CVE-2025-3028

MEDIUM
2025-04-01 [email protected]
6.5
CVSS 3.1
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CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L
Attack Vector
Network
Attack Complexity
Low
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
Low

Lifecycle Timeline

4
Patch Released
Apr 05, 2026 - 20:30 nvd
Patch available
Analysis Generated
Mar 28, 2026 - 18:34 vuln.today
PoC Detected
Nov 03, 2025 - 20:18 vuln.today
Public exploit code
CVE Published
Apr 01, 2025 - 13:15 nvd
MEDIUM 6.5

Tags

Use After Free Memory Corruption Information Disclosure Mozilla Firefox Thunderbird Redhat Suse

Description

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

Analysis

JavaScript code running while transforming a document with the XSLTProcessor could lead to a use-after-free. Rated medium severity (CVSS 6.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

Technical Context

This vulnerability is classified as Use After Free (CWE-416), which allows attackers to access freed memory to execute arbitrary code or crash the application. JavaScript code running while transforming a document with the XSLTProcessor could lead to a use-after-free. This vulnerability affects Firefox < 137, Firefox ESR < 115.22, Firefox ESR < 128.9, Thunderbird < 137, and Thunderbird < 128.9. Affected products include: Mozilla Firefox, Mozilla Thunderbird.

Affected Products

Mozilla Firefox, Mozilla Thunderbird.

Remediation

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Use smart pointers or garbage-collected languages. Set pointers to NULL after freeing. Enable memory sanitizers.

Priority Score

53
Low Medium High Critical
KEV: 0
EPSS: +0.7
CVSS: +32
POC: +20

Vendor Status

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CVE-2025-3028 vulnerability details – vuln.today
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