What’s Vulnerable › Vulnerabilities

CVE-2016-9296

• Severity: high (CVSS 7.5 v3.0)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 7.0% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2016-11-12 · updated 2026-06-17
• Weakness: CWE-476

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.

Affected products

• 7-Zip P7Zip: 16.02

References

• http://www.securityfocus.com/bid/94294
• https://github.com/yangke/7zip-null-pointer-dereference
• https://sourceforge.net/p/p7zip/bugs/185/
• https://sourceforge.net/p/p7zip/discussion/383043/thread/648d34db/
• http://www.securityfocus.com/bid/94294
• https://github.com/yangke/7zip-null-pointer-dereference
• https://sourceforge.net/p/p7zip/bugs/185/
• https://sourceforge.net/p/p7zip/discussion/383043/thread/648d34db/

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