CVE-2021-40393
gerbv - security update
9.8
CRITICAL
CVSS 3.1
EPSS 0.43%
Description
An out-of-bounds write vulnerability exists in the RS-274X aperture macro variables handling functionality of Gerbv 2.7.0 and dev (commit b5f1eacd) and the forked version of Gerbv (commit 71493260). A specially-crafted gerber file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability.
How to fix CVE-2021-40393
To remediate CVE-2021-40393, upgrade the affected package to a fixed version below.
- —upgrade to 2.7.0-2+deb11u2 or later
- —upgrade to 2.7.0-1+deb10u3 or later
- —upgrade to 2.7.0-2+deb11u2 or later
Is CVE-2021-40393 being exploited?
Low — EPSS is 0.4%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 2.7.0-2+deb11u2
- from 0, < 2.7.0-1+deb10u3
- from 0, < 2.7.0-2+deb11u2
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 |