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CVE-2009-3984
Mozilla Firefox before 3.0.16 and 3.5.x before 3.5.6, and SeaMonkey before 2.0.1, allows remote attackers to spoof an SSL indicator for an…
- 6.8MediumCVSS base score
- 2.2%Exploitation in 30 daysEPSS · top 17% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
Mozilla Firefox before 3.0.16 and 3.5.x before 3.5.6, and SeaMonkey before 2.0.1, allows remote attackers to spoof an SSL indicator for an http URL or a file URL by setting document.location to an https URL corresponding to a site that responds with a No Content (aka 204) status code and an empty body.
Timeline
ID reserved
By mitre
- 28 days later
· 28 days later
Published
- 15 years later
· 15 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
- EPSS (exploitation in 30 days)
- 2.2% · top 17% of all CVEs (11 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 6.8.
Affected products
n/a
- affected n/a
References
References27
- 1023343 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 37704 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 37699 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- oval:org.mitre.oval:def:8379 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- 1023342 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- ADV-2009-3547 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- 37703 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 37881 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- FEDORA-2009-13362 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- 37785 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- USN-874-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=546722 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 37813 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- FEDORA-2009-13333 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- USN-873-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- 37349 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- RHSA-2009:1674 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- FEDORA-2009-13366 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- firefox-documentlocation-ssl-spoofing(54806) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- DSA-1956 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- http://www.mozilla.org/security/announce/2009/mfsa2009-69.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- 37856 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- RHSA-2009:1673 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://bugzilla.mozilla.org/show_bug.cgi?id=521461 (opens in a new tab)x_refsource_CONFIRMx_transferred
- SUSE-SA:2009:063 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- oval:org.mitre.oval:def:9791 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- 37367 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2009-3955 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2009-3984)Record last updated .