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CVE PROGRAM SOURCE RECORD6.5 Medium

CVE-2025-11711

Some non-writable Object properties could be modified

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Status
Published
Published
Updated
Assigning organization
mozilla

Description

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 products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Mozilla Firefox

  • 115.29 to ≤ 115.*unaffected
  • 140.4 to ≤ 140.*unaffected
  • 144 to ≤ *unaffected

Mozilla Thunderbird

  • 140.4 to ≤ 140.*unaffected
  • 144 to ≤ *unaffected

References