CVE-2020-36215 json
Data races in hashconsing
published 2020-11-10 5 y ago modified 2026-06-17 4 mo ago also GHSA-rw2c-c256-3r53 , RUSTSEC-2020-0107 , EUVD-2021-1877
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.4%
- EPSS 1.4% chance of exploitation in 30 days, percentile 72%
- public exploits
- 0
- none known
Summary
An issue was discovered in the hashconsing crate before 1.1.0 for Rust. Because HConsed does not have bounds on its Send trait or Sync trait, memory corruption can occur.
Patch / fix
- crates.io hashconsing 1.1.0
- hashconsing_project hashconsing 1.1.0
Exploit prediction
1.38% chance of exploitation in the next 30 days, higher than 72% of all scored CVEs (FIRST EPSS, 2026-11-08).
Exploits and checks
- rustsec.org https://rustsec.org/advisories/RUSTSEC-2020-0107.html referenced PoC, tagged "exploit" by a source, unverified
CVSS scores
| assigned by | version | score | vector |
|---|---|---|---|
| NVD | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:N/A:P |
| OSV | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
| GitHub | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| crates.io | hashconsing | <1.1.0 >=0.0.0-0, <1.1.0 |
1.1.0 |
Classification
References
-
rustsec.org
/advisories/RUSTSEC-2020-0107.html
web, exploit, vendor-advisory, advisory
-
nvd.nist.gov
/vuln/detail/CVE-2020-36215
advisory
-
github.com
/AdrienChampion/hashconsing/issues/1
web, report
-
github.com
/AdrienChampion/hashconsing
package
-
crates.io
/crates/hashconsing
package
Sources
- CVE List CVE-2020-36215
- GitHub Advisory GHSA-rw2c-c256-3r53
- NVD CVE-2020-36215
- OSV RUSTSEC-2020-0107
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.