Security Advisory

CVE-2025-8028

CVE vulnerability detail — eXtreme Datacenter Security Operations

Published 2025-07-22 20:49:24

Last updated 2026-04-13 14:26:48

Assigner mozilla

State 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.

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