CVE-2020-35900
use-after-free vulnerability in Rust array-queue
An issue was discovered in the array-queue crate through 2020-09-26 for Rust. A pop_back() call may lead to a use-after-free.
Attack profile
How easy it is to exploit
- Attack vector
- Local
- Complexity
- Low
- Privileges needed
- Low
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- None
- Availability
- None
Exploit likelihood
What each source reports
NVD Score used
5.5
An issue was discovered in the array-queue crate through 2020-09-26 for Rust. A pop_back() call may lead to a use-after-free.
- Record
CVE-2020-35900- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - CVSS 2.0
- 2.1 Low
AV:L/AC:L/Au:N/C:P/I:N/A:N - Weakness
- CWE-416
- Updated
- 2026-11-02
CVE List No score
An issue was discovered in the array-queue crate through 2020-09-26 for Rust. A pop_back() call may lead to a use-after-free.
- Record
CVE-2020-35900- Updated
- 2026-11-02
EUVDEUVD-2021-1609 No score
An issue was discovered in the array-queue crate through 2020-09-26 for Rust. A pop_back() call may lead to a use-after-free.
- Record
EUVD-2021-1609- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-75cq-g75g-rxff
5.5
use-after-free vulnerability in Rust array-queue
An issue was discovered in the array-queue crate through 2020-09-26 for Rust. A pop_back() call may lead to a use-after-free.
- Record
GHSA-75cq-g75g-rxff- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-416
- Updated
- 2026-11-02
OSVGHSA-75cq-g75g-rxff
5.5
use-after-free vulnerability in Rust array-queue
An issue was discovered in the array-queue crate through 2020-09-26 for Rust. A pop_back() call may lead to a use-after-free.
- Record
GHSA-75cq-g75g-rxff- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Weakness
- CWE-416
- Updated
- 2026-11-02
OSVRUSTSEC-2020-0047
5.5
array_queue pop_back() may cause a use-after-free
array_queue implements a circular queue that wraps around an array. However, it
fails to properly index into the array in the pop_back function allowing the
reading of previously dropped or uninitialized memory.
- Record
RUSTSEC-2020-0047- CVSS 3.1
- 5.5 Medium
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N - Updated
- 2026-11-02
Affected products
Affected packages
| Package | Affected | Fixed |
|---|---|---|
array-queuecrates.io |
0.3.0 to 0.3.3 | None known |
array-queuecrates.io |
0.3.0 and later | None known |
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-2020-35900 is a medium vulnerability (CVSS 5.5) in Array-queue Project Array-queue, published September 26, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.43%, the 37th percentile. No source names a fixed version.