NULL pointer dereference in FFmpeg

Published: 2019-04-19 12:01:57 | Updated: 2019-04-19
Severity Medium
Patch available YES
Number of vulnerabilities 1
CVE ID CVE-2019-11338
CVSSv3 5.7 [CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]
CWE ID CWE-476
Exploitation vector Network
Public exploit N/A
Vulnerable software FFmpeg
Vulnerable software versions FFmpeg 4.1.2
Vendor URL ffmpeg.sourceforge.net

Security Advisory

1) NULL pointer dereference

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.

External links

https://github.com/FFmpeg/FFmpeg/commit/54655623a82632e7624714d7b2a3e039dc5faa7e

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