Is CVE-2017-17128 actively exploited?

No active exploitation of CVE-2017-17128 has been confirmed so far. Continue monitoring, as exploit status can change.

Can CVE-2017-17128 be exploited remotely?

Yes. CVE-2017-17128 is exploitable remotely over the network (CVSS attack vector: Network).

What is the CVSS score of CVE-2017-17128?

CVE-2017-17128 has a CVSS score of 6.5 (MEDIUM).

HOME VULNERABILITIESCVE-2017-17128

MEDIUM

CVE-2017-17128

CWE-119Published: December 4, 2017· Updated: Jun 17, 2026

6.5

CVSS v3.1

Official Description

The h264_slice_init function in libavcodec/h264_slice.c in Libav 12.2 allows remote attackers to cause a denial of service (segmentation fault and application crash) via a crafted file.

NVD Source

Technical Analysis

CVE-2017-17128 can be exploited remotely over the network without requiring physical or adjacent access, significantly expanding the attack surface for threat actors.

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 availability disruption (denial of service), with a CVSS base score of 6.5.

From a weakness classification perspective (CWE-119): Buffer overflow vulnerabilities can lead to arbitrary code execution or denial of service by corrupting adjacent memory.