CVE-2016-5280 is a critical use-after-free vulnerability in Mozilla Firefox, Firefox ESR, and Thunderbird, specifically within the nsTextNodeDirectionalityMap::RemoveElementFromMap function. This flaw allows remote attackers to execute arbitrary code by manipulating bidirectional text. With a CVSS score of 9.8, it presents a severe risk due to its network-based attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. Despite its critical severity, there is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 48.0.2CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* | ||
45.0CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:45.0:*:*:*:*:*:*:* | ||
45.0.1CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:45.0.1:*:*:*:*:*:*:* | ||
45.0.2CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:45.0.2:*:*:*:*:*:*:* | ||
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: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.
No media coverage found for this CVE.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.