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6.5 Medium

CVE-2025-11711 There was a way to change the value of JavaScript Object properties that were supposed to be non-writeable

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 and versions

Product Affected versions Fixed in
Firefox 144 earliest → < 144 144
Firefox 140.4 earliest → < 140.4 140.4
Firefox 115.29 earliest → < 115.29 115.29
Firefox ESR 140.4 earliest → < 140.4 140.4
Thunderbird 144 earliest → < 144 144
Thunderbird 140.4 earliest → < 140.4 140.4

References

Timeline

  1. Published
  2. Last modified

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