Critical severity9.8NVD Advisory· Published Nov 19, 2021· Updated Jun 17, 2026
CVE-2021-40391
CVE-2021-40391
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.
AI Insight
LLM-synthesized narrative grounded in this CVE's description and references.
Affected products
7cpe:2.3:a:gerbv_project:gerbv:2.7.0:-:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:gerbv_project:gerbv:2.7.0:-:*:*:*:*:*:*
- cpe:2.3:a:gerbv_project:gerbv:2.7.0:dev:*:*:*:*:*:*
- cpe:2.3:a:gerbv_project:gerbv:2.7.0:forked_dev:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:*
Patches
Vulnerability mechanics
References
3- www.talosintelligence.com/vulnerability_reports/TALOS-2021-1402nvdExploitThird Party Advisory
- lists.debian.org/debian-lts-announce/2021/12/msg00003.htmlnvdMailing ListThird Party Advisory
- lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TUM5GIUZJ7AVHVCXDZW6ZVCAPV2ISN47/nvd
News mentions
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