Vulnerability Description
7-Zip Zstandard Decompression Integer Underflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of 7-Zip. Interaction with this library is required to exploit this vulnerability but attack vectors may vary depending on the implementation. The specific flaw exists within the implementation of Zstandard decompression. The issue results from the lack of proper validation of user-supplied data, which can result in an integer underflow before writing to memory. An attacker can leverage this vulnerability to execute code in the context of the current process. Was ZDI-CAN-24346.
CVSS Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| 7-Zip | 7-Zip | < 24.07 |
Related Weaknesses (CWE)
References
- https://www.zerodayinitiative.com/advisories/ZDI-24-1532/Third Party AdvisoryVDB Entry
- https://security.netapp.com/advisory/ntap-20250214-0007/
FAQ
What is CVE-2024-11477?
CVE-2024-11477 is a vulnerability with a CVSS score of 7.8 (HIGH). 7-Zip Zstandard Decompression Integer Underflow Remote Code Execution Vulnerability. This vulnerability allows remote attackers to execute arbitrary code on affected installations of 7-Zip. Interactio...
How severe is CVE-2024-11477?
CVE-2024-11477 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2024-11477?
Check the references section above for vendor advisories and patch information. Affected products include: 7-Zip 7-Zip.