Is CVE-2017-16797 actively exploited?

No active exploitation of CVE-2017-16797 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2017-16797 be exploited remotely?

No. CVE-2017-16797 requires local access to exploit.

What is the CVSS score of CVE-2017-16797?

CVE-2017-16797 has a CVSS score of 7.8 (HIGH).

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HIGH

CVE-2017-16797

CWE-190Published: November 12, 2017· Updated: Jun 17, 2026

7.8

CVSS v3.1

Official Description

In SWFTools 0.9.2, the png_load function in lib/png.c does not properly validate an alloclen_64 multiplication of width and height values, which allows remote attackers to cause a denial of service (integer overflow, heap-based buffer overflow, and application crash) or possibly have unspecified other impact via a crafted PNG file.

NVD Source

Technical Analysis

CVE-2017-16797 requires local access, meaning attackers must already have a foothold on the target system.

Exploitation does not require any privileges, though user interaction (Required) is needed, which slightly reduces the risk of mass automated attacks.

A successful exploit results in complete confidentiality breach (data exposure), full integrity compromise (data manipulation), availability disruption (denial of service), with a CVSS base score of 7.8.