CVE-2009-4129

NONECVSS 0.0Trending — 3 sources updated this week

0.0

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.

CVSS v3: —
EG Score: 0.0(none)
EPSS: 58.9%
KEV: Not listed

Published

December 14, 2009

Last Modified

April 23, 2026

References (8)

cve@mitrehttp://archives.neohapsis.com/archives/bugtraq/2009-12/0104.html
cve@mitrehttp://securitytracker.com/id?1023287
cve@mitrehttp://www.securityfocus.com/bid/37230
cve@mitrehttps://exchange.xforce.ibmcloud.com/vulnerabilities/54611
af854a3a-2127-422b-91ae-364da2661108http://archives.neohapsis.com/archives/bugtraq/2009-12/0104.html
af854a3a-2127-422b-91ae-364da2661108http://securitytracker.com/id?1023287
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/37230
af854a3a-2127-422b-91ae-364da2661108https://exchange.xforce.ibmcloud.com/vulnerabilities/54611

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-362Concurrent Execution using Shared Resource with Improper Synchronization (Race Condition)

Data Freshness Timeline

(refreshed 14× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:10 UTCepss_batch
2026-06-02 20:10 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 00:13 UTCepss_batch
2026-05-31 00:13 UTCepss_batch
2026-05-30 14:20 UTCEG score recompute
2026-05-30 14:20 UTCGHSA enrichment
2026-05-29 13:40 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-26 07:16 UTCepss_batch

Frequently asked(4)

What is CVE-2009-4129?

CVE-2009-4129 is a none vulnerability published on December 14, 2009. 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.

When was CVE-2009-4129 disclosed?

CVE-2009-4129 was first published in the National Vulnerability Database on December 14, 2009, with the most recent update on April 23, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2009-4129 actively exploited?

CVE-2009-4129 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 58.9% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2009-4129?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2009-4129, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

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CVE-2009-4129

📅 Published

🔄 Last Modified

🔗 References (8)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(4)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2009-4129?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (8)

Frequently asked(4)

Related CVEs(same CWE)