CVE-2021-40403

Name: CVE-2021-40403
Creator: NVD / NIST
Published: 2022-02-04T23:15:11.873+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.3/10EPSS 1.11%

Last modified Jun 17, 2026

CVE-2021-40403 is a medium-severity vulnerability rated 6.3/10 on the CVSS scale. An information disclosure vulnerability exists in the pick-and-place rotation parsing functionality of Gerbv 2.7.0 and dev (commit b5f1eacd), and Gerbv forked 2.8.0. A specially-crafted pick-and-place file can exploit the missing initialization of a structure to leak memory contents. EPSS estimates a 1.11% chance of exploitation in the next 30 days.

Description

An information disclosure vulnerability exists in the pick-and-place rotation parsing functionality of Gerbv 2.7.0 and dev (commit b5f1eacd), and Gerbv forked 2.8.0. A specially-crafted pick-and-place file can exploit the missing initialization of a structure to leak memory contents. An attacker can provide a malicious file to trigger this vulnerability.

Metrics

CVSS 3.1

6.3/10

CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:C/C:H/I:N/A:N

EPSS Probability

1.11%

61.8th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions	Update
Gerbv Project	Gerbv	2.7.0	—
Gerbv Project	Gerbv	2.8.0	Forked Dev
Fedoraproject	Fedora	36	—
Debian	Debian Linux	11.0	—

References

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PTGBC37N2FV7NKOWFVCFMPAFYEPHSB7C/
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1417Exploit, Third Party Advisory
https://www.debian.org/security/2022/dsa-5306Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PTGBC37N2FV7NKOWFVCFMPAFYEPHSB7C/
https://talosintelligence.com/vulnerability_reports/TALOS-2021-1417Exploit, Third Party Advisory
https://www.debian.org/security/2022/dsa-5306Third Party Advisory

Timeline

Published: Feb 4, 2022
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2021-40403?

How severe is CVE-2021-40403?

CVE-2021-40403 has a CVSS score of 6.3/10 (MEDIUM severity). The EPSS model estimates a 1.11% probability of exploitation in the next 30 days.

How do I fix CVE-2021-40403?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2021-40403?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST