Search/CVE-2021-40391
● CVE — Critical

CVE-2021-40391

Vendordebian, fedoraproject, gerbv projectProductdebian linux, fedora, gerbvDiscoveredNov 19, 2021UpdatedNov 21, 2024

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.

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CVSS v3.1
9.8 CRITICAL
EPSS
2.99%
probability of exploitation in 30 days
CISA KEV
Not listed
no confirmed exploitation reported
News coverage
0
sources referencing this CVE
Related IOCs
0
seen in the same coverage
EPSS Trend
Aug 16, 2026 → Sep 13, 2026
▲ 0.09pp
2.89% → 2.99% over 2 tracked changes
CVSS v3.1 Detail
Attack VectorNETWORK
Attack ComplexityLOW
Privileges RequiredNONE
User InteractionNONE
ScopeUNCHANGED
ConfidentialityHIGH
IntegrityHIGH
AvailabilityHIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Connections
4 relationships
Timeline
disclosure → media coverage
Nov 19, 2021
Disclosure — published as a CVE record. · last revised by NVD Nov 21, 2024