CVE-2016-9296

HighCVSS 7.5/10Last modified Jun 17, 2026

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

CVSS 3.0 7.5/10CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Weakness enumeration

CWE-476

Affected software

Vendor	Product	Versions
n/a	n/a	n/a

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
NVD status: Modified

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