CVE-2020-36458: Lexer Project Lexer

High severity, CVSS 8.1. EPSS: 0.8% chance of exploitation in the next 30 days.

An issue was discovered in the lexer crate through 2020-11-10 for Rust. For ReaderResult<T, E>, there is an implementation of Sync with a trait bound of T: Send, E: Send.

Affected products

• Lexer Project Lexer: up to and including 2020-11-10

Published 2021-08-08. Last modified 2026-06-17.