CVE-2019-16139 json
Out of bounds access in compact_arena
published 2019-05-21 7 y ago modified 2026-06-17 4 mo ago also GHSA-7j36-gc4r-9x3r , RUSTSEC-2019-0015 , EUVD-2021-1621
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.9%
- EPSS 1.9% chance of exploitation in 30 days, percentile 79%
- public exploits
- 0
- none known
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.
Patch / fix
- crates.io compact_arena 0.4.0
- compact_arena_project compact_arena 0.4.0
Exploit prediction
1.85% chance of exploitation in the next 30 days, higher than 79% of all scored CVEs (FIRST EPSS, 2026-11-08).
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 9.0 | AV:N/AC:L/Au:N/C:P/I:P/A:C |
| OSV | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| GitHub | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| crates.io | compact_arena | <0.4.0 >=0.0.0-0, <0.4.0 |
0.4.0 |
Classification
References
-
rustsec.org
/advisories/RUSTSEC-2019-0015.html
web, third-party-advisory, advisory
-
github.com
/llogiq/compact_arena/issues/22
web, third-party-advisory, report
-
nvd.nist.gov
/vuln/detail/CVE-2019-16139
advisory
-
github.com
/llogiq/compact_arena
package
-
crates.io
/crates/compact_arena
package
Sources
- CVE List CVE-2019-16139
- GitHub Advisory GHSA-7j36-gc4r-9x3r
- NVD CVE-2019-16139
- OSV RUSTSEC-2019-0015
Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.