WinZip 8.0 uses weak random number generation for password protected ZIP files, which…
Priority LOW 21CWE-255Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- — Not recorded in CVSS 2.0
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- Partial · Partial · Partial
- Fix status
- No fix listed
Attack profile from CVSS 2.0 · NVD. Fix status from CNA.
Summary
WinZip 8.0 uses weak random number generation for password protected ZIP files, which allows local users to brute force the encryption keys and extract the data from the zip file by guessing the state of the stream coder.
Why it matters now
EPSS 0.0024 15th 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
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2003-1376
- 2026-10-03 Alias added: GHSA-m2jc-49g8-v2f9
References
Advisory 1
More Winzip vulnerabilities
- TI-2004-00302 Buffer overflow in the UUDeview package, as used in WinZip 6.2 through WinZip 8.1 SR-1… CVSS 2.0HIGH 10.0
- TI-2002-00357 Buffer overflow in the ZIP capability for multiple products allows remote attackers to… CVSS 2.0HIGH 7.5
- TI-2006-03768 Stack-based buffer overflow in the Sky Software FileView ActiveX control, as used in… CVSS 2.0HIGH 9.3
- TI-2004-00203 Multiple stack-based buffer overflows in the get_header function in header.c for LHA… CVSS 2.0HIGH 10.0
- TI-2006-05014 The WZFILEVIEW.FileViewCtrl.61 ActiveX control (aka Sky Software "FileView" ActiveX… CVSS 2.0MEDIUM 4.0
- TI-2025-01060 Out-of-bounds write in WinZip CVSS 3.1HIGH 8.8
Sources
- CVE-2003-1376 · CVE Program
- CVE-2003-1376 · NVD
- FIRST EPSS
- GHSA-m2jc-49g8-v2f9 · GitHub Advisory Database · CC BY 4.0
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