Out-of-bounds write in Check Point Software Technologies Ltd. WinRAR
Priority MEDIUM 41CWE-787Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.0 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
In WinRAR versions prior to and including 5.60, There is an out-of-bounds write vulnerability during parsing of a crafted LHA / LZH archive formats. Successful exploitation could lead to arbitrary code execution in the context of the current user.
Why it matters now
EPSS 0.04187 90th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
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 |
|---|---|---|---|---|---|
| Check Point Software Technologies Ltd. | WinRAR | All versions prior and including 5.60 | — | No fix listed | CNA |
- WinRAR VendorCheck Point Software Technologies Ltd. Affected All versions prior and including 5.60 Fixed in — No fix listed CNA
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2018-20253
- 2026-10-03 Alias added: GHSA-rc2h-948p-g7mf
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-2018-20253 · CVE Program
- CVE-2018-20253 · NVD
- FIRST EPSS
- GHSA-rc2h-948p-g7mf · GitHub Advisory Database · CC BY 4.0
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