HighFix available
Previously, DecodeElement would reset the depth counter causing it to never fire; this could lead to stack exhaustion
Type: advisorySources: OSV
CVE-2026-56859 affects multiple packages. Previously, DecodeElement would reset the depth counter causing it to never fire; this could lead to stack exhaustion. See references for individual vulnerability details.
- Products
- aws-for-fluent-bit, buildkitd, loki
- Affected versions
- Not specified
- Fixed versions
- 0.33.1-r2, 3.5.0-r1, 3.5.12-r3
- CVEs
- CVE-2026-56859
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 28 Oct 2026, 10:36 UTC · Revision 1
Source evidence
Previously, DecodeElement would reset the depth counter causing it to never fire; this could lead to stack exhaustion
core-osv · Original sourcePublished 9 Oct 2026, 00:37 UTC
CVE-2026-56859 affects multiple packages. Previously, DecodeElement would reset the depth counter causing it to never fire; this could lead to stack exhaustion. See references for individual vulnerability details.
osv:CLEANSTART-2026-NO64330
aws-for-fluent-bit
Fixed versions: 3.5.0-r1
buildkitd
Fixed versions: 0.33.1-r2
loki
Fixed versions: 3.5.12-r3
loki
Fixed versions: 3.5.12-r3
loki
Fixed versions: 3.5.12-r3
loki
Fixed versions: 3.5.12-r3
Complete source record
{
"id": "19b150e91239a65817667639f34391ca301d05256eaf2c3ac4238650cdd72bd9",
"url": "https://osv.dev/vulnerability/CLEANSTART-2026-NO64330",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Previously, DecodeElement would reset the depth counter causing it to never fire; this could lead to stack exhaustion",
"summary": "CVE-2026-56859 affects multiple packages. Previously, DecodeElement would reset the depth counter causing it to never fire; this could lead to stack exhaustion. See references for individual vulnerability details.",
"evidence": "osv:CLEANSTART-2026-NO64330",
"products": [
{
"name": {
"value": "aws-for-fluent-bit",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "3.5.0-r1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
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"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.33.1-r2",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
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"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "3.5.12-r3",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": []
},
{
"name": {
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"evidence": "/affected/3/package/name"
},
"prerequisites": [],
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{
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"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
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"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
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"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
},
{
"name": {
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"evidence": "/affected/5/package/name"
},
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"fixed_versions": [
{
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"evidence": "/affected/5/ranges"
}
],
"affected_versions": []
}
],
"severity": "high",
"structured": {
"id": "CLEANSTART-2026-NO64330",
"aliases": [
"CLEANSTART-2026-NO64330"
],
"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": [
{
"introduced": "0"
},
{
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}
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}
],
"package": {
"name": "aws-for-fluent-bit",
"purl": "pkg:apk/cleanstart/aws-for-fluent-bit",
"ecosystem": "CleanStart"
},
"database_specific": {
"source": "https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-NO64330.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
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{
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}
],
"package": {
"name": "buildkitd",
"purl": "pkg:apk/cleanstart/buildkitd",
"ecosystem": "CleanStart"
},
"database_specific": {
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}
},
{
"ranges": [
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],
"package": {
"name": "loki",
"purl": "pkg:apk/cleanstart/loki?arch=x86_64",
"ecosystem": "CleanStart"
},
"database_specific": {
"source": "https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-NO64330.json"
}
},
{
"ranges": [
{
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"events": [
{
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{
"fixed": "3.5.12-r3"
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],
"package": {
"name": "loki",
"purl": "pkg:apk/cleanstart/loki?arch=aarch64",
"ecosystem": "CleanStart"
},
"database_specific": {
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}
},
{
"ranges": [
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],
"package": {
"name": "loki",
"purl": "pkg:apk/cleanstart/loki?arch=ppc64le",
"ecosystem": "CleanStart"
},
"database_specific": {
"source": "https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-NO64330.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
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{
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],
"package": {
"name": "loki",
"purl": "pkg:apk/cleanstart/loki?arch=loongarch64",
"ecosystem": "CleanStart"
},
"database_specific": {
"source": "https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-NO64330.json"
}
}
],
"modified": "2026-10-09T01:00:15.665119380Z",
"provider": "osv",
"upstream": [
"CVE-2026-56859"
],
"references": [
"https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2026/CLEANSTART-2026-NO64330.json",
"https://osv.dev/vulnerability/CVE-2026-56859",
"https://nvd.nist.gov/vuln/detail/CVE-2026-56859"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2026-56859",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 108137,
"published_at": "2026-10-09T00:37:19.418+00:00"
}