#VU18318 NULL pointer dereference in FFmpeg - CVE-2019-11338
Published: April 19, 2019
Vulnerability identifier: #VU18318
Vulnerability risk: Medium
CVSSv4.0: 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
Vulnerable software:
FFmpeg
FFmpeg
Software vendor:
ffmpeg.sourceforge.net
ffmpeg.sourceforge.net
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.
Remediation
Install update from vendor's repository.