CVE-2020-15917
CRITICAL9.8EPSS 2.2%Published: 7/23/2020Modified: 4/28/2026
Description
common/session.c in Claws Mail before 3.17.6 has a protocol violation because suffix data after STARTTLS is mishandled.
Affected packages (1)
- Debian/claws-mailfrom 0, < 3.17.6-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |