CVE-2025-0239
April 3, 2025, 4:29 p.m.
4.0
Low
Description
When using Alt-Svc, ALPN did not properly validate certificates when the original server is redirecting to an insecure site. This vulnerability affects Firefox < 134, Firefox ESR < 128.6, Thunderbird < 134, and Thunderbird < 128.6.
Product(s) Impacted
| Vendor | Product | Versions |
|---|---|---|
| Mozilla |
|
|
Weaknesses
Common security weaknesses mapped to this vulnerability.
CWE-295
Improper Certificate Validation
The product does not validate, or incorrectly validates, a certificate.
*CPE(s)
Affected systems and software identified for this CVE.
| Type | Vendor | Product | Version | Update | Edition | Language | Software Edition | Target Software | Target Hardware | Other Information |
|---|---|---|---|---|---|---|---|---|---|---|
| a | mozilla | firefox | / | / | / | / | esr | / | / | / |
| a | mozilla | firefox | / | / | / | / | / | / | / | / |
| a | mozilla | thunderbird | / | / | / | / | / | / | / | / |
| a | mozilla | thunderbird | / | / | / | / | / | / | / | / |
Tags
CVSS Score
CVSS Data - 3.1
- Attack Vector: LOCAL
- Attack Complexity: LOW
- Privileges Required: NONE
- Scope: UNCHANGED
- Confidentiality Impact: NONE
- Integrity Impact: LOW
- Availability Impact: NONE
CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N
Timeline
Published: Jan. 7, 2025, 4:15 p.m.
Last Modified: April 3, 2025, 4:29 p.m.
Last Modified: April 3, 2025, 4:29 p.m.
Status : Analyzed
CVE has had analysis completed and all data associations made.
More infoSource
security@mozilla.org
*Disclaimer: Some vulnerabilities do not have an associated CPE. To enhance the data, we use AI to infer CPEs based on CVE details. This is an automated process and might not always be accurate.