CRITICALCVSS v3.1 10.0Actively exploited · CISA KEV since 2022-05-23Vulnerability

CVE-2019-11708

Mozilla Firefox and Thunderbird contain a sandbox escape vulnerability that could result in remote code execution.

Properties

Euvd product
Thunderbird, Firefox, Firefox ESR
Vulnerability name
Mozilla Firefox and Thunderbird Sandbox Escape Vulnerability
First seen
2025-10-21T23:45:33+00:00
Cvss score
10
Epss score
0.55874
Last seen
2026-10-19T12:00:27+00:00
Due date
2022-06-13
Euvd assigner
mozilla
Retrieved at
2026-10-21T01:24:47+00:00
Exploited euvd since
2022-05-23T00:00:00+00:00
Src batch id
epss_history-20261020T103617Z-728ddd
Source url
https://epss.empiricalsecurity.com/epss_scores-2026-10-19.csv.gz
Date added
2022-05-23
Score
10
Euvd base score version
3.1
Fetched at
2026-10-20T10:36:20+00:00
Euvd vendor
Mozilla
Cvss vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
In Signal since
initial import (Sep 2026)
Euvd base score
10

Related Entities (6)

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CVE-2019-11708 (CVSS v3.1 10) — Ninja Signal Threat Intelligence | Ninja Signal