CVE-2018-13303

MEDIUM

Ffmpeg - NULL Pointer Dereference

Title source: rule

Description

In FFmpeg 4.0.1, a missing check for failure of a call to init_get_bits8() in the avpriv_ac3_parse_header function in libavcodec/ac3_parser.c may trigger a NULL pointer dereference while converting a crafted AVI file to MPEG4, leading to a denial of service.

Scores

CVSS v3 6.5
EPSS 0.0043
EPSS Percentile 62.5%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Classification

CWE
CWE-476
Status published

Affected Products (1)

ffmpeg/ffmpeg

Timeline

Published Jul 05, 2018
Tracked Since Feb 18, 2026