CVE-2020-35894
Unaligned references in Obstack
An issue was discovered in the obstack crate before 0.1.4 for Rust. Unaligned references can occur.
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
- High
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
An issue was discovered in the obstack crate before 0.1.4 for Rust. Unaligned references can occur.
- Record
CVE-2020-35894- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - CVSS 2.0
- 5.0 Medium
AV:N/AC:L/Au:N/C:N/I:P/A:N - Weakness
- CWE-706
- Updated
- 2026-11-02
CVE List No score
An issue was discovered in the obstack crate before 0.1.4 for Rust. Unaligned references can occur.
- Record
CVE-2020-35894- Updated
- 2026-11-02
EUVDEUVD-2021-1631 No score
An issue was discovered in the obstack crate before 0.1.4 for Rust. Unaligned references can occur.
- Record
EUVD-2021-1631- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-85j6-f8j6-q26x
Unaligned references in Obstack
Obstack generates unaligned references for types that require a large alignment.
- Record
GHSA-85j6-f8j6-q26x- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-706
- Updated
- 2026-11-02
OSV
An issue was discovered in the obstack crate before 0.1.4 for Rust. Unaligned references can occur.
- Record
CVE-2020-35894- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
OSVGHSA-85j6-f8j6-q26x
Unaligned references in Obstack
Obstack generates unaligned references for types that require a large alignment.
- Record
GHSA-85j6-f8j6-q26x- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Weakness
- CWE-706
- Updated
- 2026-11-02
OSVRUSTSEC-2020-0040
Obstack generates unaligned references
Obstack generates unaligned references for types that require a large alignment.
- Record
RUSTSEC-2020-0040- CVSS 3.1
- 7.5 High
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N - Updated
- 2026-11-02
Affected products
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| 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-2020-35894 is a high vulnerability (CVSS 7.5) in Obstack Project Obstack, published September 3, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.17%, the 67th percentile. Fixed in obstack 0.1.4.