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6.5 Medium

CVE-2025-0242 Memory safety bugs present in Firefox 133, Thunderbird 133, Firefox ESR 115.18, Firefox ESR 128.5, Thunderbird 115.18,…

Description

Memory safety bugs present in Firefox 133, Thunderbird 133, Firefox ESR 115.18, Firefox ESR 128.5, Thunderbird 115.18, and Thunderbird 128.5. 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 was fixed in Firefox 134, Firefox ESR 128.6, Firefox ESR 115.19, Thunderbird 134, and Thunderbird 128.6.

Affected products and versions

Product Affected versions Fixed in
Firefox 134 earliest → < 134 134
Firefox 128.6 earliest → < 128.6 128.6
Firefox 115.19 earliest → < 115.19 115.19
Firefox ESR 115.19 earliest → < 115.19 115.19
Thunderbird 134 earliest → < 134 134
Thunderbird 128.6 earliest → < 128.6 128.6

References

Timeline

  1. Published
  2. Last modified

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