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CVE-2018-5996

N/A

Published: January 31, 2018 at 06:00 PM UTC

Updated: June 17, 2026 at 02:01 AM UTC

3 products affected across 2 vendorsDebian LinuxZip 7-zipP7ZIP

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Severity

N/A

Exploit prediction

EPSS 3%

Description

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

95%

v < 18.0

Affected range stops below 18.0, so it looks safe — our inference, not a vendor statement

Zip 7-zip · 7-zip

95%

v < 18.00

Affected range stops below 18.00, so it looks safe — our inference, not a vendor statement

Debian Linux · Debiandrupal

95%

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (5)

VDB Entry

Source: [email protected]

http://www.securitytracker.com/id/1040831

Source: [email protected]

https://0patch.blogspot.si/2018/02/two-interesting-micropatches-for-7-zip.html

Source: [email protected]

https://github.com/p7zip-project/p7zip/issues/32

Source: [email protected]

https://github.com/p7zip-project/p7zip/issues/8

ExploitTechnical DescriptionThird Party Advisory

Source: [email protected]

https://landave.io/2018/01/7-zip-multiple-memory-corruptions-via-rar-and-zip/

CVSS

6.8MEDIUM[email protected]

Confidentiality: PARTIAL
Integrity: PARTIAL
Availability: PARTIAL

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-119

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