CVE-2007-0009

NONECVSS 0.0Elevated
0.0
EchelonGraph verdictPatch this weekExploitation is likely or a public exploit exists.
  • High exploitation likelihood — EPSS 50%
CISA-KEV: Not listedEPSS: 50%CVSS: —Exploit: NoneExposed: 0

A fix is available — apply it.

Stack-based buffer overflow in the SSLv2 support in Mozilla Network Security Services (NSS) before 3.11.5, as used by Firefox before 1.5.0.10 and 2.x before 2.0.0.2, Thunderbird before 1.5.0.10, SeaMonkey before 1.0.8, and certain Sun Java System server products before 20070611, allows remote attackers to execute arbitrary code via invalid "Client Master Key" length values.

CVSS v3
—
EG Score
0.0(none)
EPSS
98.8%
KEV
Not listed

Published

February 26, 2007

Last Modified

April 23, 2026

References (132)

Patch Availability(5)

Vendor / EcosystemFixed in / PatchReleasedSource
redhatyelp-0:2.16.0-14.0.1.el52007-03-14redhat
redhatthunderbird-0:1.5.0.10-1.el52007-03-14redhat
redhatthunderbird-0:1.5.0.10-0.1.el42007-03-02redhat
redhatseamonkey-0:1.0.8-0.2.el42007-02-24redhat
redhatfirefox-0:1.5.0.10-0.1.el42007-02-23redhat

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.

Weakness Classification(1)

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

All Vendor Advisories

(5)

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 1× in last 7d / 27× 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. 2026-07-08 15:09 UTCEPSS rescore
  2. 2026-07-04 06:27 UTCEPSS rescore
  3. 2026-07-04 06:26 UTCEPSS rescore
  4. 2026-07-02 14:00 UTCEPSS rescore
  5. 2026-07-01 15:02 UTCEPSS rescore
  6. 2026-07-01 15:02 UTCEPSS rescore
  7. 2026-06-30 23:18 UTCEPSS rescore
  8. 2026-06-28 04:52 UTCEPSS rescore
  9. 2026-06-25 13:46 UTCEPSS rescore
  10. 2026-06-25 13:46 UTCEPSS rescore
  11. 2026-06-24 14:02 UTCEPSS rescore
  12. 2026-06-24 14:01 UTCEPSS rescore
  13. 2026-06-23 21:29 UTCEPSS rescore
  14. 2026-06-23 21:29 UTCEPSS rescore
  15. 2026-06-21 01:56 UTCEPSS rescore
  16. 2026-06-21 01:56 UTCEPSS rescore
  17. 2026-06-21 01:56 UTCEPSS rescore
  18. 2026-06-18 17:49 UTCEPSS rescore
  19. 2026-06-18 17:49 UTCEPSS rescore
  20. 2026-06-17 17:49 UTCEPSS rescore
  21. 2026-06-17 17:49 UTCEPSS rescore
  22. 2026-06-16 17:49 UTCEPSS rescore
  23. 2026-06-16 17:49 UTCEPSS rescore
  24. 2026-06-15 17:44 UTCEPSS rescore
  25. 2026-06-13 22:57 UTCEPSS rescore
Show 32 more
  1. 2026-06-13 22:57 UTCEPSS rescore
  2. 2026-06-12 23:08 UTCEPSS rescore
  3. 2026-06-06 13:44 UTCEPSS rescore
  4. 2026-06-06 13:44 UTCEPSS rescore
  5. 2026-06-05 22:44 UTCEPSS rescore
  6. 2026-06-05 22:44 UTCEPSS rescore
  7. 2026-06-04 13:09 UTCEPSS rescore
  8. 2026-06-04 13:09 UTCEPSS rescore
  9. 2026-06-02 20:10 UTCEPSS rescore
  10. 2026-06-02 20:10 UTCEPSS rescore
  11. 2026-05-31 22:28 UTCEPSS rescore
  12. 2026-05-31 22:28 UTCEPSS rescore
  13. 2026-05-31 04:06 UTCEG score recompute
  14. 2026-05-31 04:06 UTCVendor advisory
  15. 2026-05-31 04:06 UTCGHSA enrichment
  16. 2026-05-31 00:13 UTCEPSS rescore
  17. 2026-05-31 00:13 UTCEPSS rescore
  18. 2026-05-29 13:40 UTCEPSS rescore
  19. 2026-05-28 13:42 UTCEPSS rescore
  20. 2026-05-28 13:42 UTCEPSS rescore
  21. 2026-05-27 13:37 UTCEPSS rescore
  22. 2026-05-27 13:37 UTCEPSS rescore
  23. 2026-05-26 13:41 UTCEPSS rescore
  24. 2026-05-26 13:41 UTCEPSS rescore
  25. 2026-05-22 21:15 UTCEPSS rescore
  26. 2026-05-22 21:15 UTCEPSS rescore
  27. 2026-05-22 21:15 UTCEPSS rescore
  28. 2026-05-21 22:38 UTCEPSS rescore
  29. 2026-05-20 11:20 UTCEPSS rescore
  30. 2026-05-20 11:20 UTCEPSS rescore
  31. 2026-05-18 21:29 UTCEPSS rescore
  32. 2026-05-18 21:29 UTCEPSS rescore

Related CVEs(same vendor + same CWE)

Frequently asked(4)

What is CVE-2007-0009?
CVE-2007-0009 is a none vulnerability published on February 26, 2007. Stack-based buffer overflow in the SSLv2 support in Mozilla Network Security Services (NSS) before 3.11.5, as used by Firefox before 1.5.0.10 and 2.x before 2.0.0.2, Thunderbird before 1.5.0.10, SeaMonkey before 1.0.8, and certain Sun Java System server products before 20070611, allows remote…
When was CVE-2007-0009 disclosed?
CVE-2007-0009 was first published in the National Vulnerability Database on February 26, 2007, 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-2007-0009 actively exploited?
CVE-2007-0009 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 98.8% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.
How do I remediate CVE-2007-0009?
Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2007-0009, 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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