Certificate length was not properly checked when added to a certificate store. In practice only trusted data was processed. This vulnerability was fixed in Firefox 135, Firefox ESR 128.7, Thunderbird 128.7, and Thunderbird 135.
References
| Link | Resource |
|---|---|
| https://bugzilla.mozilla.org/show_bug.cgi?id=1940804 | Permissions Required |
| https://www.mozilla.org/security/advisories/mfsa2025-07/ | Vendor Advisory |
| https://www.mozilla.org/security/advisories/mfsa2025-09/ | Vendor Advisory |
| https://www.mozilla.org/security/advisories/mfsa2025-10/ | Vendor Advisory |
| https://www.mozilla.org/security/advisories/mfsa2025-11/ | Vendor Advisory |
| https://lists.debian.org/debian-lts-announce/2025/02/msg00006.html |
Configurations
Configuration 1 (hide)
|
History
05 Oct 2026, 15:10
| Type | Values Removed | Values Added |
|---|---|---|
| Summary | (es) La longitud del certificado no se comprobaba correctamente al añadirlo a un almacén de certificados. En la práctica, solo se procesaban los datos de confianza. Esta vulnerabilidad afecta a Firefox menor que 135, Firefox ESR menor que 128.7, Thunderbird menor que 128.7 y Thunderbird menor que 135. |
30 Sep 2026, 19:10
| Type | Values Removed | Values Added |
|---|---|---|
| Summary | (es) La longitud del certificado no se comprobaba correctamente al añadirlo a un almacén de certificados. En la práctica, solo se procesaban los datos de confianza. Esta vulnerabilidad afecta a Firefox < 135, Firefox ESR < 128.7, Thunderbird < 128.7 y Thunderbird < 135. |
Information
Published : 2025-02-04 14:15
Updated : 2026-10-05 15:10
NVD link : CVE-2025-1014
Mitre link : CVE-2025-1014
CVE.ORG link : CVE-2025-1014
JSON object : View
Products Affected
mozilla
- firefox
- thunderbird
CWE
CWE-295
Improper Certificate Validation