An issue was discovered in the lexer crate through 2020-11-10 for Rust.
Priority LOW 37CWE-362Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- High
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-77.
Summary
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.
Why it matters now
EPSS 0.00833 57th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
| — | lexer (crates.io) | up to 0.1.16 | — | No fix listed | GHSA-f997-8gxg-r354 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- lexer (crates.io) Vendor— Affected up to 0.1.16 Fixed in — No fix listed GHSA-f997-8gxg-r354
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:lexer_project:lexer:*:*:*:*:*:rust:*:* | up to 2020-11-10 | Vulnerable | Lexer Project |
- cpe:2.3:a:lexer_project:lexer:*:*:*:*:*:rust:*:* Versions up to 2020-11-10 Vulnerable ·Lexer Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2020-36458
- 2026-10-03 Alias added: GHSA-f997-8gxg-r354
References
Advisory 2
Sources
- CVE-2020-36458 · CVE Program
- CVE-2020-36458 · NVD
- FIRST EPSS
- GHSA-f997-8gxg-r354 · GitHub Advisory Database · CC BY 4.0
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