8.8

CVE-2025-4919

Media report

An attacker was able to perform an out-of-bounds read or write on a JavaScript object by confusing array index sizes. This vulnerability affects Firefox < 138.0.4, Firefox ESR < 128.10.1, Firefox ESR < 115.23.1, Thunderbird < 128.10.2, and Thunderbird < 138.0.2.

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Data is provided by the National Vulnerability Database (NVD)
Mozilla ≫ Firefox SwEditionesr Version < 115.23.1
Mozilla ≫ Firefox SwEdition- Version < 138.0.4
Mozilla ≫ Firefox SwEditionesr Version >= 116.0 < 128.10.1
Mozilla ≫ Thunderbird Version < 128.10.2
Mozilla ≫ Thunderbird SwEdition- Version >= 138.0 < 138.0.2
Zu dieser CVE wurde keine CISA KEV oder CERT.AT-Warnung gefunden.
EPSS Metriken
Type Source Score Percentile
EPSS FIRST.org 0.05% 0.17
CVSS Metriken
Source Base Score Exploit Score Impact Score Vector string
134c704f-9b21-4f2e-91b3-4a467353bcc0 8.8 2.8 5.9
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE-125 Out-of-bounds Read

The product reads data past the end, or before the beginning, of the intended buffer.

CWE-787 Out-of-bounds Write

The product writes data past the end, or before the beginning, of the intended buffer.