CVE-2015-4477 is a critical use-after-free vulnerability in the MediaStream playback feature of Mozilla Firefox prior to version 40.0, also affecting various Canonical and OpenSUSE distributions. With a CVSS score of 10.0, it allows remote attackers to execute arbitrary code via unspecified use of the Web Audio API, posing a severe risk of complete compromise (confidentiality, integrity, and availability). While no public exploit code (Metasploit, Nuclei, ExploitDB) is available and it's not on the KEV catalog, its high FAUCET Risk Score of 84/100, significant community discussion, and media coverage indicate its potential for exploitation and the importance of patching.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
12.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:lts:*:*:* | ||
14.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:* | ||
15.04CPE matchmatch criteria | cpe:2.3:o:canonical:ubuntu_linux:15.04:*:*:*:*:*:*:* | ||
13.1CPE matchmatch criteria | cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:* | ||
13.2CPE matchmatch criteria | cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:* |
CVSS version used by this source: 2.0
AV:N/AC:L/Au:N/C:C/I:C/A:C
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 GitHub mentions.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.