CVE-2020-20902 is an out-of-bounds read vulnerability (CWE-125) affecting FFmpeg version 4.2.1. Specifically, the long_term_filter function in g729postfilter.c can disclose information due to an error in computing the denominator of pseudo-normalized correlation R'(0). This vulnerability has a CVSS score of 6.5 (Medium), indicating a network-based attack with low complexity that requires user interaction and can lead to high confidentiality impact. There is no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
4.2.1CPE matchmatch criteria | cpe:2.3:a:ffmpeg:ffmpeg:4.2.1:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
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.
Remediation records are not available for this CVE.