High severity8.1NVD Advisory· Published Aug 8, 2021· Updated Jun 17, 2026
CVE-2020-36458
CVE-2020-36458
Description
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.
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Affected packages
Versions sourced from the GitHub Security Advisory.
| Package | Affected versions | Patched versions |
|---|---|---|
lexercrates.io | <= 0.1.16 | — |
Affected products
3- lexer/lexerdescription
Patches
Vulnerability mechanics
References
5- rustsec.org/advisories/RUSTSEC-2020-0138.htmlnvdExploitIssue TrackingPatchThird Party AdvisoryWEB
- github.com/advisories/GHSA-f997-8gxg-r354ghsaADVISORY
- nvd.nist.gov/vuln/detail/CVE-2020-36458ghsaADVISORY
- raw.githubusercontent.com/rustsec/advisory-db/main/crates/lexer/RUSTSEC-2020-0138.mdnvdThird Party AdvisoryWEB
- gitlab.com/nathanfaucett/rs-lexer/-/issues/2ghsaWEB
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