CVE-2016-9296

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.

CVSS v3.0

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

CVSS v2.0

5.0 MEDIUMAV:N/AC:L/Au:N/C:N/I:N/A:P

EPSS

7.02% chance of exploitation in the next 30 days, 94th percentile

Published

2016-11-12

Updated

2024-08-06

Proof-of-concept exploits (1)

• https://sourceforge.net/p/p7zip/discussion/383043/thread/648d34db/

References

• CVE Record
• NVD entry

Related

• CVE-2016-9294
• CVE-2016-9299
• CVE-2016-9269
• CVE-2016-9311
• CVE-2016-9263
• CVE-2016-9313