CVE-2021-45705 json
Pointer dereference in nanorand
published 2021-09-23 5 y ago modified 2026-06-17 4 mo ago also GHSA-p6gj-gpc8-f8xw , GHSA-r57r-j98g-587f , RUSTSEC-2021-0114 , EUVD-2022-0681
- cvss
- 9.8
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.2%
- EPSS 1.2% chance of exploitation in 30 days, percentile 69%
- public exploits
- 0
- none known
Summary
An issue was discovered in the nanorand crate before 0.6.1 for Rust. There can be multiple mutable references to the same object because the TlsWyRand Deref implementation dereferences a raw pointer.
Patch / fix
- crates.io nanorand 0.6.1
- nanorand_project nanorand 0.6.1
Exploit prediction
1.23% chance of exploitation in the next 30 days, higher than 69% 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 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
| 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 | nanorand | >=0.5.0, <0.6.1 |
0.6.1 |
References
-
rustsec.org
/advisories/RUSTSEC-2021-0114.html
web, third-party-advisory, advisory
-
raw.githubusercontent.com
/rustsec/advisory-db/main/crates/nanorand/RUSTSEC-2021-0114.md
web, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-45705
advisory
-
github.com
/Absolucy/nanorand-rs/issues/28
web, report
-
github.com
/Absolucy/nanorand-rs
package
-
crates.io
/crates/nanorand
package
Sources
- CVE List CVE-2021-45705
- GitHub Advisory GHSA-r57r-j98g-587f
- GitHub Advisory GHSA-p6gj-gpc8-f8xw
- NVD CVE-2021-45705
- OSV RUSTSEC-2021-0114
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.