CVE-2020-35891
Double free in ordnung
An issue was discovered in the ordnung crate through 2020-09-03 for Rust. compact::Vec violates memory safety via a remove() double free.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- None
- Integrity
- None
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
An issue was discovered in the ordnung crate through 2020-09-03 for Rust. compact::Vec violates memory safety via a remove() double free.
- Record
CVE-2020-35891- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:N/A:P - Weakness
- CWE-415
- Updated
- 2026-11-02
CVE List No score
An issue was discovered in the ordnung crate through 2020-09-03 for Rust. compact::Vec violates memory safety via a remove() double free.
- Record
CVE-2020-35891- Updated
- 2026-11-02
EUVDEUVD-2021-1564 No score
An issue was discovered in the ordnung crate through 2020-09-03 for Rust. compact::Vec violates memory safety via a remove() double free.
- Record
EUVD-2021-1564- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-4wj3-p7hj-cvx8
Double free in ordnung
An issue was discovered in the ordnung crate through version 0.0.1 for Rust. compact::Vec violates memory safety via a remove() double free.
- Record
GHSA-4wj3-p7hj-cvx8- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-415
- Updated
- 2026-11-02
OSVGHSA-4wj3-p7hj-cvx8
Double free in ordnung
An issue was discovered in the ordnung crate through version 0.0.1 for Rust. compact::Vec violates memory safety via a remove() double free.
- Record
GHSA-4wj3-p7hj-cvx8- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-415
- Updated
- 2026-11-02
OSVGHSA-qrwc-jxf5-g8x6
Out of bounds read in ordnung
An issue was discovered in the ordnung crate through version 0.0.1 for Rust. compact::Vec violates memory safety via out-of-bounds access for large capacity.
- Record
GHSA-qrwc-jxf5-g8x6- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Weakness
- CWE-125
- Updated
- 2026-11-02
OSVRUSTSEC-2020-0038
Memory safety issues in `compact::Vec`
compact::Vec contains multiple memory safety issues.
- It mishandles large capacity and causes out-of-bound access in 32-bit / allocator layout mismatch in 64-bit.
remove()is not panic-safe and causes double-free when an index larger than the length is provided.
- Record
RUSTSEC-2020-0038- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H - Updated
- 2026-11-02
Affected products
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| affected, facts | ||
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-35891 is a high vulnerability (CVSS 7.5) in Ordnung Project Ordnung, published September 3, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.41%, the 72nd percentile. No source names a fixed version.