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CVE-2004-0947Buffer overflow in unarj before 2.63a-r2 allows remote attackers to execute arbitrary code via an arj archive that contains long filenames.
- 10.0HighCVSS base score
- 7.4%Exploitation in 30 daysEPSS · top 5.5% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
Buffer overflow in unarj before 2.63a-r2 allows remote attackers to execute arbitrary code via an arj archive that contains long filenames.
Timeline
ID reserved
By mitre
- 43 days later
· 43 days later
Published
- 20 years later
· 20 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 | High10.0 | AV:N/AC:L/Au:N/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 7.4% · top 5.5% of all CVEs (13 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 10.0.
Affected products
n/a
- affected n/a
References
References6
- DSA-652 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- 11665 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- RHSA-2005:007 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- unarj-longfilename-bo(18044) (opens in a new tab)vdb-entryx_refsource_XFx_transferred
- GLSA-200411-29 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- FLSA:2272 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_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-2004-0945 (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-2004-0947)Record last updated .