CVE-2006-3677

NONECVSS 0.0Weaponized
0.0
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • High exploitation likelihood — EPSS 78%
CISA-KEV: Not listedEPSS: 78%CVSS: —Exploit: NoneExposed: 0

A fix is available — apply it.

Mozilla Firefox 1.5 before 1.5.0.5 and SeaMonkey before 1.0.3 allows remote attackers to execute arbitrary code by changing certain properties of the window navigator object (window.navigator) that are accessed when Java starts up, which causes a crash that leads to code execution.

CVSS v3
—
EG Score
0.0(none)
EPSS
99.5%
KEV
Not listed

Published

July 27, 2006

Last Modified

April 16, 2026

References (94)

Patch Availability(6)

Vendor / EcosystemFixed in / PatchReleasedSource
ubuntufirefox (1.5.dfsg+1.5.0.5-0ubuntu6.06) @ dapper2026-05-31ubuntu
redhatpatch2006-08-28redhat
redhatseamonkey-0:1.0.3-0.el4.12006-08-02redhat
redhatthunderbird-0:1.5.0.5-0.el4.12006-07-29redhat
redhatfirefox-0:1.5.0.5-0.el4.12006-07-28redhat
redhatseamonkey-0:1.0.3-0.el3.12006-07-27redhat

Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.

All Vendor Advisories

(6)

Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.

Data Freshness Timeline

(refreshed 2× in last 7d / 18× in last 30d)

Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.

  1. 2026-07-13 22:25 UTCEPSS rescore
  2. 2026-07-11 08:22 UTCEPSS rescore
  3. 2026-07-04 06:26 UTCEPSS rescore
  4. 2026-07-01 15:01 UTCEPSS rescore
  5. 2026-06-29 14:02 UTCEPSS rescore
  6. 2026-06-29 14:02 UTCEPSS rescore
  7. 2026-06-25 13:46 UTCEPSS rescore
  8. 2026-06-24 14:01 UTCEPSS rescore
  9. 2026-06-24 14:01 UTCEPSS rescore
  10. 2026-06-23 21:29 UTCEPSS rescore
  11. 2026-06-23 21:29 UTCEPSS rescore
  12. 2026-06-21 01:56 UTCEPSS rescore
  13. 2026-06-17 17:49 UTCEPSS rescore
  14. 2026-06-17 17:49 UTCEPSS rescore
  15. 2026-06-16 17:49 UTCEPSS rescore
  16. 2026-06-16 17:49 UTCEPSS rescore
  17. 2026-06-15 17:44 UTCEPSS rescore
  18. 2026-06-14 23:13 UTCEPSS rescore
  19. 2026-06-12 23:08 UTCEPSS rescore
  20. 2026-06-11 13:55 UTCEPSS rescore
  21. 2026-06-10 22:14 UTCEPSS rescore
  22. 2026-06-10 13:17 UTCEPSS rescore
  23. 2026-06-06 13:44 UTCEPSS rescore
  24. 2026-06-06 13:44 UTCEPSS rescore
  25. 2026-06-05 22:43 UTCEPSS rescore
Show 24 more
  1. 2026-06-05 06:07 UTCEPSS rescore
  2. 2026-06-05 06:07 UTCEPSS rescore
  3. 2026-06-04 13:09 UTCEPSS rescore
  4. 2026-06-04 13:09 UTCEPSS rescore
  5. 2026-06-02 20:10 UTCEPSS rescore
  6. 2026-06-02 20:10 UTCEPSS rescore
  7. 2026-06-01 13:49 UTCEPSS rescore
  8. 2026-06-01 13:49 UTCEPSS rescore
  9. 2026-06-01 13:49 UTCEPSS rescore
  10. 2026-05-31 22:28 UTCEPSS rescore
  11. 2026-05-31 07:29 UTCEG score recompute
  12. 2026-05-31 07:29 UTCVendor advisory
  13. 2026-05-31 07:29 UTCGHSA enrichment
  14. 2026-05-29 13:40 UTCEPSS rescore
  15. 2026-05-28 13:42 UTCEPSS rescore
  16. 2026-05-28 13:42 UTCEPSS rescore
  17. 2026-05-27 13:37 UTCEPSS rescore
  18. 2026-05-27 13:37 UTCEPSS rescore
  19. 2026-05-22 21:15 UTCEPSS rescore
  20. 2026-05-22 21:15 UTCEPSS rescore
  21. 2026-05-21 22:38 UTCEPSS rescore
  22. 2026-05-20 22:36 UTCEPSS rescore
  23. 2026-05-20 22:36 UTCEPSS rescore
  24. 2026-05-18 21:29 UTCEPSS rescore

Publicly available exploits

(4 references)

Working exploit code is in the public domain (1 Metasploit module) (3 Exploit-DB entries). Defenders should treat patch urgency accordingly — public PoCs typically lead to mass-exploitation within 24-72 hours.

  • Exploit-DBEDB-16300✓ verified
    First seen Sep 20, 2010

    Mozilla Suite/Firefox - Navigator Object Code Execution (Metasploit)

    Open source ↗
  • Exploit-DBEDB-2082✓ verified
    First seen Jul 28, 2006

    Mozilla Firefox 1.5.0.4 - JavaScript Navigator Object Code Execution

    Open source ↗
  • Exploit-DBEDB-9946✓ verified
    First seen Jul 25, 2006

    Mozilla Suite/Firefox < 1.5.0.5 - Navigator Object Code Execution (Metasploit)

    Open source ↗
  • Metasploitexploit/multi/browser/mozilla_navigatorjava✓ verified
    First seen Jul 25, 2006

    Mozilla Suite/Firefox Navigator Object Code Execution

    Open source ↗

Frequently asked(4)

What is CVE-2006-3677?
CVE-2006-3677 is a none vulnerability published on July 27, 2006. Mozilla Firefox 1.5 before 1.5.0.5 and SeaMonkey before 1.0.3 allows remote attackers to execute arbitrary code by changing certain properties of the window navigator object (window.navigator) that are accessed when Java starts up, which causes a crash that leads to code execution.
When was CVE-2006-3677 disclosed?
CVE-2006-3677 was first published in the National Vulnerability Database on July 27, 2006, with the most recent update on April 16, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.
Is CVE-2006-3677 actively exploited?
CVE-2006-3677 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 99.5% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2006-3677?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2006-3677, 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.

Dependency Blast Radius

Explore the affected products and dependency analysis for CVE-2006-3677

Explore →

Is Your Infrastructure Affected by CVE-2006-3677?

EchelonGraph automatically scans your cloud infrastructure and maps CVE exposure using blast radius analysis.

Start Free Scan →Browse All CVEs