HighFix available
rust-arc-swap — security advisory
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.
- Products
- rust-arc-swap
- Affected versions
- Not specified
- Fixed versions
- 0.4.8-1
- CVEs
- CVE-2020-35711
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 13:55 UTC · Revision 1
Source evidence
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.
osv:DEBIAN-CVE-2020-35711
rust-arc-swap
Fixed versions: 0.4.8-1
rust-arc-swap
Fixed versions: 0.4.8-1
rust-arc-swap
Fixed versions: 0.4.8-1
Complete source record
{
"id": "a105f259b3773eb0ddbc9b587df0b416d3bcf350d1d45c95a2a9617aec8c87c1",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2020-35711",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2020-35711",
"summary": "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.",
"evidence": "osv:DEBIAN-CVE-2020-35711",
"products": [
{
"name": {
"value": "rust-arc-swap",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.4.8-1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
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"evidence": "/affected/1/package/name"
},
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"fixed_versions": [
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"evidence": "/affected/1/ranges"
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"affected_versions": []
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{
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"affected_versions": []
}
],
"severity": "high",
"structured": {
"id": "DEBIAN-CVE-2020-35711",
"aliases": [
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],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H"
}
],
"affected": [
{
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"events": [
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"package": {
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"ecosystem": "Debian:12"
},
"database_specific": {
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"ecosystem_specific": {
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}
},
{
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"package": {
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"purl": "pkg:deb/debian/rust-arc-swap?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"database_specific": {
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{
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"package": {
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"purl": "pkg:deb/debian/rust-arc-swap?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2020-35711.json"
},
"ecosystem_specific": {
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}
}
],
"modified": "2026-10-26T12:02:48.832864741Z",
"provider": "osv",
"upstream": [
"CVE-2020-35711"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2020-35711"
]
},
"related_cves": [
{
"value": "CVE-2020-35711",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 452994,
"published_at": "2020-12-25T23:15:12.86+00:00"
}