CVE-2025-53604

low-risk
Published 2025-07-05

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.

Do I need to act?

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0.07% chance of exploitation
EPSS score — low exploit probability
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Not on CISA KEV list
No confirmed active exploitation reported to CISA
?
Patch status unknown
Check vendor advisories for fix availability and mitigation guidance
4
CVSS 4.0/10 Medium
NETWORK / HIGH complexity
18
/ 100
low-risk
Severity 13/34 · Low
Exploitability 0/34 · Minimal
Exposure 5/34 · Minimal