CVE-2021-40391

CRITICAL

gerbv - Out-of-Bounds Write via Drill Format T-Code Tool Number

Title source: llm
STIX 2.1

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.

References (3)

Core 3
Core References
Exploit, Third Party Advisory x_refsource_misc
https://www.talosintelligence.com/vulnerability_reports/TALOS-2021-1402
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2021/12/msg00003.html

Scores

CVSS v3 9.8
EPSS 0.0047
EPSS Percentile 64.9%
Attack Vector NETWORK
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-390 CWE-755 CWE-787
Status published
Products (3)
debian/debian_linux 9.0
fedoraproject/fedora 36
gerbv_project/gerbv 2.7.0 (3 CPE variants)
Published Nov 19, 2021
Tracked Since Feb 18, 2026