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CVE PROGRAM SOURCE RECORD7.5 High

CVE-2026-6758

Use-after-free in the JavaScript: WebAssembly component

Description

Use-after-free in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.

Affected products

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

Mozilla Firefox

  • 150 to ≤ *unaffected

Mozilla Thunderbird

  • 150 to ≤ *unaffected

References