VULNERABILITY INTELLIGENCE
CVE-2009-4129
CVSS score5.8 MEDIUM
EPSS probability0.75%
CISA KEVNot currently listed
Published2009-12-14
Last modified2026-06-16
CVSS vectorAV:N/AC:M/Au:N/C:N/I:P/A:P
Description
Race condition in Mozilla Firefox allows remote attackers to produce a JavaScript message with a spoofed domain association by writing the message in between the document request and document load for a web page in a different domain.
Weakness classification
- CWE-362: Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')