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Vulnérabilités de thunderbird · Page n° 23

Vulnérabilités publiées pour thunderbird au cours des 30 derniers jours : 258. Présentes dans le catalogue KEV : 0.

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Vulnérabilités : 1303

  5. CVE-2026-6749

    Élevée · CVSS 7.5EPSS 0,4%Correctif 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.

    thunderbirdSystèmes d’exploitation
    • Mettez à jour vers 1:140.10.0esr-1~deb13u1
    Publication Mise à jour
    Avis original 1 ↗Avis original 2 ↗Avis original 3 ↗

  9. CVE-2026-5734

    Élevée · CVSS 8.1EPSS 0,33%Correctif 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.

    thunderbirdSystèmes d’exploitation
    • Mettez à jour vers 1:140.9.1esr-1~deb13u1
    Publication Mise à jour
    Avis original 1 ↗Avis original 2 ↗Avis original 3 ↗

  10. CVE-2026-5732

    Élevée · CVSS 8.8EPSS 0,35%Correctif 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.

    thunderbirdSystèmes d’exploitation
    • Mettez à jour vers 1:140.9.1esr-1~deb13u1
    Publication Mise à jour
    Avis original 1 ↗Avis original 2 ↗Avis original 3 ↗

  11. CVE-2026-5731

    Critique · CVSS 9.8EPSS 0,34%Correctif 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.

    thunderbirdSystèmes d’exploitation
    • Mettez à jour vers 1:140.9.1esr-1~deb13u1
    Publication Mise à jour
    Avis original 1 ↗Avis original 2 ↗Avis original 3 ↗

  13. CVE-2026-4371

    Élevée · CVSS 7.4EPSS 0,37%Correctif 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.

    thunderbirdSystèmes d’exploitation
    • Mettez à jour vers 1:140.9.0esr-1~deb13u1
    Publication Mise à jour
    Avis original 1 ↗Avis original 2 ↗Avis original 3 ↗

  15. CVE-2026-4721

    Critique · CVSS 9.8EPSS 0,44%Correctif 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.

    thunderbirdSystèmes d’exploitation
    • Mettez à jour vers 1:140.9.0esr-1~deb13u1
    Publication Mise à jour
    Avis original 1 ↗Avis original 2 ↗Avis original 3 ↗

  16. CVE-2026-4720

    Critique · CVSS 9.8EPSS 0,44%Correctif 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.

    thunderbirdSystèmes d’exploitation
    • Mettez à jour vers 1:140.9.0esr-1~deb13u1
    Publication Mise à jour
    Avis original 1 ↗Avis original 2 ↗Avis original 3 ↗

  20. CVE-2026-4716

    Critique · CVSS 9.1EPSS 0,42%Correctif 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.

    thunderbirdSystèmes d’exploitation
    • Mettez à jour vers 1:140.9.0esr-1~deb13u1
    Publication Mise à jour
    Avis original 1 ↗Avis original 2 ↗Avis original 3 ↗

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