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9.8 Critical

CVE-2025-8028 On arm64, a WASM `br_table` instruction with a lot of entries could lead to the label being too far from the instruction…

Description

On arm64, a WASM `br_table` instruction with a lot of entries could lead to the label being too far from the instruction causing truncation and incorrect computation of the branch address. This vulnerability was fixed in Firefox 141, Firefox ESR 115.26, Firefox ESR 128.13, Firefox ESR 140.1, Thunderbird 141, Thunderbird 128.13, and Thunderbird 140.1.

Affected products and versions

Product Affected versions Fixed in
Firefox 141 earliest → < 141 141
Firefox 140.1 earliest → < 140.1 140.1
Firefox 128.13 earliest → < 128.13 128.13
Firefox 115.26 earliest → < 115.26 115.26
Firefox ESR 140.1 earliest → < 140.1 140.1
Thunderbird 141 earliest → < 141 141
Thunderbird 140.1 earliest → < 140.1 140.1
Thunderbird 128.13 earliest → < 128.13 128.13

References

Timeline

  1. Published
  2. Last modified

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