CVE-2020-9366
9.8
CRITICAL
CVSS 3.1
EPSS 0.73%
Description
A buffer overflow was found in the way GNU Screen before 4.8.0 treated the special escape OSC 49. Specially crafted output, or a special program, could corrupt memory and crash Screen or possibly have unspecified other impact.
How to fix CVE-2020-9366
To remediate CVE-2020-9366, upgrade the affected package to a fixed version below.
- Alpine/screen—upgrade to 4.6.2-r1 or later
- Debian/screen—upgrade to 4.8.0-1 or later
Is CVE-2020-9366 being exploited?
Low — EPSS is 0.7%, meaning exploitation activity has not been observed at scale.
Affected packages (2)
- from 0, < 4.6.2-r1
- from 0, < 4.8.0-1
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 |