CVE-2017-17969
High
Description
Heap-based buffer overflow in the NCompress::NShrink::CDecoder::CodeReal method in 7-Zip before 18.00 and p7zip allows remote attackers to cause a denial of service (out-of-bounds write) or potentially execute arbitrary code via a crafted ZIP archive.
SeverityHigh
CVSS7.8
Exploit probability—
Product
7-zip
PublishedJan 30, 2018
First seenJan 30, 2018
How to fix
Update
- 7-zip 7-zip18.00 or later
- 7-zip p7zip18.0 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| 7-zip 7-zip | v < 18.00 | 18.00 |
| 7-zip p7zip | v < 18.0 | 18.0 |
| debian debian_linux | 7.0, 8.0, 9.0 | — |
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