CVE-2019-9790 is a critical use-after-free vulnerability affecting Mozilla Firefox (versions < 66), Firefox ESR (versions < 60.6), and Thunderbird (versions < 60.6). This flaw occurs when JavaScript obtains a raw pointer to a DOM element that is subsequently removed while still in use, leading to a potentially exploitable crash. With a CVSS score of 9.8 (CRITICAL), it has a high impact on confidentiality, integrity, and availability, and can be exploited remotely with low attack complexity and no user interaction. While there is no evidence of active exploitation, public exploit code, or inclusion in the KEV catalog, the vulnerability has garnered significant community discussion with 10 mentions.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
<= 60.6CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* | ||
<= 66.0CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* | ||
<= 60.6CPE matchmatch criteria | cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* |
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.