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OpenAdvisories
High WID-SEC-2025-2275 14 CVEs

Mozilla Firefox: Mehrere Schwachstellen

Published Oct 14, 2025 · Updated Jun 30, 2026 · Revision 24 · de-DE

Vendor: amazon Vendor: Debian Vendor: IGEL Vendor: Mozilla Vendor: Oracle Vendor: Red Hat Vendor: RESF Vendor: SUSE Vendor: Ubuntu Product: Enterprise Linux Product: Firefox Product: Firefox ESR Product: Linux Product: Linux Product: Linux Product: Linux Product: Linux 2 Product: openSUSE Product: OS Product: Rocky Linux Product: Thunderbird Platform: Linux Platform: macOS Platform: Windows

Summary

Ein entfernter, anonymer Angreifer kann mehrere Schwachstellen in Mozilla Firefox, Mozilla Firefox ESR und Mozilla Thunderbird ausnutzen, um Code ausführen, privilegierte Informationen auslesen, Sicherheitsmechanismen umgehen oder Benutzer durch UI-Manipulation täuschen.

Product

Firefox ist ein Open Source Web Browser.
ESR ist die Variante mit verlängertem Support.
Thunderbird ist ein Open Source E-Mail Client.

Vulnerabilities 14

  • Critical 9.8
    CVE-2025-11708

    Use-after-free in MediaTrackGraphImpl::GetInstance()

    Use-after-free in MediaTrackGraphImpl::GetInstance(). This vulnerability was fixed in Firefox 144, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4.

    Mozilla Firefox Thunderbird thunderbird Browsers Debian Ubuntu Wolfi
  • Critical 9.8
    CVE-2025-11709

    Out of bounds read/write in a privileged process triggered by WebGL textures

    A compromised web process was able to trigger out of bounds reads and writes in a more privileged process using manipulated WebGL textures. This vulnerability was fixed in Firefox 144, Firefox ESR 115.29, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 14…

    Mozilla Firefox Thunderbird thunderbird Browsers Debian Ubuntu Wolfi
  • Critical 9.8
    CVE-2025-11710

    Cross-process information leaked due to malicious IPC messages

    A compromised web process using malicious IPC messages could have caused the privileged browser process to reveal blocks of its memory to the compromised process. This vulnerability was fixed in Firefox 144, Firefox ESR 115.29, Firefox ESR 140.4, Thunderbird …

    Mozilla Firefox Thunderbird thunderbird Browsers Debian Ubuntu Wolfi
  • Critical 9.8
    CVE-2025-11719

    Use-after-free caused by the native messaging web extension API on Windows

    Starting in Thunderbird 143, the use of the native messaging API by web extensions on Windows could lead to crashes caused by use-after-free memory corruption. This vulnerability was fixed in Firefox 144 and Thunderbird 144.

    Mozilla Firefox Thunderbird mozjs38 Browsers Ubuntu Wolfi
  • Critical 9.8
    CVE-2025-11721

    Memory safety bug fixed in Firefox 144 and Thunderbird 144

    Memory safety bug present in Firefox 143 and Thunderbird 143. This bug showed evidence of memory corruption and we presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 144 and Thunderbir…

    Mozilla Firefox Thunderbird mozjs38 Browsers Ubuntu Wolfi
  • Critical 9.1
    CVE-2025-11717

    The password edit screen was not hidden in Android card view

    When switching between Android apps using the card carousel Firefox shows a black screen as its card image when a password-related screen was the last one being used. Prior to Firefox 144 the password edit screen was visible. This vulnerability was fixed in F…

    Mozilla Firefox mozjs38 mozjs52 Browsers Ubuntu Wolfi
  • High 8.8
    CVE-2025-11714

    Memory safety bugs fixed in Firefox ESR 115.29, Firefox ESR 140.4, Thunderbird ESR 140.4, Firefox 144 and Thunderbird 144

    Memory safety bugs present in Firefox ESR 115.28, Firefox ESR 140.3, Thunderbird ESR 140.3, Firefox 143 and Thunderbird 143. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited…

    Mozilla Firefox Thunderbird thunderbird Browsers Debian Ubuntu Wolfi
  • High 8.8
    CVE-2025-11715

    Memory safety bugs fixed in Firefox ESR 140.4, Thunderbird ESR 140.4, Firefox 144 and Thunderbird 144

    Memory safety bugs present in Firefox ESR 140.3, Thunderbird ESR 140.3, Firefox 143 and Thunderbird 143. 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 co…

