CVE-2016-2819 is a critical heap-based buffer overflow vulnerability affecting Mozilla Firefox before version 47.0 and Firefox ESR 45.x before 45.2, as well as distributions from Canonical, Debian, and openSUSE. This vulnerability allows remote attackers to execute arbitrary code by exploiting foreign-context HTML5 fragments, specifically within SVG elements. With a CVSS score of 8.8 (High), it presents a low-complexity attack vector (AV:N/AC:L/PR:N/UI:R) that can lead to complete compromise of confidentiality, integrity, and availability (C:H/I:H/A:H). While not listed in CISA's KEV catalog, an exploit (EDB-44293) demonstrating ASM.JS JIT-Spray Remote Code Execution for Firefox 46.0.1 exists, and the vulnerability garnered significant community discussion and media coverage at the time of its disclosure.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
42.1CPE matchmatch criteria | cpe:2.3:o:opensuse:leap:42.1:*:*:*:*:*:*:* | ||
13.1CPE matchmatch criteria | cpe:2.3:o:opensuse:opensuse:13.1:*:*:*:*:*:*:* | ||
13.2CPE matchmatch criteria | cpe:2.3:o:opensuse:opensuse:13.2:*:*:*:*:*:*:* | ||
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:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
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.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.