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Sicherheitslücken in firefox-esr · Seite 47

In den letzten 30 Tagen veröffentlichte Sicherheitslücken für firefox-esr: 206. Davon im KEV-Katalog: 0.

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Sicherheitslücken: 1358

  1. CVE-2021-38507

    Mittel · CVSS 6.5EPSS 0,83%Korrektur verfügbar

    CVE-2021-38507

    The Opportunistic Encryption feature of HTTP2 (RFC 8164) allows a connection to be transparently upgraded to TLS while retaining the visual properties of an HTTP connection, including being same-origin with unencrypted connections on port 80. However, if a second encrypted port on the same IP address (e.g. port 8443) did not opt-in to opportunistic encryption; a network attacker could forward a connection from the browser to port 443 to port 8443, causing the browser to treat the content of port 8443 as same-origin with HTTP. This was resolved by disabling the Opportunistic Encryption feature, which had low usage. This vulnerability affects F

    • Auf 91.3.0esr-1 aktualisieren
    Veröffentlicht Aktualisiert
  2. CVE-2021-38508

    Mittel · CVSS 4.3EPSS 1,64%Korrektur verfügbar

    CVE-2021-38508

    By displaying a form validity message in the correct location at the same time as a permission prompt (such as for geolocation), the validity message could have obscured the prompt, resulting in the user potentially being tricked into granting the permission. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.

    • Auf 91.3.0esr-1 aktualisieren
    Veröffentlicht Aktualisiert
  3. CVE-2021-38509

    Mittel · CVSS 4.3EPSS 1,76%Korrektur verfügbar

    CVE-2021-38509

    Due to an unusual sequence of attacker-controlled events, a Javascript alert() dialog with arbitrary (although unstyled) contents could be displayed over top an uncontrolled webpage of the attacker's choosing. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.

    • Auf 91.3.0esr-1 aktualisieren
    Veröffentlicht Aktualisiert
  4. CVE-2021-43534

    Hoch · CVSS 8.8EPSS 1,25%Korrektur verfügbar

    CVE-2021-43534

    Mozilla developers and community members reported memory safety bugs present in Firefox 93 and Firefox ESR 91.2. 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 < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.

    • Auf 91.3.0esr-1 aktualisieren
    Veröffentlicht Aktualisiert
  5. CVE-2021-43535

    Hoch · CVSS 8.8EPSS 1,15%Korrektur verfügbar

    CVE-2021-43535

    A use-after-free could have occured when an HTTP2 session object was released on a different thread, leading to memory corruption and a potentially exploitable crash. This vulnerability affects Firefox < 93, Thunderbird < 91.3, and Firefox ESR < 91.3.

    • Auf 91.3.0esr-1 aktualisieren
    Veröffentlicht Aktualisiert
  6. CVE-2021-43538

    Mittel · CVSS 4.3EPSS 1,24%Korrektur verfügbar

    CVE-2021-43538

    By misusing a race in our notification code, an attacker could have forcefully hidden the notification for pages that had received full screen and pointer lock access, which could have been used for spoofing attacks. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.

    • Auf 91.4.0esr-1 aktualisieren
    Veröffentlicht Aktualisiert
  7. CVE-2021-43539

    Hoch · CVSS 8.8EPSS 1,73%Korrektur verfügbar

    CVE-2021-43539

    Failure to correctly record the location of live pointers across wasm instance calls resulted in a GC occurring within the call not tracing those live pointers. This could have led to a use-after-free causing a potentially exploitable crash. This vulnerability affects Thunderbird < 91.4.0, Firefox ESR < 91.4.0, and Firefox < 95.

    • Auf 91.4.0esr-1 aktualisieren
    Veröffentlicht Aktualisiert
  8. CVE-2021-38493

    Hoch · CVSS 8.8EPSS 1,24%Korrektur verfügbar

    CVE-2021-38493

    Mozilla developers reported memory safety bugs present in Firefox 91 and Firefox ESR 78.13. 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 < 78.14, Thunderbird < 78.14, and Firefox < 92.

    • Auf 78.14.0esr-1 aktualisieren
    Veröffentlicht Aktualisiert
  9. CVE-2021-38496

    Hoch · CVSS 8.8EPSS 1,66%Korrektur verfügbar

    CVE-2021-38496

    During operations on MessageTasks, a task may have been removed while it was still scheduled, resulting in memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93.

    • Auf 91.2.0esr-1 aktualisieren
    Veröffentlicht Aktualisiert
  10. CVE-2021-38500

    Hoch · CVSS 8.8EPSS 1,27%Korrektur verfügbar

    CVE-2021-38500

    Mozilla developers reported memory safety bugs present in Firefox 92 and Firefox ESR 91.1. 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 affects Thunderbird < 78.15, Thunderbird < 91.2, Firefox ESR < 91.2, Firefox ESR < 78.15, and Firefox < 93.

    • Auf 91.2.0esr-1 aktualisieren
    Veröffentlicht Aktualisiert
  11. CVE-2021-29984

    Hoch · CVSS 8.8EPSS 1,39%Korrektur verfügbar

    CVE-2021-29984

    Instruction reordering resulted in a sequence of instructions that would cause an object to be incorrectly considered during garbage collection. This led to memory corruption and a potentially exploitable crash. This vulnerability affects Thunderbird < 78.13, Thunderbird < 91, Firefox ESR < 78.13, and Firefox < 91.

    • Auf 78.13.0esr-1 aktualisieren
    Veröffentlicht Aktualisiert

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