Vulnerability · NVD

CVE-2025-4083

CVE-2025-4083, critical severity (CVSS 9.1): 2 tracked apps concerned, all fixed or indeterminable on their current version.

Severity (CVSS): 9.1
Exploitation: 0.5 %
Tracked apps: 2
Still exposed: 0

Published on 2025-04-29

A process isolation vulnerability in Thunderbird stemmed from improper handling of javascript: URIs, which could allow content to execute in the top-level document's process instead of the intended frame, potentially enabling a sandbox escape. This vulnerability was fixed in Firefox 138, Firefox ESR 128.10, Firefox ESR 115.23, Thunderbird 138, and Thunderbird 128.10.

Attack vector : Network No privileges required No user interaction

Show raw CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N

EPSS 0.45% exploit very unlikely percentile 36.7%

Tracked apps referencing this CVE

For each app: the affected range, the fixing version, and where the tracked app stands today.

Mozilla Firefox Windows winget:Mozilla.Firefox

Affected <115.23 Fixed in 115.23 Latest tracked 157.0 patched

Observed affected builds (57)

115.0.3 115.0.2 115.0.1 115.0 114.0.2 114.0.1 113.0.2 113.0.1 113.0 112.0.2 112.0.1 112.0 111.0.1 111.0 110.0.1 110.0 109.0.1 109.0 108.0.2 108.0.1 108.0 107.0.1 107.0 106.0.5 106.0.4 106.0.3 106.0.2 106.0.1 106.0 105.0.3 +27 · see history
Mozilla Thunderbird Windows winget:Mozilla.Thunderbird

Affected <128.10.0 Fixed in 128.10.0 Latest tracked 157.0 patched

Observed affected builds (87)

115.14.0 115.13.0 115.12.2 115.12.1 115.11.1 115.11.0 115.10.2 115.10.1 115.10.0 115.9.0 115.8.1 115.8.0 115.7.0 115.6.1 115.6.0 115.5.2 115.5.1 115.4.2 115.4.1 115.3.3 115.3.2 115.3.1 115.3.0 115.2.3 115.2.2 115.0 102.15.0 102.14.0 102.13.0 102.12.0 +57 · see history

Vulnerable CPE configurations (5)

Vendor	Product	Platform	Versions	CPE 2.3 URI
mozilla	firefox All platforms (wildcard)	All platforms (wildcard)	<115.23	cpe:2.3:a:mozilla:firefox:::::esr:::*
mozilla	firefox All platforms (wildcard)	All platforms (wildcard)	<138.0	cpe:2.3:a:mozilla:firefox:::::-:::*
mozilla	firefox All platforms (wildcard)	All platforms (wildcard)	≥128.0 <128.10	cpe:2.3:a:mozilla:firefox:::::esr:::*
mozilla	thunderbird All platforms (wildcard)	All platforms (wildcard)	<128.10.0	cpe:2.3:a:mozilla:thunderbird:::::esr:::*
mozilla	thunderbird All platforms (wildcard)	All platforms (wildcard)	<138.0	cpe:2.3:a:mozilla:thunderbird:::::-:::*

View on NVD ↗ Advisory · www.mozilla.org

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