CVE-2016-9296

P7zip vulnerability

CVSS

7.5

EPSS

7.0%

EPSS pct

93th

Exploited

No known

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 vendor

7 Zip

Affected product

P7zip

CVSS vector

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

Weakness type (CWE)

CWE-476 — NULL Pointer Dereference

Published

2016-11-12

Risk analysis

Based on its CVSS vector, this vulnerability is exploitable over the network, low attack complexity, requiring no privileges, no user interaction. Successful exploitation leads to high impact to availability.

Its EPSS score of 7.0% reflects a lower probability of exploitation activity in the wild over the next 30 days, placing it above 93% of all scored CVEs.

Check your external exposure to CVE-2016-9296

Confirm whether 7 Zip P7zip is running on any internet-facing host or subdomain.
Match discovered service fingerprints against the version affected by CVE-2016-9296.
Prioritise remediation if the asset is public, business-critical, or near authentication/payment flows.

How ThreatPort helps with CVE-2016-9296

ThreatPort's external attack surface scanner checks your internet-facing assets — agentlessly, from the outside in — for the exposed services and versions that CVE-2016-9296 affects, then prioritises the finding by real risk using CISA KEV and FIRST.org EPSS.

Run a free external exposure scan

Are you exposed to CVE-2016-9296?

Run an instant, non-intrusive external scan to check your attack surface for CVE-2016-9296.

Start free scan

No credit card. Agentless.

Related vulnerabilities

HIGH

CVE-2008-0320

Openoffice.Org vulnerability

Bigant Messenger vulnerability