Heap-Based Buffer Overflow in 7-Zip and p7zip Products
CVE-2017-17969

7.8HIGH

Key Information:

Vendor: 7-zip
Status: 7-zip; P7zip
Vendor: CVE Published:; 30 January 2018

What is CVE-2017-17969?

A heap-based buffer overflow vulnerability exists within the NCompress::NShrink::CDecoder::CodeReal method of 7-Zip and p7zip prior to version 18.00. This flaw enables remote attackers to craft malicious ZIP archives that can exploit the vulnerability, leading to an out-of-bounds write situation. Successful exploitation can result in denial of service or potential execution of arbitrary code, posing significant risks to affected systems.