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CVE-2021-45926

25
FAUCET Score

CVE-2021-45926 describes a stack-based buffer overflow vulnerability in MDB Tools (mdbtools) version 0.9.2, specifically within the mdb_numeric_to_string function. This flaw could allow an authenticated local attacker to achieve high impact to confidentiality, integrity, and availability. With a CVSS score of 7.8 (High), the vulnerability is considered serious, but there is currently no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
0.9.2CPE matchmatch criteria
cpe:2.3:a:mdbtools_project:mdbtools:0.9.2:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

7.8HIGH

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

Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
1.8
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.43%
Probability of exploitation in next 30 days
EPSS Percentile
35.3%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0043 is in the 75th percentile among its peer group of 16,985 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.0 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (1)

github_advisorypatch availablevia nvd_reference
View patch

References

bugs.chromium.org / p/oss-fuzz/issues/detail
ExploitIssue TrackingThird Party Advisory
github.com / google/oss-fuzz-vulns/blob/main/vulns/mdbtools/OSV-2021-958.yaml
ExploitThird Party Advisory
github.com / mdbtools/mdbtools/commit/373b7ff4c4daf887269c078407cb1338942c4ea6
PatchThird Party Advisory
security.gentoo.org / glsa/202208-12
Third Party Advisory