An issue was discovered in the tokio-rustls crate before 0.13.1 for Rust.
Priority LOW 36CWE-400Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-400.
Summary
An issue was discovered in the tokio-rustls crate before 0.13.1 for Rust. Excessive memory usage may occur when data arrives quickly.
Why it matters now
EPSS 0.01352 71st percentileScored 2026-11-07
Fix Fixed tokio-rustls (crates.io): 0.12.3, 0.13.1
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 |
| — | tokio-rustls (crates.io) | 0.12.0 to before 0.12.3 | 0.12.3 | Patch available | GHSA-2jfv-g3fh-xq3v |
| — | tokio-rustls (crates.io) | 0.13.0 to before 0.13.1 | 0.13.1 | Patch available | GHSA-2jfv-g3fh-xq3v |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- tokio-rustls (crates.io) Vendor— Affected 0.12.0 to before 0.12.3 Fixed in 0.12.3 Patch available GHSA-2jfv-g3fh-xq3v
- tokio-rustls (crates.io) Vendor— Affected 0.13.0 to before 0.13.1 Fixed in 0.13.1 Patch available GHSA-2jfv-g3fh-xq3v
Remediation
- Fix · GHSA-2jfv-g3fh-xq3v tokio-rustls (crates.io) Fixed in 0.12.3 Advisory →
- Fix · GHSA-2jfv-g3fh-xq3v tokio-rustls (crates.io) Fixed in 0.13.1 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2020-35875
- 2026-10-03 Alias added: GHSA-2jfv-g3fh-xq3v
References
Sources
- CVE-2020-35875 · CVE Program
- CVE-2020-35875 · NVD
- FIRST EPSS
- GHSA-2jfv-g3fh-xq3v · GitHub Advisory Database · CC BY 4.0
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