HighFix available
Multiple ECH outer extension references are not permitted under RFC 9849; previously, a client could send a well-crafted packet that could trigger memory exhaustion in the server process by specify...
Type: advisorySources: OSV
CVE-2026-97031 affects multiple packages. Multiple ECH outer extension references are not permitted under RFC 9849; previously, a client could send a well-crafted packet that could trigger memory exhaustion in the server process by specifying multiple references. See references for individual vulnerability details.
- Products
- rabbitmq-messaging-topology-operator, restic, vault, velero
- Affected versions
- Not specified
- Fixed versions
- 0.18.1-r11, 1.15.2-r12, 1.17.2-r12, 1.17.4-r3, 1.18.3-r6, 1.19.3-r9, 1.19.5-r8
- CVEs
- CVE-2026-97031
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 30 Oct 2026, 19:28 UTC · Revision 1
Source evidence
Multiple ECH outer extension references are not permitted under RFC 9849; previously, a client could send a well-crafted packet that could trigger memory exhaustion in the server process by specify...
core-osv · Original sourcePublished 16 Oct 2026, 00:36 UTC
CVE-2026-97031 affects multiple packages. Multiple ECH outer extension references are not permitted under RFC 9849; previously, a client could send a well-crafted packet that could trigger memory exhaustion in the server process by specifying multiple references. See references for individual vulnerability details.
osv:CLEANSTART-2026-KA94544
rabbitmq-messaging-topology-operator
Fixed versions: 1.17.4-r3
rabbitmq-messaging-topology-operator
Fixed versions: 1.18.3-r6
rabbitmq-messaging-topology-operator
Fixed versions: 1.19.3-r9
restic
Fixed versions: 0.18.1-r11
vault
Fixed versions: 1.19.5-r8
vault
Fixed versions: 1.19.5-r8
velero
Fixed versions: 1.15.2-r12
velero
Fixed versions: 1.17.2-r12
Complete source record
{
"id": "a3f35dc8f34af86e5118818367fd29ad417eb76b5358210e844d6ca186ca0538",
"url": "https://osv.dev/vulnerability/CLEANSTART-2026-KA94544",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "Multiple ECH outer extension references are not permitted under RFC 9849; previously, a client could send a well-crafted packet that could trigger memory exhaustion in the server process by specify...",
"summary": "CVE-2026-97031 affects multiple packages. Multiple ECH outer extension references are not permitted under RFC 9849; previously, a client could send a well-crafted packet that could trigger memory exhaustion in the server process by specifying multiple references. See references for individual vulnerability details.",
"evidence": "osv:CLEANSTART-2026-KA94544",
"products": [
{
"name": {
"value": "rabbitmq-messaging-topology-operator",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.17.4-r3",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
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"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.18.3-r6",
"evidence": "/affected/1/ranges"
}
],
"affected_versions": []
},
{
"name": {
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"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.19.3-r9",
"evidence": "/affected/2/ranges"
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],
"affected_versions": []
},
{
"name": {
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"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.18.1-r11",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "vault",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.19.5-r8",
"evidence": "/affected/4/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "vault",
"evidence": "/affected/5/package/name"
},
"prerequisites": [],
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{
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"evidence": "/affected/5/ranges"
}
],
"affected_versions": []
},
{
"name": {
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"evidence": "/affected/6/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.15.2-r12",
"evidence": "/affected/6/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "velero",
"evidence": "/affected/7/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.17.2-r12",
"evidence": "/affected/7/ranges"
}
],
"affected_versions": []
}
],
"severity": "high",
"structured": {
"id": "CLEANSTART-2026-KA94544",
"aliases": [
"CLEANSTART-2026-KA94544"
],
"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": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.17.4-r3"
}
]
}
],
"package": {
"name": "rabbitmq-messaging-topology-operator",
"purl": "pkg:apk/cleanstart/rabbitmq-messaging-topology-operator",
"ecosystem": "CleanStart"
},
"database_specific": {
"source": "https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-KA94544.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.18.3-r6"
}
]
}
],
"package": {
"name": "rabbitmq-messaging-topology-operator",
"purl": "pkg:apk/cleanstart/rabbitmq-messaging-topology-operator",
"ecosystem": "CleanStart"
},
"database_specific": {
"source": "https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-KA94544.json"
}
},
{
"ranges": [
{
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"events": [
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},
{
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}
],
"package": {
"name": "rabbitmq-messaging-topology-operator",
"purl": "pkg:apk/cleanstart/rabbitmq-messaging-topology-operator",
"ecosystem": "CleanStart"
},
"database_specific": {
"source": "https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-KA94544.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.18.1-r11"
}
]
}
],
"package": {
"name": "restic",
"purl": "pkg:apk/cleanstart/restic",
"ecosystem": "CleanStart"
},
"database_specific": {
"source": "https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-KA94544.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
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},
{
"fixed": "1.19.5-r8"
}
]
}
],
"package": {
"name": "vault",
"purl": "pkg:apk/cleanstart/vault?arch=aarch64",
"ecosystem": "CleanStart"
},
"database_specific": {
"source": "https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-KA94544.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.19.5-r8"
}
]
}
],
"package": {
"name": "vault",
"purl": "pkg:apk/cleanstart/vault?arch=x86_64",
"ecosystem": "CleanStart"
},
"database_specific": {
"source": "https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-KA94544.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.15.2-r12"
}
]
}
],
"package": {
"name": "velero",
"purl": "pkg:apk/cleanstart/velero",
"ecosystem": "CleanStart"
},
"database_specific": {
"source": "https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-KA94544.json"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.17.2-r12"
}
]
}
],
"package": {
"name": "velero",
"purl": "pkg:apk/cleanstart/velero",
"ecosystem": "CleanStart"
},
"database_specific": {
"source": "https://github.com/cleanstart-dev/cleanstart-security-advisories/blob/main/advisories/2026/CLEANSTART-2026-KA94544.json"
}
}
],
"modified": "2026-10-16T00:45:03.547096866Z",
"provider": "osv",
"upstream": [
"CVE-2026-97031"
],
"references": [
"https://github.com/cleanstart-dev/cleanstart-security-advisories/tree/main/advisories/2026/CLEANSTART-2026-KA94544.json",
"https://osv.dev/vulnerability/CVE-2026-97031",
"https://nvd.nist.gov/vuln/detail/CVE-2026-97031"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2026-97031",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 336926,
"published_at": "2026-10-16T00:36:13.323164+00:00"
}