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CVE PROGRAM SOURCE RECORD9.8 Critical

CVE-2025-8028

Large branch table could lead to truncated instruction

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Status
Published
Published
Updated
Assigning organization
mozilla

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

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Mozilla Firefox

  • 115.26 to ≤ 115.*unaffected
  • 128.13 to ≤ 128.*unaffected
  • 140.1 to ≤ 140.*unaffected
  • 141 to ≤ *unaffected

Mozilla Thunderbird

  • 128.13 to ≤ 128.*unaffected
  • 140.1 to ≤ 140.*unaffected
  • 141 to ≤ *unaffected

References