerability affects Firefox < 115, Firefox ESR < 102.13, and Thunderbird < 102.13.
ModificadaAlta (8.8)0.76%—Mozilla FirefoxMozilla Firefox ESRMozilla ThunderbirdDebian Linux5/7/202317/6/2026
An attacker could have triggered a use-after-free condition when creating a WebRTC connection over HTTPS. This vulnerability affects Firefox < 115, Firefox ESR < 102.13, and Thunderbird < 102.13.
ModificadaMedia (5.4)0.47%—Ladybirdweb Faveo Helpdesk24/6/202317/6/2026
Faveo Helpdesk Enterprise version 6.0.1 allows an attacker with agent permissions to perform privilege escalation on the application. This occurs because the application is vulnerable to stored XSS.
ModificadaCrítica (9.8)0.93%—Mozilla FirefoxMozilla Firefox ESRMozilla Thunderbird19/6/202317/6/2026
Memory safety bugs present in Firefox 113, Firefox ESR 102.11, and Thunderbird 102.12. 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 ESR < 102.12, Firefox < 114, and…
ModificadaBaja (3.1)0.90%—Mozilla FirefoxMozilla Firefox ESRMozilla Thunderbird19/6/202317/6/2026
The error page for sites with invalid TLS certificates was missing the activation-delay Firefox uses to protect prompts and permission dialogs from attacks that exploit human response time delays. If a malicious page elicited user clicks in precise locations immediately before navigating to a site with a certificate…
ModificadaMedia (6.5)0.58%—Mozilla FirefoxMozilla Firefox ESRMozilla Thunderbird19/6/202317/6/2026
Similar to CVE-2023-28163, this time when choosing 'Save Link As', suggested filenames containing environment variable names would have resolved those in the context of the current user. *This bug only affects Firefox and Thunderbird on Windows. Other versions of Firefox and Thunderbird are unaffected.* This…
ModificadaCrítica (9.8)0.94%—Mozilla FirefoxMozilla Firefox ESRMozilla Thunderbird19/6/202317/6/2026
A newline in a filename could have been used to bypass the file extension security mechanisms that replace malicious file extensions such as .lnk with .download. This could have led to accidental execution of malicious code. *This bug only affects Firefox and Thunderbird on Windows. Other versions of Firefox and…
ModificadaAlta (7.5)0.92%—Mozilla FirefoxMozilla Firefox ESRMozilla Thunderbird19/6/202317/6/2026
Protocol handlers `ms-cxh` and `ms-cxh-full` could have been leveraged to trigger a denial of service. *Note: This attack only affects Windows. Other operating systems are not affected.* This vulnerability affects Firefox < 113, Firefox ESR < 102.11, and Thunderbird < 102.11.
ModificadaMedia (5.5)0.18%—Mozilla FirefoxMozilla Firefox ESRMozilla Thunderbird19/6/202317/6/2026
A local attacker can trick the Mozilla Maintenance Service into applying an unsigned update file by pointing the service at an update file on a malicious SMB server. The update file can be replaced after the signature check, before the use, because the write-lock requested by the service does not work on a SMB server.…
ModificadaCrítica (9.8)0.97%—Mozilla FirefoxMozilla Firefox ESRMozilla Thunderbird19/6/202317/6/2026
An attacker could have caused an out of bounds memory access using WebGL APIs, leading to memory corruption and a potentially exploitable crash. *This bug only affects Firefox and Thunderbird for macOS. Other operating systems are unaffected.* This vulnerability affects Firefox < 112, Firefox ESR < 102.10, and…
ModificadaAlta (8.8)0.75%—Mozilla FirefoxMozilla Firefox ESRMozilla Thunderbird2/6/202317/6/2026
Mozilla developers and community members Gabriele Svelto, Andrew Osmond, Emily McDonough, Sebastian Hengst, Andrew McCreight and the Mozilla Fuzzing Team reported memory safety bugs present in Firefox 112 and Firefox ESR 102.10. Some of these bugs showed evidence of memory corruption and we presume that with enough…
ModificadaAlta (8.8)0.75%—Mozilla FirefoxMozilla Firefox ESRMozilla Thunderbird2/6/202317/6/2026
When reading a file, an uninitialized value could have been used as read limit. This vulnerability affects Firefox < 113, Firefox ESR < 102.11, and Thunderbird < 102.11.
