CVE-2021-3246
CVE-2021-3246 is a critical heap buffer overflow vulnerability in libsndfile 1.0.30, specifically within the msadpcm_decode_block function, affecting various Debian and Fedora distributions. This flaw allows unauthenticated attackers to achieve arbitrary code execution by tricking a user into opening a specially crafted WAV file. With a CVSS score of 8.8 (High), the vulnerability is easily exploitable over a network with low attack complexity, leading to high impacts on confidentiality, integrity, and availability. While no public exploit code or active exploitation has been observed, and community discussion is minimal, its high FAUCET Risk Score of 70/100 indicates significant potential danger.
Impacted Technologies
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
1.0.30CPE matchmatch criteria | cpe:2.3:a:libsndfile_project:libsndfile:1.0.30:*:*:*:*:*:*:* | ||
33CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* | ||
34CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* | ||
9.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | ||
10.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:* |
CVSS Data
CVSS version used by this source: 3.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Exploit Intelligence
Social Chatter
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.
Media Mentions
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.