CVE-2019-11739 describes a vulnerability in Mozilla Thunderbird versions prior to 68.1 and 60.9, where encrypted S/MIME parts within a specially crafted multipart/alternative email can inadvertently leak plaintext when included in an HTML reply or forward. This medium-severity vulnerability (CVSS 6.5) has a network attack vector and requires user interaction, potentially leading to a high impact on confidentiality. Despite its potential for information disclosure, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
< 60.9CPE match | cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* | ||
< 68.1CPE match | cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* | ||
< 60.9.0CPE matchmatch criteria | cpe:2.3:a:mozilla:thunderbird:*:*:*:*:*:*:*:* | ||
>= 68.0, < 68.1.0CPE 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:N/A:N
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.