CVE-2016-9296

7.5 HIGH
Published: November 12, 2016 Modified: May 06, 2026
View on NVD

Description

A null pointer dereference bug affects the 16.02 and many old versions of p7zip. A lack of null pointer check for the variable folders.PackPositions in function CInArchive::ReadAndDecodePackedStreams in CPP/7zip/Archive/7z/7zIn.cpp, as used in the 7z.so library and in 7z applications, will cause a crash and a denial of service when decoding malformed 7z files.

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CVSS v3.x Details

0.0 Low Medium High Critical 10.0
Vector String
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

Patch Vendor Advisory Exploit Third Party Advisory
http://www.securityfocus.com/bid/94294
Source: cve@mitre.org
Third Party Advisory VDB Entry
https://github.com/yangke/7zip-null-pointer-dereference
Source: cve@mitre.org
Issue Tracking Patch Third Party Advisory
https://sourceforge.net/p/p7zip/bugs/185/
Source: cve@mitre.org
Issue Tracking Third Party Advisory
https://sourceforge.net/p/p7zip/discussion/383043/thread/648d34db/
Source: cve@mitre.org
Exploit Third Party Advisory
http://www.securityfocus.com/bid/94294
Source: af854a3a-2127-422b-91ae-364da2661108
Third Party Advisory VDB Entry
https://github.com/yangke/7zip-null-pointer-dereference
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Patch Third Party Advisory
https://sourceforge.net/p/p7zip/bugs/185/
Source: af854a3a-2127-422b-91ae-364da2661108
Issue Tracking Third Party Advisory
https://sourceforge.net/p/p7zip/discussion/383043/thread/648d34db/
Source: af854a3a-2127-422b-91ae-364da2661108
Exploit Third Party Advisory

8 reference(s) from NVD

Quick Stats

CVSS v3 Score
7.5 / 10.0
EPSS (Exploit Probability)
7.0%
94th percentile
Exploitation Status
Not in CISA KEV

Weaknesses (CWE)

Affected Vendors

7-zip