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CVE-2025-8028

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CVE-2025-8028

Published: Jul 22, 2025

Modified: Apr 13, 2026

PUBLISHED

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.

VendorProductVersions

Mozilla

Firefox

unaffected
115.26 - <= 115.*
unaffected
128.13 - <= 128.*
unaffected
140.1 - <= 140.*
unaffected
141 - <= *

Mozilla

Thunderbird

unaffected
128.13 - <= 128.*
unaffected
140.1 - <= 140.*
unaffected
141 - <= *

References

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