Buffer overflow in 7-Zip
CVE-2017-17969
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.
Vulnerability class: Buffer Overflow
EPSS: 0.049 (91.3th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
Affected products
- 7-zip
- 7-zip P7zip
- Debian Debian_linux — versions 7.0, 8.0, 9.0
- N/a — versions n/a
Weakness classification (CWE)
Public proof-of-concept exploits
References
- cve@mitre.org (vendor-advisory, Third Party Advisory)
- cve@mitre.org (mailing-list, Mailing List, Third Party Advisory)
- cve@mitre.org (Technical Description, Exploit, Third Party Advisory)
- cve@mitre.org (vdb-entry)
- cve@mitre.org
- cve@mitre.org (vendor-advisory)
- cve@mitre.org
Frequently asked questions
- What is CVE-2017-17969?
- CVE-2017-17969 is a high-severity vulnerability in 7-Zip, classified under Out-of-bounds Write. CVSS score: 7.8/10. Published 2018-01-30.
- How severe is CVE-2017-17969?
- High severity. CVSS v3 base score is 7.8 out of 10.
- Is CVE-2017-17969 known to be exploited?
- 5 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.