An issue was discovered in the bitvec crate before 0.17.4 for Rust.
Priority MEDIUM 45CWE-415Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- Fixed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA and GitHub. Impact type from CWE-415 and the CVSS impact.
Summary
An issue was discovered in the bitvec crate before 0.17.4 for Rust. BitVec to BitBox conversion leads to a use-after-free or double free.
Why it matters now
EPSS 0.01649 76th percentileScored 2026-11-08
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Fixed bitvec (crates.io): 0.17.4
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 |
| — | bitvec (crates.io) | 0.11.0 to before 0.17.4 | 0.17.4 | Patch available | GHSA-7cjc-hvxf-gqh7 |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- bitvec (crates.io) Vendor— Affected 0.11.0 to before 0.17.4 Fixed in 0.17.4 Patch available GHSA-7cjc-hvxf-gqh7
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:bitvec_project:bitvec:*:*:*:*:*:rust:*:* | before 0.17.4 | Vulnerable | Bitvec Project |
- cpe:2.3:a:bitvec_project:bitvec:*:*:*:*:*:rust:*:* Versions before 0.17.4 Vulnerable ·Bitvec Project
Remediation
- Fix · GHSA-7cjc-hvxf-gqh7 bitvec (crates.io) Fixed in 0.17.4 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2020-35862
- 2026-10-03 Alias added: GHSA-7cjc-hvxf-gqh7
References
Sources
- CVE-2020-35862 · CVE Program
- CVE-2020-35862 · NVD
- FIRST EPSS
- GHSA-7cjc-hvxf-gqh7 · GitHub Advisory Database · CC BY 4.0
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