Buffer overflow in unarj before 2.63a-r2 allows remote attackers to execute arbitrary…
Priority MEDIUM 53Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Complete · Complete · Complete
- Fix status
- Fixed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA and Red Hat.
Summary
Buffer overflow in unarj before 2.63a-r2 allows remote attackers to execute arbitrary code via an arj archive that contains long filenames.
Why it matters now
EPSS 0.07369 94th percentileScored 2026-11-07
Fix Fixed Red Hat: 1 advisory
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 8
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:arj_software_inc.:unarj:2.62:*:*:*:*:*:*:* | 2.62 | Vulnerable | Arj Software Inc. |
| cpe:2.3:a:arj_software_inc.:unarj:2.63_a:*:*:*:*:*:*:* | 2.63_a | Vulnerable | Arj Software Inc. |
| cpe:2.3:a:arj_software_inc.:unarj:2.64:*:*:*:*:*:*:* | 2.64 | Vulnerable | Arj Software Inc. |
| cpe:2.3:a:arj_software_inc.:unarj:2.65:*:*:*:*:*:*:* | 2.65 | Vulnerable | Arj Software Inc. |
| cpe:2.3:o:gentoo:linux:*:*:*:*:*:*:*:* | all versions | Vulnerable | gentoo |
| cpe:2.3:o:suse:suse_linux:9.0:*:*:*:*:*:*:* | 9.0 | Vulnerable | SUSE |
| cpe:2.3:o:suse:suse_linux:9.1:*:*:*:*:*:*:* | 9.1 | Vulnerable | SUSE |
| cpe:2.3:o:suse:suse_linux:9.2:*:*:*:*:*:*:* | 9.2 | Vulnerable | SUSE |
- cpe:2.3:a:arj_software_inc.:unarj:2.62:*:*:*:*:*:*:* Versions 2.62 Vulnerable ·Arj Software Inc.
- cpe:2.3:a:arj_software_inc.:unarj:2.63_a:*:*:*:*:*:*:* Versions 2.63_a Vulnerable ·Arj Software Inc.
- cpe:2.3:a:arj_software_inc.:unarj:2.64:*:*:*:*:*:*:* Versions 2.64 Vulnerable ·Arj Software Inc.
- cpe:2.3:a:arj_software_inc.:unarj:2.65:*:*:*:*:*:*:* Versions 2.65 Vulnerable ·Arj Software Inc.
- cpe:2.3:o:gentoo:linux:*:*:*:*:*:*:*:* Versions all versions Vulnerable ·gentoo
- cpe:2.3:o:suse:suse_linux:9.0:*:*:*:*:*:*:* Versions 9.0 Vulnerable ·SUSE
- cpe:2.3:o:suse:suse_linux:9.1:*:*:*:*:*:*:* Versions 9.1 Vulnerable ·SUSE
- cpe:2.3:o:suse:suse_linux:9.2:*:*:*:*:*:*:* Versions 9.2 Vulnerable ·SUSE
Remediation
Red Hat 1 advisory
- RHSA-2005:007 Released 2005-01-12 · Red Hat rating Lowunarj security update
- Red Hat Enterprise Linux AS (Advanced Server) version 2.1
- Red Hat Enterprise Linux ES version 2.1
- Red Hat Enterprise Linux WS version 2.1
- Red Hat Linux Advanced Workstation 2.1
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux AS (Advanced Server) version 2.1 | Fixed | RHSA-2005:007 |
| Red Hat Enterprise Linux ES version 2.1 | Fixed | RHSA-2005:007 |
| Red Hat Enterprise Linux WS version 2.1 | Fixed | RHSA-2005:007 |
| Red Hat Linux Advanced Workstation 2.1 | Fixed | RHSA-2005:007 |
Timeline
- 2026-10-02 Threatist record created from CVE-2004-0947
- 2026-10-03 Alias added: GHSA-xjjv-8746-3g86
References
Patch 1
Advisory 3
Sources
- CVE-2004-0947 · CVE Program
- CVE-2004-0947 · NVD
- FIRST EPSS
- GHSA-xjjv-8746-3g86 · GitHub Advisory Database · CC BY 4.0
- CVE-2004-0947 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences