An issue was discovered in the compact_arena crate before 0.4.0 for Rust.
Priority MEDIUM 46CWE-125Published · 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-787 and the CVSS impact.
Summary
An issue was discovered in the compact_arena crate before 0.4.0 for Rust. Generativity is mishandled, leading to an out-of-bounds write or read.
Why it matters now
EPSS 0.01855 79th percentileScored 2026-11-07
Fix Fixed compact_arena (crates.io): 0.4.0
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 |
| — | compact_arena (crates.io) | before 0.4.0 | 0.4.0 | Patch available | GHSA-7j36-gc4r-9x3r |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
- compact_arena (crates.io) Vendor— Affected before 0.4.0 Fixed in 0.4.0 Patch available GHSA-7j36-gc4r-9x3r
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:compact_arena_project:compact_arena:*:*:*:*:*:*:*:* | before 0.4.0 | Vulnerable | Compact Arena Project |
- cpe:2.3:a:compact_arena_project:compact_arena:*:*:*:*:*:*:*:* Versions before 0.4.0 Vulnerable ·Compact Arena Project
Remediation
- Fix · GHSA-7j36-gc4r-9x3r compact_arena (crates.io) Fixed in 0.4.0 Advisory →
Timeline
- 2026-10-02 Threatist record created from CVE-2019-16139
- 2026-10-03 Alias added: GHSA-7j36-gc4r-9x3r
References
Sources
- CVE-2019-16139 · CVE Program
- CVE-2019-16139 · NVD
- FIRST EPSS
- GHSA-7j36-gc4r-9x3r · GitHub Advisory Database · CC BY 4.0
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