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CVE-2018-20998

29
FAUCET Score

CVE-2018-20998 is a critical memory corruption vulnerability affecting the arrayfire crate for Rust, specifically versions prior to 3.6.0. The flaw arises from mishandling of the repr() attribute when applied to an enum. With a CVSS score of 9.8 (CRITICAL), this vulnerability is easily exploitable over the network with low complexity, allowing for complete compromise of confidentiality, integrity, and availability. There is currently no evidence of active exploitation, public exploit code, or significant community discussion surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
< 3.6.0CPE matchmatch criteria
cpe:2.3:a:arrayfire:arrayfire:*:*:*:*:*:*:*:*

CVSS Data

CVSS version used by this source: 3.0

9.8CRITICAL

CVSS:3.0/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
3.0

Exploit Intelligence

EPSS Score
1.65%
Probability of exploitation in next 30 days
EPSS Percentile
74.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-27
Model: v2026.06.15
This CVE's current EPSS score of 0.0164 is in the 62nd percentile among its peer group of 36,862 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 (2)

pippatch availablevia ghsa
Product: arrayfireFixed in: 3.6.0
rustpatch availablevia ghsa
Product: arrayfireFixed in: 3.6.0

Vendor Advisories (1)

rustGHSA-69fv-gw6g-8ccgcritical

Potential memory corruption in arrayfire

Aug 25, 2021

References

rustsec.org / advisories/RUSTSEC-2018-0011.html
Third Party Advisory