    Mozilla Firefox Thunderbird thunderbird Browsers Debian Ubuntu Wolfi
  • High 8.1
    CVE-2025-11713

    Potential user-assisted code execution in “Copy as cURL” command

    Insufficient escaping in the “Copy as cURL” feature could have been used to trick a user into executing unexpected code on Windows. This did not affect the application when running on other operating systems. This vulnerability was fixed in Firefox 144, Firef…

    Mozilla Firefox Thunderbird thunderbird Browsers Ubuntu Wolfi
  • High 8.1
    CVE-2025-11720

    Spoofing risk in Android custom tabs

    The Firefox and Firefox Focus UI for the Android custom tab feature only showed the "site" that was loaded, not the full hostname. User supplied content hosted on a subdomain of a site could have been used to fool a user into thinking it was content from a di…

    Mozilla Firefox mozjs38 mozjs52 Browsers Ubuntu Wolfi
  • Medium 6.5
    CVE-2025-11711

    Some non-writable Object properties could be modified

    There was a way to change the value of JavaScript Object properties that were supposed to be non-writeable. This vulnerability was fixed in Firefox 144, Firefox ESR 115.29, Firefox ESR 140.4, Thunderbird 144, and Thunderbird 140.4.

    Mozilla Firefox Thunderbird thunderbird Browsers Debian Ubuntu Wolfi
  • Medium 6.5
    CVE-2025-11716

    Sandboxed iframes allowed links to open in external apps (Android only)

    Links in a sandboxed iframe could open an external app on Android without the required "allow-" permission. This vulnerability was fixed in Firefox 144 and Thunderbird 144.

    Mozilla Firefox Thunderbird mozjs38 Browsers Ubuntu Wolfi
  • Medium 6.5
    CVE-2025-11718

    Address bar could be spoofed on Android using visibilitychange

    When the address bar was hidden due to scrolling on Android, a malicious page could create a fake address bar to fool the user in response to a visibilitychange event. This vulnerability was fixed in Firefox 144.

    Mozilla Firefox mozjs38 mozjs52 Browsers Ubuntu Wolfi
  • Medium 6.1
    CVE-2025-11712

    An OBJECT tag type attribute overrode browser behavior on web resources without a content-type

    A malicious page could have used the type attribute of an OBJECT tag to override the default browser behavior when encountering a web resource served without a content-type. This could have contributed to an XSS on a site that unsafely serves files without a …

    Mozilla Firefox Thunderbird thunderbird Browsers Debian Ubuntu Wolfi

Revision history

  1. #24

    Neue Updates von Oracle Linux aufgenommen

  2. #23

    Neue Updates von Oracle Linux aufgenommen

  3. #22

    Neue Updates von Oracle Linux aufgenommen

  4. #21

    Neue Updates von Oracle Linux aufgenommen

  5. #20

    Neue Updates von Oracle Linux aufgenommen

  6. #19

    Neue Updates von Rocky Enterprise Software Foundation aufgenommen

  7. #18

    Neue Updates von Ubuntu aufgenommen

  8. #17

    Neue Updates von Oracle Linux aufgenommen

  9. #16

    Neue Updates von SUSE aufgenommen

  10. #15

    Neue Updates von openSUSE aufgenommen

  11. #14

    Neue Updates von IGEL aufgenommen

  12. #13

    Neue Updates von Red Hat aufgenommen

  13. #12

    Neue Updates von SUSE aufgenommen

  14. #11

    Neue Updates von Red Hat aufgenommen

  15. #10

    Neue Updates von Red Hat aufgenommen

  16. #9

    Neue Updates von Rocky Enterprise Software Foundation, SUSE und Amazon aufgenommen

  17. #8

    Neue Updates von Rocky Enterprise Software Foundation, Debian und SUSE aufgenommen

  18. #7

    Neue Updates von Oracle Linux aufgenommen

  19. #6

    Neue Updates von Red Hat und Rocky Enterprise Software Foundation aufgenommen

  20. #5

    Neue Updates von Oracle Linux und Red Hat aufgenommen

  21. #4

    Neue Updates von openSUSE, Rocky Enterprise Software Foundation und Red Hat aufgenommen

  22. #3

    Neue Updates von Oracle Linux aufgenommen

  23. #2

    Neue Updates von Red Hat, openSUSE und Debian aufgenommen

  24. #1

    Initiale Fassung

References