What’s Vulnerable › Vulnerabilities

CVE-2020-35921: `miow` invalidly assumes the memory layout of std::net::SocketAddr

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2020-12-31 · updated 2026-06-17

Description

An issue was discovered in the miow crate before 0.3.6 for Rust. It has false expectations about the std::net::SocketAddr memory representation.

Affected products

• Miow Project Miow: before 0.2.2; from 0.3.0 before 0.3.6 — fixed in 0.2.2, 0.3.6
• Crates.Io Miow: from 0.0.0-0 before 0.2.2; from 0.3.0-0 before 0.3.6 — fixed in 0.2.2, 0.3.6

How to fix

Upgrade to a fixed version: Miow Project Miow 0.2.2, 0.3.6; Crates.Io Miow 0.2.2, 0.3.6. Check the vendor advisory for mitigations.

References

• https://rustsec.org/advisories/RUSTSEC-2020-0080.html
• https://rustsec.org/advisories/RUSTSEC-2020-0080.html

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