7.5high

CVE-2016-9296

A null pointer dereference bug affects the 16.02 and many old versions of p7zip.

Published 9 y ago · modified 4 mo ago · JSON

CVSS
7.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
7.0%
percentile 94%
Public exploits
0
none known

Summary

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.

Exploit prediction (EPSS)

7.02% probability of exploitation in the next 30 days, higher than 94% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.07.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD2.05.0AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness

References

  • securityfocus.com /bid/94294 · vdb-entry, x_refsource_BID, x_transferred
  • sourceforge.net /p/p7zip/bugs/185/ · x_refsource_MISC, x_transferred
  • sourceforge.net /p/p7zip/discussion/383043/thread/648d34db/ · x_refsource_MISC, x_transferred
  • github.com /yangke/7zip-null-pointer-dereference · x_refsource_MISC, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.