CVE-2021-40394
Publication date 22 December 2021
Last updated 26 August 2025
Ubuntu priority
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.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| gerbv | 25.10 questing |
Not affected
|
| 25.04 plucky |
Not affected
|
|
| 24.04 LTS noble |
Not affected
|
|
| 22.04 LTS jammy |
Fixed 2.8.2-1ubuntu0.1~esm1
|
|
| 20.04 LTS focal |
Fixed 2.7.0-1ubuntu0.1
|
|
| 18.04 LTS bionic |
Fixed 2.6.1-3ubuntu0.1~esm1
|
|
| 16.04 LTS xenial |
Fixed 2.6.0-1ubuntu0.16.04.1~esm1
|
|
| 14.04 LTS trusty |
Fixed 2.6.0-1ubuntu0.14.04.1~esm1
|
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Get Ubuntu Pro 30-day free trialSeverity score breakdown
| Parameter | Value |
|---|---|
| Base score |
10.0 · Critical
|
| Attack vector | Network |
| Attack complexity | Low |
| Privileges required | None |
| User interaction | None |
| Scope | Changed |
| Confidentiality | High |
| Integrity impact | High |
| Availability impact | High |
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H |