CVE-2020-35874 json
Use after free in internment
published 2020-05-28 6 y ago modified 2026-06-17 4 mo ago also GHSA-96w3-p368-4h8c , RUSTSEC-2020-0017 , EUVD-2021-1652
- cvss
- 8.1
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.0%
- EPSS 1.0% chance of exploitation in 30 days, percentile 62%
- public exploits
- 0
- none known
Summary
An issue was discovered in the internment crate through 2020-05-28 for Rust. ArcIntern::drop has a race condition and resultant use-after-free.
Patch / fix
Exploit prediction
0.97% chance of exploitation in the next 30 days, higher than 62% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- rustsec.org https://rustsec.org/advisories/RUSTSEC-2020-0017.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 6.8 | AV:N/AC:M/Au:N/C:P/I:P/A:P |
| OSV | 3.1 | 8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
| GitHub | 3.1 | 8.1 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| crates.io | internment | >=0.3.12, <0.4.0 |
0.4.0 |
Classification
References
-
rustsec.org
/advisories/RUSTSEC-2020-0017.html
web, exploit, patch, third-party-advisory, advisory
-
nvd.nist.gov
/vuln/detail/CVE-2020-35874
advisory
-
github.com
/droundy/internment/issues/11
web, report
-
github.com
/droundy/internment
package
-
crates.io
/crates/internment
package
Sources
- CVE List CVE-2020-35874
- GitHub Advisory GHSA-96w3-p368-4h8c
- NVD CVE-2020-35874
- OSV RUSTSEC-2020-0017
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