CVE-2016-9296

Name: CVE-2016-9296
Creator: NVD / NIST
Published: 2016-11-12T02:59:04.65+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

UnknownEPSS 7.02%

Last modified Jun 17, 2026

CVE-2016-9296 is a vulnerability of currently unknown severity. 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.. EPSS estimates a 7.02% chance of exploitation in the next 30 days.

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.

Metrics

EPSS Probability

7.02%

93.3th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

CWE-476

Affected Software

Vendor	Product	Versions
7-Zip	P7zip	16.02

References

http://www.securityfocus.com/bid/94294Third Party Advisory, VDB Entry
https://github.com/yangke/7zip-null-pointer-dereferenceIssue Tracking, Patch, Third Party Advisory
https://sourceforge.net/p/p7zip/bugs/185/Issue Tracking, Third Party Advisory
https://sourceforge.net/p/p7zip/discussion/383043/thread/648d34db/Exploit, Third Party Advisory
http://www.securityfocus.com/bid/94294Third Party Advisory, VDB Entry
https://github.com/yangke/7zip-null-pointer-dereferenceIssue Tracking, Patch, Third Party Advisory
https://sourceforge.net/p/p7zip/bugs/185/Issue Tracking, Third Party Advisory
https://sourceforge.net/p/p7zip/discussion/383043/thread/648d34db/Exploit, Third Party Advisory

Timeline

Published: Nov 12, 2016
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2016-9296?

How severe is CVE-2016-9296?

Severity scoring for CVE-2016-9296 is pending analysis. The EPSS model estimates a 7.02% probability of exploitation in the next 30 days.

How do I fix CVE-2016-9296?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2016-9296?

Run a free Strix scan to check your systems for this vulnerability.

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Source: NVD / NIST