CVE-2025-11711

Summary

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.

Affected Software

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

• SSVC:
• Exploitation: none
  • Automatable: no
  • Technical Impact: partial

CVE Program Container

Additional References

• https://lists.debian.org/debian-lts-announce/2025/10/msg00031.html
• https://lists.debian.org/debian-lts-announce/2025/10/msg00015.html

References

• https://bugzilla.mozilla.org/show_bug.cgi?id=1989978
• https://www.mozilla.org/security/advisories/mfsa2025-81/
• https://www.mozilla.org/security/advisories/mfsa2025-82/
• https://www.mozilla.org/security/advisories/mfsa2025-83/
• https://www.mozilla.org/security/advisories/mfsa2025-84/
• https://www.mozilla.org/security/advisories/mfsa2025-85/

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