CVE-2020-36773
9.8
CRITICAL
CVSS 3.1
EPSS 0.11%
Description
Artifex Ghostscript before 9.53.0 has an out-of-bounds write and use-after-free in devices/vector/gdevtxtw.c (for txtwrite) because a single character code in a PDF document can map to more than one Unicode code point (e.g., for a ligature).
How to fix CVE-2020-36773
To remediate CVE-2020-36773, upgrade the affected package to a fixed version below.
- Debian/ghostscript—upgrade to 9.53.0~dfsg-1 or later
Is CVE-2020-36773 being exploited?
Low — EPSS is 0.1%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 9.53.0~dfsg-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 |