CVE-2017-7828 is a critical use-after-free vulnerability affecting Firefox versions prior to 57, Firefox ESR prior to 52.5, and Thunderbird prior to 52.5. This flaw occurs when the "PressShell" object is prematurely freed during layout flushing and resizing, leading to a potentially exploitable crash. With a CVSS score of 9.8 (CRITICAL), it presents a severe risk, allowing for potential remote code execution and full compromise of confidentiality, integrity, and availability without user interaction. While no public exploit code or active exploitation has been observed, and community discussion is minimal, its high severity warrants immediate patching.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
7.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:7.0:*:*:*:*:*:*:* | ||
8.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | ||
9.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | ||
6.0CPE matchmatch criteria | cpe:2.3:o:redhat:enterprise_linux_desktop:6.0:*:*:*:*:*:*:* | ||
7.0CPE matchmatch criteria | cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:*:*:*:*:*:*:* |
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.
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.