ModificadaMedia (4.3)0.65%—Mozilla FirefoxMozilla Firefox ESRMozilla Thunderbird2/6/202317/6/2026
An attacker could have positioned a `datalist` element to obscure the address bar. This vulnerability affects Firefox < 113, Firefox ESR < 102.11, and Thunderbird < 102.11.
ModificadaMedia (6.5)0.74%—Mozilla FirefoxMozilla Firefox ESRMozilla Thunderbird2/6/202317/6/2026
A type checking bug would have led to invalid code being compiled. This vulnerability affects Firefox < 113, Firefox ESR < 102.11, and Thunderbird < 102.11.
ModificadaAlta (8.8)0.73%—Mozilla FirefoxMozilla Firefox ESRMozilla Thunderbird2/6/202317/6/2026
A missing delay in popup notifications could have made it possible for an attacker to trick a user into granting permissions. This vulnerability affects Firefox < 113, Firefox ESR < 102.11, and Thunderbird < 102.11.
ModificadaMedia (6.5)0.70%—Mozilla FirefoxMozilla Firefox ESRMozilla Thunderbird2/6/202317/6/2026
An out-of-bound read could have led to a crash in the RLBox Expat driver. This vulnerability affects Firefox < 113, Firefox ESR < 102.11, and Thunderbird < 102.11.
ModificadaMedia (4.3)0.63%—Mozilla FirefoxMozilla Firefox ESRMozilla Thunderbird2/6/202317/6/2026
In multiple cases browser prompts could have been obscured by popups controlled by content. These could have led to potential user confusion and spoofing attacks. This vulnerability affects Firefox < 113, Firefox ESR < 102.11, and Thunderbird < 102.11.
ModificadaAlta (8.8)0.70%—Mozilla FirefoxMozilla Firefox ESRMozilla Firefox MobileMozilla Focus+12/6/202319/8/2026
Memory safety bugs present in Firefox 111 and Firefox ESR 102.9. 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 < 112, Focus for Android < 112, Firefox ESR < 102.10, Firefox…
ModificadaMedia (6.5)0.69%—Mozilla FirefoxMozilla Firefox ESRMozilla Firefox MobileMozilla Focus+12/6/202319/8/2026
A wrong lowering instruction in the ARM64 Ion compiler resulted in a wrong optimization result. This vulnerability affects Firefox < 112, Focus for Android < 112, Firefox ESR < 102.10, Firefox for Android < 112, and Thunderbird < 102.10.
ModificadaAlta (8.8)0.74%—Mozilla FirefoxMozilla Firefox ESRMozilla Firefox MobileMozilla Focus+12/6/202319/8/2026
Firefox did not properly handle downloads of files ending in <code>.desktop</code>, which can be interpreted to run attacker-controlled commands. <br>*This bug only affects Firefox for Linux on certain Distributions. Other operating systems are unaffected, and Mozilla is unable to enumerate all affected Linux…
ModificadaAlta (8.8)0.74%—Mozilla FirefoxMozilla Firefox ESRMozilla Firefox MobileMozilla Focus+12/6/202319/8/2026
When handling the filename directive in the Content-Disposition header, the filename would be truncated if the filename contained a NULL character. This could have led to reflected file download attacks potentially tricking users to install malware. This vulnerability affects Firefox < 112, Focus for Android < 112,…
ModificadaAlta (8.8)0.70%—Mozilla FirefoxMozilla Firefox ESRMozilla Firefox MobileMozilla Focus+12/6/202319/8/2026
An attacker could cause the memory manager to incorrectly free a pointer that addresses attacker-controlled memory, resulting in an assertion, memory corruption, or a potentially exploitable crash. This vulnerability affects Firefox < 112, Focus for Android < 112, Firefox ESR < 102.10, Firefox for Android < 112, and…
ModificadaMedia (6.5)0.75%—Mozilla FirefoxMozilla Firefox ESRMozilla Firefox MobileMozilla Focus+12/6/202319/8/2026
Following a Garbage Collector compaction, weak maps may have been accessed before they were correctly traced. This resulted in memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 112, Focus for Android < 112, Firefox ESR < 102.10, Firefox for Android < 112, and Thunderbird <…
ModificadaMedia (4.3)0.57%—Mozilla FirefoxMozilla Firefox ESRMozilla Firefox MobileMozilla Focus+12/6/202319/8/2026
A website could have obscured the fullscreen notification by using a combination of <code>window.open</code>, fullscreen requests, <code>window.name</code> assignments, and <code>setInterval</code> calls. This could have led to user confusion and possible spoofing attacks. This vulnerability affects Firefox < 112,…