VULNERABILITY INTELLIGENCE

CVE-2021-40391

CVSS score9.8 CRITICAL
EPSS probability2.99%
CISA KEVNot currently listed
Published2021-11-19
Last modified2026-06-17
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Description

An out-of-bounds write vulnerability exists in the drill format T-code tool number functionality of Gerbv 2.7.0, dev (commit b5f1eacd), and the forked version of Gerbv (commit 71493260). A specially-crafted drill file can lead to code execution. An attacker can provide a malicious file to trigger this vulnerability.

Weakness classification

  • talos-cna@cisco.com: CWE-390
  • nvd@nist.gov: CWE-755

Primary references