CVE-2020-35113 describes memory safety bugs in Mozilla Firefox, Firefox ESR, and Thunderbird versions prior to 84, 78.6, and 78.6 respectively. These bugs could lead to memory corruption, potentially allowing arbitrary code execution with sufficient effort. The vulnerability carries a high CVSS score of 8.8, indicating a critical risk due to its network-based attack vector, low attack complexity, and high impact on confidentiality, integrity, and availability. While there is no evidence of active exploitation, public exploit code, or inclusion in the KEV catalog, the vulnerability has garnered some community discussion and media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 84.0CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox:*:*:*:*:*:*:*:* | ||
< 78.6.0CPE matchmatch criteria | cpe:2.3:a:mozilla:firefox_esr:*:*:*:*:*:*:*:* | ||
< 78.6.0CPE matchmatch criteria | cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* |
CVSS version used by this source: 3.1
CVSS:3.1/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.