CVE-2020-35711
unknown
CVSS v3
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CVSS v4 NEW
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VIR risk
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Description
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.
Predictions
Exploit likelihood
30%
Patch ETA
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Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
SUSE Affected 1 release
| Version | Status | Fixed in |
|---|---|---|
| — | Affected | — |
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 0.4.8-1 |
| sid | Fixed | 0.4.8-1 |
| forky | Fixed | 0.4.8-1 |
| bullseye | Fixed | 0.4.8-1 |
| bookworm | Fixed | 0.4.8-1 |
References
- https://github.com/vorner/arc-swap/issues/45
- https://www.suse.com/security/cve/CVE-2020-35711.html
- https://nvd.nist.gov/vuln/detail/CVE-2020-35711
- https://github.com/vorner/arc-swap
- https://rustsec.org/advisories/RUSTSEC-2020-0091.html
- https://crates.io/crates/arc-swap
- https://security-tracker.debian.org/tracker/CVE-2020-35711
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.