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CVE-2021-25902

23
FAUCET Score

CVE-2021-25902 is a high-severity vulnerability affecting the glsl-layout Rust crate prior to version 0.4.0, where a double-free condition can occur in the map_array function during a panic, leading to a denial of service. The vulnerability has a CVSS score of 7.5, indicating a high impact on availability with low attack complexity and no user interaction required. There is currently no evidence of active exploitation, nor are there any public exploits or Metasploit modules available. Community discussion and media coverage are minimal, suggesting low awareness of this issue.

Impacted Technologies

VendorProductVersion(s)CPE
< 0.4.0CPE matchmatch criteria
cpe:2.3:a:glsl-layout_project:glsl-layout:*:*:*:*:*: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
1.39%
Probability of exploitation in next 30 days
EPSS Percentile
69.5%
Percentile rank of EPSS score among Peer Group
As of 2026-07-26
Model: v2026.06.15
This CVE's current EPSS score of 0.0139 is in the 50th 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

Patch Available

Vendor Patches (1)

rustpatch availablevia ghsa
Product: glsl-layoutFixed in: 0.4.0

Vendor Advisories (1)

rustGHSA-cx4j-fxr7-jxg8high

Double free in glsl-layout

Aug 25, 2021

References

rustsec.org / advisories/RUSTSEC-2021-0005.html
ExploitThird Party Advisory