CVE-2025-13016

High

Description

Incorrect boundary conditions in the JavaScript: WebAssembly component. This vulnerability was fixed in Firefox 145, Firefox ESR 140.5, Thunderbird 145, and Thunderbird 140.5.

SeverityHigh
CVSS7.5
Exploit probability—
ProductMozilla Firefox
PublishedNov 11, 2025
First seenNov 11, 2025
Weakness typeCWE-703CWE-703

How to fix

Update
  • mozilla firefox140.5.0, 145.0 or later

Affected products

ProductAffected versionsFixed in
mozilla firefoxv < 140.5.0, v < 145.0140.5.0, 145.0

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CVE-2025-13016 · Mozilla Firefox · Dark Radar