CVEvulnerability

CVE-2019-11708

10.0 CRITICAL Known exploited Published 2019-07-23 Modified 2026-06-17 Official page ↗

CISA Known Exploited Vulnerability

Mozilla Firefox and Thunderbird Sandbox Escape Vulnerability — Mozilla Firefox and Thunderbird

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

Added to KEV
2022-05-23
Remediation due
2022-06-13
Ransomware use
Unknown
Required action
Apply updates per vendor instructions.
Notes
https://nvd.nist.gov/vuln/detail/CVE-2019-11708
Status
Analyzed
Published
2019-07-23
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.1 ([email protected])
10.0 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
10.0 CRITICAL — CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
CVSS 2.0 ([email protected])
10.0 HIGH — AV:N/AC:L/Au:N/C:C/I:C/A:C
Weaknesses
CWE-20

Description

Insufficient vetting of parameters passed with the Prompt:Open IPC message between child and parent processes can result in the non-sandboxed parent process opening web content chosen by a compromised child process. When combined with additional vulnerabilities this could result in executing arbitrary code on the user's computer. This vulnerability affects Firefox ESR < 60.7.2, Firefox < 67.0.4, and Thunderbird < 60.7.2.

Affected configurations

• mozilla firefox (< 60.7.2) • mozilla firefox (< 67.0.4) • mozilla thunderbird (< 60.7.2)

Related

Weakness · CWE (1)

  • CWE-20 Improper Input Validation weakness

References