CVEvulnerability

CVE-2019-9821

8.1 HIGH Published 2019-07-23 Modified 2026-06-17 Official page ↗
Status
Modified
Published
2019-07-23
Last modified
2026-06-17
Assigner
[email protected]
CVSS 3.0 ([email protected])
8.1 HIGH — CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
CVSS 2.0 ([email protected])
6.8 MEDIUM — AV:N/AC:M/Au:N/C:P/I:P/A:P
Weaknesses
CWE-362, CWE-416

Description

A use-after-free vulnerability can occur in AssertWorkerThread due to a race condition with shared workers. This results in a potentially exploitable crash. This vulnerability affects Firefox < 67.

Affected configurations

• mozilla firefox (< 67.0)

Related

Weakness · CWE (2)

  • CWE-362 Concurrent Execution using Shared Resource with Improper Synchronization weakness
  • CWE-416 Use After Free weakness

References