What is CVE-2022-25326?

CVE-2022-25326 is a medium-severity vulnerability in Google Fscrypt, classified under Uncontrolled Resource Consumption. CVSS score: 5.5/10. Published 2022-02-25.

How severe is CVE-2022-25326?

Medium severity. CVSS v3 base score is 5.5 out of 10.

Is CVE-2022-25326 known to be exploited?

1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.

Resource exhaustion in Google Fscrypt

CVE-2022-25326

fscrypt through v0.3.2 creates a world-writable directory by default when setting up a filesystem, allowing unprivileged users to exhaust filesystem space. We recommend upgrading to fscrypt 0.3.3 or above and adjusting the permissions on existing fscrypt metadata directories where applicable.

Vulnerability class: DoS (Denial of Service)

Published 2022-02-25 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 5.5 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H.

EPSS exploit prediction

EPSS: 0.001 (2.2th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 2nd percentile — 2.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.001 · newest: 0.001 · change: 0.000

Affected products

Google Fscrypt
Google Llc Fscrypt — versions unspecified

Weakness classification (CWE)

CWE-400 — Uncontrolled Resource Consumption

Public proof-of-concept exploits

ARPSyndicate/cvemon

References

github.com/google/fscrypt/pull/346 (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2022-25326?: CVE-2022-25326 is a medium-severity vulnerability in Google Fscrypt, classified under Uncontrolled Resource Consumption. CVSS score: 5.5/10. Published 2022-02-25.
How severe is CVE-2022-25326?: Medium severity. CVSS v3 base score is 5.5 out of 10.
Is CVE-2022-25326 known to be exploited?: 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.