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CVE-2021-46225

17
FAUCET Score

CVE-2021-46225 describes a buffer overflow vulnerability within the GmfOpenMesh() function of libMeshb v7.61. This flaw allows an unauthenticated attacker to trigger a Denial of Service (DoS) by enticing a user to open a specially crafted MESH file. Rated 6.5 Medium, the attack requires user interaction (UI:R) but can be executed over a network (AV:N) with low complexity (AC:L), leading to high availability impact (A:H). Currently, there is no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
7.61CPE matchmatch criteria
cpe:2.3:a:libmeshb_project:libmeshb:7.61:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.1

6.5MEDIUM

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
2.8
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.98%
Probability of exploitation in next 30 days
EPSS Percentile
58.7%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0098 is in the 71st percentile among its peer group of 26,234 CVEs.

Social Chatter

No social media mentions found for this CVE.

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

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.1 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

github.com / LoicMarechal/libMeshb/commit/8cd68c54e0647c0030ae4506a225ad4a2655c316
PatchThird Party Advisory
github.com / LoicMarechal/libMeshb/issues/21
ExploitIssue TrackingThird Party Advisory