NULL pointer dereference in FFmpeg - CVE-2019-11338

 

NULL pointer dereference in FFmpeg - CVE-2019-11338

Published: April 19, 2019


Vulnerability identifier: #VU18318
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2019-11338
CWE-ID: CWE-476
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: ffmpeg.sourceforge.net
Affected software:
FFmpeg

Detailed vulnerability description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error when detecting duplicate first slices within libavcodec/hevcdec.c file. A remote attacker can trigger denial of service conditions via crafted HEVC data.


How to mitigate CVE-2019-11338

Install update from vendor's repository.

Sources