CVE-2020-35894 json
Unaligned references in Obstack
published 2020-09-03 6 y ago modified 2026-06-17 4 mo ago also GHSA-85j6-f8j6-q26x , RUSTSEC-2020-0040 , EUVD-2021-1631
- cvss
- 7.5
- 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 67%
- public exploits
- 0
- none known
Summary
An issue was discovered in the obstack crate before 0.1.4 for Rust. Unaligned references can occur.
Patch / fix
- crates.io obstack 0.1.4
- obstack_project obstack 0.1.4
Exploit prediction
1.17% chance of exploitation in the next 30 days, higher than 67% 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:N/I:H/A:N |
| NVD | 2.0 | 5.0 | AV:N/AC:L/Au:N/C:N/I:P/A:N |
| OSV | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
| GitHub | 3.1 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N |
Affected packages
| ecosystem | package | affected | fixed in |
|---|---|---|---|
| crates.io | obstack | <0.1.4 >=0.0.0-0, <0.1.4 |
0.1.4 |
Classification
- Weakness
-
- CWE-706 Use of Incorrectly-Resolved Name or Reference
References
-
rustsec.org
/advisories/RUSTSEC-2020-0040.html
web, third-party-advisory, advisory
-
nvd.nist.gov
/vuln/detail/CVE-2020-35894
advisory
-
github.com
/petertodd/rust-obstack/issues/4
web, report
-
github.com
/petertodd/rust-obstack
package
-
crates.io
/crates/obstack
package
Sources
- CVE List CVE-2020-35894
- GitHub Advisory GHSA-85j6-f8j6-q26x
- NVD CVE-2020-35894
- OSV RUSTSEC-2020-0040
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.