CVE-2025-3028

Medium

Description

JavaScript code running while transforming a document with the XSLTProcessor could lead to a use-after-free. This vulnerability was fixed in Firefox 137, Firefox ESR 115.22, Firefox ESR 128.9, Thunderbird 137, and Thunderbird 128.9.

SeverityMedium
CVSS6.5
Exploit probability—
ProductMozilla Firefox
PublishedApr 1, 2025
First seenApr 1, 2025

How to fix

Update
  • mozilla firefox115.22.0, 137.0, 128.9.0 or later
  • mozilla thunderbird128.9.0 or later

Affected products

ProductAffected versionsFixed in
mozilla firefoxv < 115.22.0, v < 137.0, 116.0 ≤ v < 128.9.0115.22.0, 137.0, 128.9.0
mozilla thunderbirdv < 128.9.0, 129.0 ≤ v ≤ 137.0128.9.0

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CVE-2025-3028 · Mozilla Firefox · Dark Radar