CVE-2018-7557 describes an out-of-array read vulnerability in the decode_init function of FFmpeg versions 2.8 through 3.4.2, specifically within the libavcodec/utvideodec.c component. This flaw allows remote attackers to trigger a denial of service by providing a specially crafted AVI file containing malicious chroma subsampling data. Rated as Medium severity (CVSS 6.5), it requires user interaction (UI:R) but has a low attack complexity (AC:L) and can lead to high availability impact (A:H). There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this vulnerability.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
>= 2.8, <= 3.4.2CPE matchmatch criteria | cpe:2.3:a:ffmpeg:ffmpeg:*:*:*:*:*:*:*:* | ||
8.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | ||
9.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
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No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.