CVE-2016-5257 describes multiple unspecified vulnerabilities within the browser engine of Mozilla Firefox (before 49.0), Firefox ESR (before 45.4), and Thunderbird (before 45.4). These critical flaws, rated 9.8 CVSS, allow remote attackers to trigger a denial of service through memory corruption and application crashes, and potentially execute arbitrary code without user interaction. While no public exploit code or active exploitation is reported, the vulnerability garnered some community discussion and media coverage at the time of its disclosure.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 48.0.2CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* | ||
45.1.0CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:45.1.0:*:*:*:*:*:*:* | ||
45.1.1CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:45.1.1:*:*:*:*:*:*:* | ||
45.2.0CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:45.2.0:*:*:*:*:*:*:* | ||
45.3.0CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:45.3.0:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.