What’s Vulnerable › Vulnerabilities

CVE-2020-35919: socket2 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 net2 crate before 0.2.36 for Rust. It has false expectations about the std::net::SocketAddr memory representation.

Affected products

Net2 Project Net2: before 0.2.36 — fixed in 0.2.36
Crates.Io Net2: from 0.0.0-0 before 0.2.36 — fixed in 0.2.36
Crates.Io Socket2: before 0.3.16 — fixed in 0.3.16

How to fix

Upgrade to a fixed version: Net2 Project Net2 0.2.36; Crates.Io Net2 0.2.36; Crates.Io Socket2 0.3.16. Check the vendor advisory for mitigations.

References

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