Vulnerability Report

CVE-2018-5996

Title: 7-Zip P7Zip RCE

Memory Corruption

Proof Of Concept

No public PoC currently indexed for CVE-2018-5996.

CWE Category CWE-119
Published Date Jan 31, 2018
Modified Date Jun 17, 2026
Exploit Status Not Found
Score 7.8 CVSS v3.0
Exploit Probability (EPSS)
2.91%

Vulnerability Summary

CVE-2018-5996: Insufficient exception handling in the method NCompress::NRar3::CDecoder::Code of 7-Zip before 18.00 and p7zip can lead to multiple memory corruptions within the PPMd code, allows remote attackers to cause a denial of service (segmentation fault) or execute arbitrary code via a crafted RAR archive.

Impacted Vendors

I
igor_pavlov 1
7
7-zip 2

Reference Links

http://www.securitytracker.com/id/1040831 https://0patch.blogspot.si/2018/02/two-interesting-micropatches-for-7-zip.html https://github.com/p7zip-project/p7zip/issues/32 https://github.com/p7zip-project/p7zip/issues/8 https://landave.io/2018/01/7-zip-multiple-memory-corruptions-via-rar-and-zip/ http://www.securitytracker.com/id/1040831 https://0patch.blogspot.si/2018/02/two-interesting-micropatches-for-7-zip.html https://landave.io/2018/01/7-zip-multiple-memory-corruptions-via-rar-and-zip/
CVSS v3.0
Source Entity [email protected]
Severity HIGH
7.8
Attack Vector
LOCAL
Complexity
LOW
Privileges
N/A
Interaction
REQUIRED
Confidentiality
N/A
Integrity
N/A
Availability
N/A
Scope
UNCHANGED
RAW VECTOR CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v2.0
Source Entity [email protected]
Severity MEDIUM
6.8
Access Vector
N/A
Authentication
N/A
RAW VECTOR AV:N/AC:M/Au:N/C:P/I:P/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2018-5996 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

MODIFIED

Vulnerability data updated via NVD.

MODIFIED

Vulnerability data or affected products updated.

PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector LOCAL
Complexity LOW
Privileges N/A
Interaction REQUIRED
CVSS Vector String CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected Stack

No specific products linked.