WinRAR 3.40, and possibly earlier versions, allows remote attackers to execute arbitrary…
Priority MEDIUM 55Published · 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
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
WinRAR 3.40, and possibly earlier versions, allows remote attackers to execute arbitrary code via a ZIP file containing a file with a long filename, possibly causing an integer overflow that leads to a buffer overflow.
Why it matters now
EPSS 0.10354 95th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
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:rarlab:winrar:3.0.0:*:*:*:*:*:*:* | 3.0.0 | Vulnerable | RARLAB |
| cpe:2.3:a:rarlab:winrar:3.10:*:*:*:*:*:*:* | 3.10 | Vulnerable | RARLAB |
| cpe:2.3:a:rarlab:winrar:3.10_beta3:*:*:*:*:*:*:* | 3.10_beta3 | Vulnerable | RARLAB |
| cpe:2.3:a:rarlab:winrar:3.10_beta5:*:*:*:*:*:*:* | 3.10_beta5 | Vulnerable | RARLAB |
| cpe:2.3:a:rarlab:winrar:3.11:*:*:*:*:*:*:* | 3.11 | Vulnerable | RARLAB |
| cpe:2.3:a:rarlab:winrar:3.20:*:*:*:*:*:*:* | 3.20 | Vulnerable | RARLAB |
| cpe:2.3:a:rarlab:winrar:3.40:*:*:*:*:*:*:* | 3.40 | Vulnerable | RARLAB |
| cpe:2.3:a:rarlab:winrar:3.41:*:*:*:*:*:*:* | 3.41 | Vulnerable | RARLAB |
- cpe:2.3:a:rarlab:winrar:3.0.0:*:*:*:*:*:*:* Versions 3.0.0 Vulnerable ·RARLAB
- cpe:2.3:a:rarlab:winrar:3.10:*:*:*:*:*:*:* Versions 3.10 Vulnerable ·RARLAB
- cpe:2.3:a:rarlab:winrar:3.10_beta3:*:*:*:*:*:*:* Versions 3.10_beta3 Vulnerable ·RARLAB
- cpe:2.3:a:rarlab:winrar:3.10_beta5:*:*:*:*:*:*:* Versions 3.10_beta5 Vulnerable ·RARLAB
- cpe:2.3:a:rarlab:winrar:3.11:*:*:*:*:*:*:* Versions 3.11 Vulnerable ·RARLAB
- cpe:2.3:a:rarlab:winrar:3.20:*:*:*:*:*:*:* Versions 3.20 Vulnerable ·RARLAB
- cpe:2.3:a:rarlab:winrar:3.40:*:*:*:*:*:*:* Versions 3.40 Vulnerable ·RARLAB
- cpe:2.3:a:rarlab:winrar:3.41:*:*:*:*:*:*:* Versions 3.41 Vulnerable ·RARLAB
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2004-1254
- 2026-10-03 Alias added: GHSA-cvq2-4mh6-ww77
References
More RARLAB Winrar vulnerabilities
- TI-2025-07400 Path traversal vulnerability in WinRAR KEVCVSS 4.0HIGH 8.4
- TI-2025-05626 Path traversal in RARLAB WinRAR KEVCVSS 3.0HIGH 7.8
- TI-2023-20115 RARLAB WinRAR before 6.23 allows attackers to execute arbitrary code when a user attempts… KEVCVSS 3.1HIGH 7.8
- TI-2018-14356 Path traversal in Check Point Software Technologies Ltd. WinRAR KEVCVSS 3.1HIGH 7.8
- TI-2024-23905 RARLAB WinRAR before 7.00, on Windows, allows attackers to spoof the screen output via… CVSS 3.1HIGH 7.5
- TI-2024-22371 RARLAB WinRAR before 7.00, on Linux and UNIX platforms, allows attackers to spoof the… CVSS 3.1HIGH 7.1
Sources
- CVE-2004-1254 · CVE Program
- CVE-2004-1254 · NVD
- FIRST EPSS
- GHSA-cvq2-4mh6-ww77 · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences