CVE-2020-27347
7.8
HIGH
CVSS 3.1
EPSS 0.22%
Description
In tmux before version 3.1c the function input_csi_dispatch_sgr_colon() in file input.c contained a stack-based buffer-overflow that can be exploited by terminal output.
How to fix CVE-2020-27347
To remediate CVE-2020-27347, upgrade the affected package to a fixed version below.
- Alpine/tmux—upgrade to 2.9a-r2 or later
- Debian/tmux—upgrade to 3.1c-1 or later
Is CVE-2020-27347 being exploited?
Low — EPSS is 0.2%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 2.9a-r2
- from 0, < 3.1c-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |