Vulnerability in Pimeys Web-Push

CVE-2025-53604

The web-push crate before 0.10.3 for Rust allows a denial of service (memory consumption) in the built-in clients via a large integer in a Content-Length header.

Published · last modified .

CVSS v3 metric

CVSS v3 base score 4.0 (Medium). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:N/A:L.

EPSS exploit prediction

EPSS: 0.004 (29.8th percentile), scored .

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 30th percentile — 29.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS trend (30 days)EPSS over the last 30 days for CVE-2025-53604: held from 0.003 to 0.004.

EPSS over last 30 days · oldest: 0.003 · newest: 0.004 · change: +0.000

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2025-53604?
CVE-2025-53604 is a medium-severity vulnerability in Pimeys Web-Push, classified under Improper Handling of Length Parameter Inconsistency. CVSS score: 4.0/10. Published 2025-07-05.
How severe is CVE-2025-53604?
Medium severity. CVSS v3 base score is 4.0 out of 10.