
CVE catalog
CVE-2020-35711
rust-arc-swap: CVE-2020-35711
- Severity
- Medium
- Published
- Source
- [NVD] · [CVE record]
- EPSS
- 1.62% · Oct 25, 2026
An issue has been discovered in the arc-swap crate before 0.4.8 (and 1.x before 1.1.0) for Rust. Use of arc_swap::access::Map with the Constant test helper (or with a user-supplied implementation of the Access trait) could sometimes lead to dangling references being returned by the map.
Vulnerable and fixed packages
Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.
| Distribution | Package | Release | Version | Status |
|---|---|---|---|---|
| Debian | rust-arc-swap | sid | 1.9.3-1 | fixed |
| Debian | rust-arc-swap | forky | 1.9.3-1 | fixed |
| Debian | rust-arc-swap | trixie | 1.7.1-1 | fixed |
| Debian | rust-arc-swap | bookworm | 1.5.1-1 | fixed |
Fixed-version evidence
| Distribution | Package | Type | Release | Fixed version | Urgency | Origin | Bugs |
|---|---|---|---|---|---|---|---|
| Debian | rust-arc-swap | source | sid | 0.4.8-1 | not yet assigned | Not reported | [985090] |
| Debian | rust-arc-swap | source | forky | 0.4.8-1 | not yet assigned | Not reported | [985090] |
| Debian | rust-arc-swap | source | trixie | 0.4.8-1 | not yet assigned | Not reported | [985090] |
| Debian | rust-arc-swap | source | bookworm | 0.4.8-1 | not yet assigned | Not reported | [985090] |
OpenFactory catalog packages
[Debian 12 (Bookworm)]
- [librust-arc-swap-dev]Fixed
Source package: [rust-arc-swap]
Details (2)
1.5.1-1· amd64 · bookwormFixed · Fixed:
0.4.8-1dsa · rust-arc-swap · debian · bookworm; dsa · rust-arc-swap · debian · 12
1.5.1-1· arm64 · bookwormFixed · Fixed:
0.4.8-1dsa · rust-arc-swap · debian · bookworm; dsa · rust-arc-swap · debian · 12
[Debian 13 (Trixie)]
- [librust-arc-swap-dev]Fixed
Source package: [rust-arc-swap]
Details (2)
1.7.1-1· amd64 · trixieFixed · Fixed:
0.4.8-1dsa · rust-arc-swap · debian · 13
1.7.1-1· arm64 · trixieFixed · Fixed:
0.4.8-1dsa · rust-arc-swap · debian · 13
Observed: