CVE-2021-40391

CRITICAL

Gerbv <2.7.0 - Code Injection

Title source: llm

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)

[Mailing List, Third Party Advisory] https://lists.debian.org/debian-lts-announce/2021/12/msg00003.html

[Exploit, Third Party Advisory] https://www.talosintelligence.com/vulnerability_reports/TALOS-2021-1402

[Mailing List, Third Party Advisory] https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TUM5GIUZJ7AVHVCXDZW6ZVCAPV2ISN47/

Scores

CVSS v3 9.8

EPSS 0.0047

EPSS Percentile 64.4%

Attack Vector NETWORK

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

Classification

CWE

CWE-390 CWE-755 CWE-787

Status published

Affected Products (5)

gerbv_project/gerbv

debian/debian_linux

fedoraproject/fedora

Timeline

Published Nov 19, 2021

Tracked Since Feb 18, 2026