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CVE-2021-25908

22
FAUCET Score

CVE-2021-25908 is a double free vulnerability affecting the fil-ocl crate for Rust, specifically in versions up to 2021-01-04, where the From<EventList> function can trigger the flaw. This vulnerability carries a CVSSv3.1 score of 7.5 (HIGH), indicating a network-exploitable issue with low attack complexity that can lead to high availability impact. There is currently no evidence of active exploitation, public exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage surrounding this CVE.

Impacted Technologies

VendorProductVersion(s)CPE
>= 0.12.0, <= 0.19.4CPE matchmatch criteria
cpe:2.3:a:fil-ocl_project:fil-ocl:*:*:*:*:*:rust:*:*

CVSS Data

CVSS version used by this source: 3.1

7.5HIGH

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

Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
Exploitability Score
3.9
Impact Score
3.6
CvssVersion
3.1

Exploit Intelligence

EPSS Score
1.33%
Probability of exploitation in next 30 days
EPSS Percentile
68.0%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0133 is in the 48th percentile among its peer group of 51,485 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.0 Reddit, 0.1 Bluesky, 0.1 Mastodon, and 0.4 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

Vendor Advisories (1)

rustGHSA-x3v2-fgr6-3wmmhigh

Double free in fil-ocl

Aug 25, 2021

References

rustsec.org / advisories/RUSTSEC-2021-0011.html
ExploitThird Party Advisory