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Vulnerabilidades de thunderbird · Página 23

Vulnerabilidades publicadas para thunderbird en los últimos 30 días: 258. Incluidas en el catálogo KEV: 0.

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Vulnerabilidades: 1318

  1. CVE-2026-6749

    Alta · CVSS 7.5EPSS 0,4%Corrección disponible

    Information disclosure due to uninitialized memory in the Graphics: Canvas2D component

    Information disclosure due to uninitialized memory in the Graphics: Canvas2D component. This vulnerability was fixed in Firefox 150, Firefox ESR 115.35, Firefox ESR 140.10, Thunderbird 150, and Thunderbird 140.10.

    • Actualiza a 1:140.10.0esr-1~deb12u1
    Publicación Actualización
  2. CVE-2026-5734

    Alta · CVSS 8.1EPSS 0,33%Corrección disponible

    Memory safety bugs fixed in Firefox ESR 140.9.1, Thunderbird ESR 140.9.1, Firefox 149.0.2 and Thunderbird 149.0.2

    Memory safety bugs present in Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. 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 149.0.2, Firefox ESR 140.9.1, Thunderbird 149.0.2, and Thunderbird 140.9.1.

    • Actualiza a 1:140.9.1esr-1~deb12u1
    Publicación Actualización
  3. CVE-2026-5732

    Alta · CVSS 8.8EPSS 0,35%Corrección disponible

    Incorrect boundary conditions, integer overflow in the Graphics: Text component

    Incorrect boundary conditions, integer overflow in the Graphics: Text component. This vulnerability was fixed in Firefox 149.0.2, Firefox ESR 140.9.1, Thunderbird 149.0.2, and Thunderbird 140.9.1.

    • Actualiza a 1:140.9.1esr-1~deb12u1
    Publicación Actualización
  4. CVE-2026-5731

    Crítica · CVSS 9.8EPSS 0,34%Corrección disponible

    Memory safety bugs fixed in Firefox ESR 115.34.1, Firefox ESR 140.9.1, Thunderbird ESR 140.9.1, Firefox 149.0.2 and Thunderbird 149.0.2

    Memory safety bugs present in Firefox ESR 115.34.0, Firefox ESR 140.9.0, Thunderbird ESR 140.9.0, Firefox 149.0.1 and Thunderbird 149.0.1. 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 149.0.2, Firefox ESR 115.34.1, Firefox ESR 140.9.1, Thunderbird 149.0.2, and Thunderbird 140.9.1.

    • Actualiza a 1:140.9.1esr-1~deb12u1
    Publicación Actualización
  5. CVE-2026-4371

    Alta · CVSS 7.4EPSS 0,37%Corrección disponible

    Out of bounds read in IMAP parsing

    A malicious mail server could send malformed strings with negative lengths, causing the parser to read memory outside the buffer. If a mail server or connection to a mail server were compromised, an attacker could cause the parser to malfunction, potentially crashing Thunderbird or leaking sensitive data. This vulnerability was fixed in Thunderbird 149 and Thunderbird 140.9.

    • Actualiza a 1:140.9.0esr-1~deb12u1
    Publicación Actualización
  6. CVE-2026-4721

    Crítica · CVSS 9.8EPSS 0,44%Corrección disponible

    Memory safety bugs fixed in Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149

    Memory safety bugs present in Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148. 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 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

    • Actualiza a 1:140.9.0esr-1~deb12u1
    Publicación Actualización
  7. CVE-2026-4720

    Crítica · CVSS 9.8EPSS 0,44%Corrección disponible

    Memory safety bugs fixed in Firefox ESR 140.9, Thunderbird ESR 140.9, Firefox 149 and Thunderbird 149

    Memory safety bugs present in Firefox ESR 140.8, Thunderbird ESR 140.8, Firefox 148 and Thunderbird 148. 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 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

    • Actualiza a 1:140.9.0esr-1~deb12u1
    Publicación Actualización
  8. CVE-2026-4716

    Crítica · CVSS 9.1EPSS 0,42%Corrección disponible

    Incorrect boundary conditions, uninitialized memory in the JavaScript Engine component

    Incorrect boundary conditions, uninitialized memory in the JavaScript Engine component. This vulnerability was fixed in Firefox 149, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.

    • Actualiza a 1:140.9.0esr-1~deb12u1
    Publicación Actualización

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