CVE-2021-3781
ghostscript - security update
9.9
CRITICAL
CVSS 3.1
EPSS 6.5%
Description
A trivial sandbox (enabled with the `-dSAFER` option) escape flaw was found in the ghostscript interpreter by injecting a specially crafted pipe command. This flaw allows a specially crafted document to execute arbitrary commands on the system in the context of the ghostscript interpreter. The highest threat from this vulnerability is to confidentiality, integrity, as well as system availability.
How to fix CVE-2021-3781
To remediate CVE-2021-3781, upgrade the affected package to a fixed version below.
- —upgrade to 9.53.3-r1 or later
- —upgrade to 9.53.3~dfsg-7+deb11u1 or later
- —upgrade to 9.53.3~dfsg-7+deb11u1 or later
Is CVE-2021-3781 being exploited?
Moderate — EPSS is 6.5%. Track this CVE but it's not at the top of the prioritisation list.
Affected packages (3)
- from 0, < 9.53.3-r1
- from 0, < 9.53.3~dfsg-7+deb11u1
- from 0, < 9.53.3~dfsg-7+deb11u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.9 | CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H |