CVE-2020-6795 describes a null pointer dereference vulnerability in Mozilla Thunderbird versions prior to 68.5. This flaw occurs when processing S/MIME messages with multiple signatures, leading to an unexploitable crash of the application. Rated as Medium severity with a CVSS score of 6.5, the vulnerability requires user interaction (UI:R) and can be triggered remotely (AV:N), but its impact is limited to availability (A:H) due to the unexploitable crash. There is no confidentiality or integrity impact. Currently, there is no evidence of active exploitation, nor is there publicly available exploit code in Metasploit, Nuclei, or ExploitDB. The vulnerability has received minimal community discussion and media coverage.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 68.5.0CPE matchmatch criteria | cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* | ||
< 68.5CPE match | 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:N/I:N/A:H
No social media mentions found for this CVE.
The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.0 Mastodon, and 0.1 GitHub mentions.
No media coverage found for this CVE.
The average CVE in this peer group has 0.1 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.