CVE-2021-40391 is a critical out-of-bounds write vulnerability affecting Gerbv 2.7.0 and its development versions, specifically within the drill format T-code tool number functionality. This flaw impacts various distributions including Debian and Fedora, as well as the Gerbv project itself. With a CVSS score of 9.8, this vulnerability is easily exploitable remotely without user interaction, allowing for potential code execution, complete compromise of confidentiality, integrity, and availability. While there is no known active exploitation or public exploit code (Metasploit, Nuclei, ExploitDB), the vulnerability has garnered some community discussion and media coverage, indicating awareness.
| Vendor | Product | Version(s) | CPE |
|---|---|---|---|
2.7.0CPE matchmatch criteria | cpe:2.3:a:gerbv_project:gerbv:2.7.0:-:*:*:*:*:*:* | ||
2.7.0CPE matchmatch criteria | cpe:2.3:a:gerbv_project:gerbv:2.7.0:dev:*:*:*:*:*:* | ||
2.7.0CPE matchmatch criteria | cpe:2.3:a:gerbv_project:gerbv:2.7.0:forked_dev:*:*:*:*:*:* | ||
9.0CPE matchmatch criteria | cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* | ||
36CPE matchmatch criteria | cpe:2.3:o:fedoraproject:fedora:36:*:*:*:*:*:*:* |
CVSS version used by this source: 3.0
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H
The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 GitHub mentions.
The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.
Remediation records are not available for this CVE.