CVE-2025-3028 — Use After Free in Mozilla Firefox

CWE-416 — Use After Free13 documents8 sources
Severity
6.5MEDIUMNVD
EPSS
0.7%
top 27.61%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
2
Mozilla ThunderbirdMozilla Firefox
Timeline
PublishedApr 1
Latest updateJul 22

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.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:LExploitability: 3.9 | Impact: 2.5

Affected Packages3 packages

▶NVDmozilla/firefox116.0 — 128.9.0+2
▶NVDmozilla/thunderbird129.0 — 137.0+1
▶Debianmozilla/thunderbird< 1:128.9.0esr-1~deb11u1+3

🔴Vulnerability Details

3
GHSA
GHSA-p5r8-47qx-x497: JavaScript code running while transforming a document with the XSLTProcessor could lead to a use-after-free↗2025-04-01
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CVEList
Use-after-free triggered by XSLTProcessor↗2025-04-01
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OSV
CVE-2025-3028: JavaScript code running while transforming a document with the XSLTProcessor could lead to a use-after-free↗2025-04-01
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📋Vendor Advisories

8
Ubuntu
Thunderbird vulnerabilities↗2025-07-22
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Red Hat
firefox: thunderbird: Use-after-free triggered by XSLTProcessor↗2025-04-01
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Debian
CVE-2025-3028: firefox - JavaScript code running while transforming a document with the XSLTProcessor cou...↗2025
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Mozilla
Mozilla Foundation Security Advisory 2025-22: CVE-2025-3028↗
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Mozilla
Mozilla Foundation Security Advisory 2025-21: CVE-2025-3028↗
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CVE-2025-3028 — Use After Free in Mozilla Firefox | cvebase