CVE-2020-35904

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 crossbeam-channel crate before 0.4.4 for Rust. It has incorrect expectations about the relationship between the memory allocation and how many iterator elements there are.

Affected products

Crossbeam-Channel Project Crossbeam-Channel: before 0.4.4 — fixed in 0.4.4

How to fix

Upgrade to a fixed version: Crossbeam-Channel Project Crossbeam-Channel 0.4.4. Check the vendor advisory for mitigations.

References

https://rustsec.org/advisories/RUSTSEC-2020-0052.html
https://rustsec.org/advisories/RUSTSEC-2020-0052.html

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