Vulnerability details

CVE-2025-1014

Certificate length was not properly checked

CVSS 3.1
8.8High

Official description

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.

CVSS scores

ScoreVersionSourceVector
8.8High 3.1 CISA ADP / Vulnrichment (CISA-ADP) CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

VendorProductVersionsSource
No product information recorded.

References and advisories

6
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Details

Published
2025-02-04
Last updated
2026-04-13
State
Published
Assigner (CNA)
mozilla

Exploit prediction (EPSS)

0.39%
Probability of exploitation in 30 days
33.3%
Percentile (among all CVEs)

SSVC assessment (CISA)

Automatable
No
Exploitation
None
Technical impact
Partial

Weaknesses (CWE)

  • CWE-295
    Improper Certificate Validation