What’s Vulnerable › Vulnerabilities

CVE-2020-25574

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 2.5% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-09-14 · updated 2026-06-17
• Weakness: CWE-190

Description

An issue was discovered in the http crate before 0.1.20 for Rust. An integer overflow in HeaderMap::reserve() could result in denial of service (e.g., an infinite loop).

Affected products

• Hyper Http: before 0.1.20 — fixed in 0.1.20

How to fix

Upgrade to a fixed version: Hyper Http 0.1.20. Check the vendor advisory for mitigations.

References

• https://github.com/hyperium/http/issues/352
• https://rustsec.org/advisories/RUSTSEC-2019-0033.html
• https://github.com/hyperium/http/issues/352
• https://rustsec.org/advisories/RUSTSEC-2019-0033.html

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