CVE-2021-45694 json
Window may read from uninitialized memory locations in rdiff
published 2021-02-03 5 y ago modified 2026-06-17 4 mo ago also GHSA-2rxc-8f9w-fjq8 , GHSA-q579-9wp9-gfp2 , RUSTSEC-2021-0094 , EUVD-2022-0427
- cvss
- 7.5
- version 3.1, NVD
- cisa kev
- Not listed
- not in CISA's catalog
- epss
- 1.1%
- EPSS 1.1% chance of exploitation in 30 days, percentile 65%
- public exploits
- 0
- none known
Summary
An issue was discovered in the rdiff crate through 2021-02-03 for Rust. Window may read from uninitialized memory locations.
Exploit prediction
1.09% chance of exploitation in the next 30 days, higher than 65% of all scored CVEs (FIRST EPSS, 2026-11-08).
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:H/I:N/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:P/I:N/A:N |
| GitHub | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| crates.io | rdiff | <=0.1.2 >=0.0.0-0 |
no fix listed |
Classification
- Weakness
-
- CWE-908 Use of Uninitialized Resource
References
-
rustsec.org
/advisories/RUSTSEC-2021-0094.html
web, third-party-advisory, advisory
-
raw.githubusercontent.com
/rustsec/advisory-db/main/crates/rdiff/RUSTSEC-2021-0094.md
web, third-party-advisory
-
nvd.nist.gov
/vuln/detail/CVE-2021-45694
advisory
-
github.com
/dyule/rdiff/issues/3
web, report
-
github.com
/dyule/rdiff
package
-
crates.io
/crates/rdiff
package
Sources
- CVE List CVE-2021-45694
- GitHub Advisory GHSA-2rxc-8f9w-fjq8
- GitHub Advisory GHSA-q579-9wp9-gfp2
- NVD CVE-2021-45694
- OSV RUSTSEC-2021-0094
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.