Vulnerability DatabaseCVE-2017-17969
Mend.io Vulnerability Database
The largest open source vulnerability database
What is a Vulnerability ID?
New vulnerability? Tell us about it!
CVE-2017-17969
Published:January 30, 2018
Updated:October 13, 2026
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.
Related Resources (9)
https://www.debian.org/security/2018/dsa-4104
https://0patch.blogspot.si/2018/02/two-interesting-micropatches-for-7-zip.html
https://people.canonical.com/~ubuntu-security/cve/CVE-2017-17969
https://usn.ubuntu.com/3913-1/
https://landave.io/2018/01/7-zip-multiple-memory-corruptions-via-rar-and-zip/
https://security-tracker.debian.org/tracker/CVE-2017-17969
https://lists.debian.org/debian-lts-announce/2018/02/msg00003.html
https://github.com/p7zip-project/p7zip/issues/7
http://www.securitytracker.com/id/1040831
Do you need more information?
Contact Us
CVSS v4
Base Score:
8.5
Attack Vector
LOCAL
Attack Complexity
LOW
Attack Requirements
NONE
Privileges Required
NONE
User Interaction
PASSIVE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7.8
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
Weakness Type (CWE)
Out-of-bounds Write
CWE-787
EPSS
Base Score:
4.94