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CVE-2019-25004

29
FAUCET Score

CVE-2019-25004 is a critical vulnerability (CVSS 9.8) affecting the flatbuffers Rust crate before version 0.6.1, specifically impacting Google Flatbuffers. It allows arbitrary bytes to be reinterpreted as a boolean, leading to soundness issues and potential compromise of confidentiality, integrity, and availability. The attack vector is network-based with low complexity, requiring no user interaction or privileges. Despite its high severity, there is currently no evidence of active exploitation, public exploit code, or significant community discussion or media coverage.

Impacted Technologies

VendorProductVersion(s)CPE
>= 0.4.0, < 0.6.1CPE matchmatch criteria
cpe:2.3:a:google:flatbuffers:*:*:*:*:*:rust:*:*

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
5.9
CvssVersion
3.1

Exploit Intelligence

EPSS Score
0.57%
Probability of exploitation in next 30 days
EPSS Percentile
44.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-25
Model: v2026.06.15
This CVE's current EPSS score of 0.0057 is in the 24th percentile among its peer group of 36,833 CVEs.

Social Chatter

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.

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)

rustpatch availablevia ghsa
Product: flatbuffersFixed in: 0.6.1

Vendor Advisories (1)

rustGHSA-gx73-2498-r55ccritical

Unsound casting in flatbuffers

Aug 25, 2021

References

rustsec.org / advisories/RUSTSEC-2019-0028.html
ExploitThird Party Advisory