Heap-based buffer overflow in FFmpeg - CVE-2017-7859

 

Heap-based buffer overflow in FFmpeg - CVE-2017-7859

Published: April 20, 2017 / Updated: June 8, 2025


Vulnerability identifier: #VU110562
CSH Severity: High
CVSS v4: []
CVE-ID: CVE-2017-7859
CWE-ID: CWE-122
Exploitation vector: Remote access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within the libavcodec/h264dec.c. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger heap-based buffer overflow and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.


Affected software

FFmpeg

How to mitigate CVE-2017-7859

Install update from vendor's website.


External References

Related Security Bulletins