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CVE-2009-4875
FCKeditor.Java 2.4 allows remote attackers to cause a denial of service (infinite loop) via a malformed request parameter that contains…
Medium5.0EPSS 2.6%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
FCKeditor.Java 2.4 allows remote attackers to cause a denial of service (infinite loop) via a malformed request parameter that contains "ctrl" characters.
Timeline
ID reserved
By mitre
Published
- 14 years later
· 14 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 | Medium5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 2.6% · top 15% of all CVEs (8 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 5.0.
Weakness
Affected products
n/a
- affected n/a
References (7)
- 35870 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 35709 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- fckeditorjava-ctrl-dos(51738) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- http://dev.fckeditor.net/ticket/3902 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://sourceforge.net/project/shownotes.php?release_id=697258 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://java.fckeditor.net/changes-report.html#a2.4.2 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 56060 (opens in a new tab)vdb-entryx_refsource_OSVDBx_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)
- 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-2009-4875)Record last updated .