HighFix available
golang-1.19, golang-1.24 and 2 more products — security advisory
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. We now reject these as malformed and curb the memory amplification vector as a result.
- Products
- golang-1.19, golang-1.24, golang-1.26, golang-1.27
- Affected versions
- 1.19.10-1, 1.19.10-2, 1.19.11-1, 1.19.12-1, 1.19.12-2, 1.19.12-2~bpo11+1, 1.19.12-2~bpo12+1, 1.19.13-1, 1.19.13-1~bpo11+1, 1.19.13-1~bpo12+1, 1.19.8-2, 1.19.9-1, 1.24.12-1, 1.24.13-1, 1.24.13-2, 1.24.4-1, 1.24.4-2, 1.24.4-3, 1.24.4-4, 1.24.7-1, 1.24.8-1, 1.24.9-1, 1.26.0-1, 1.26.1-1, 1.26.2-1, 1.26.2-2, 1.26.2-3, 1.26.3-1, 1.26.3-1~bpo13+1, 1.26.3-2, 1.26.3-2~bpo13+1, 1.26.4-1, 1.26.4-1~bpo13+1, 1.26.5-1, 1.26.5-1~bpo13+1, 1.26.6-1, 1.26.6-2, 1.26.7-1, 1.26.7-1~bpo13+1, 1.26.8-1, 1.26.8-1~bpo13+1, 1.26.8-2, 1.26~rc2-1, 1.26~rc3-1, 1.26~rc3-2, 1.27.0-1, 1.27.0-1~bpo13+1, 1.27.1-1, 1.27.1-2, 1.27.1-2~bpo13+1, 1.27~rc1-1, 1.27~rc2-1, 1.27~rc3-1
- Fixed versions
- 1.26.9-1, 1.27.2-1
- CVEs
- CVE-2026-97031
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 30 Oct 2026, 06:34 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 specifying multiple references. We now reject these as malformed and curb the memory amplification vector as a result.
osv:DEBIAN-CVE-2026-97031
golang-1.19
Fixed versions: Not specified
golang-1.24
Fixed versions: Not specified
golang-1.26
Fixed versions: 1.26.9-1
golang-1.27
Fixed versions: 1.27.2-1
Complete source record
{
"id": "ea7d01296196fd9f04d09449310df748aae3dfa229f6e5ad005702efff095d8a",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2026-97031",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2026-97031",
"summary": "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. We now reject these as malformed and curb the memory amplification vector as a result.",
"evidence": "osv:DEBIAN-CVE-2026-97031",
"products": [
{
"name": {
"value": "golang-1.19",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.19.10-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.19.10-2",
"evidence": "/affected/0/versions"
},
{
"value": "1.19.11-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.19.12-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.19.12-2",
"evidence": "/affected/0/versions"
},
{
"value": "1.19.12-2~bpo11+1",
"evidence": "/affected/0/versions"
},
{
"value": "1.19.12-2~bpo12+1",
"evidence": "/affected/0/versions"
},
{
"value": "1.19.13-1",
"evidence": "/affected/0/versions"
},
{
"value": "1.19.13-1~bpo11+1",
"evidence": "/affected/0/versions"
},
{
"value": "1.19.13-1~bpo12+1",
"evidence": "/affected/0/versions"
},
{
"value": "1.19.8-2",
"evidence": "/affected/0/versions"
},
{
"value": "1.19.9-1",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "golang-1.24",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "1.24.12-1",
"evidence": "/affected/1/versions"
},
{
"value": "1.24.13-1",
"evidence": "/affected/1/versions"
},
{
"value": "1.24.13-2",
"evidence": "/affected/1/versions"
},
{
"value": "1.24.4-1",
"evidence": "/affected/1/versions"
},
{
"value": "1.24.4-2",
"evidence": "/affected/1/versions"
},
{
"value": "1.24.4-3",
"evidence": "/affected/1/versions"
},
{
"value": "1.24.4-4",
"evidence": "/affected/1/versions"
},
{
"value": "1.24.7-1",
"evidence": "/affected/1/versions"
},
{
"value": "1.24.8-1",
"evidence": "/affected/1/versions"
},
{
"value": "1.24.9-1",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
"value": "golang-1.26",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.26.9-1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": [
{
"value": "1.26.0-1",
"evidence": "/affected/2/versions"
},
{
"value": "1.26.1-1",
"evidence": "/affected/2/versions"
},
{
"value": "1.26.2-1",
"evidence": "/affected/2/versions"
},
{
"value": "1.26.2-2",
"evidence": "/affected/2/versions"
},
{
"value": "1.26.2-3",
"evidence": "/affected/2/versions"
},
{
"value": "1.26.3-1",
"evidence": "/affected/2/versions"
},
{
"value": "1.26.3-1~bpo13+1",
"evidence": "/affected/2/versions"
},
{
"value": "1.26.3-2",
"evidence": "/affected/2/versions"
},
{
"value": "1.26.3-2~bpo13+1",
"evidence": "/affected/2/versions"
},
{
"value": "1.26.4-1",
"evidence": "/affected/2/versions"
},
{
"value": "1.26.4-1~bpo13+1",
"evidence": "/affected/2/versions"
},
{
"value": "1.26.5-1",
"evidence": "/affected/2/versions"
},
{
"value": "1.26.5-1~bpo13+1",
"evidence": "/affected/2/versions"
},
{
"value": "1.26.6-1",
"evidence": "/affected/2/versions"
},
{
"value": "1.26.6-2",
"evidence": "/affected/2/versions"
},
{
"value": "1.26.7-1",
"evidence": "/affected/2/versions"
},
{
"value": "1.26.7-1~bpo13+1",
"evidence": "/affected/2/versions"
},
{
"value": "1.26.8-1",
"evidence": "/affected/2/versions"
},
{
"value": "1.26.8-1~bpo13+1",
"evidence": "/affected/2/versions"
},
{
"value": "1.26.8-2",
"evidence": "/affected/2/versions"
},
{
"value": "1.26~rc2-1",
"evidence": "/affected/2/versions"
},
{
"value": "1.26~rc3-1",
"evidence": "/affected/2/versions"
},
{
"value": "1.26~rc3-2",
"evidence": "/affected/2/versions"
}
]
},
{
"name": {
"value": "golang-1.27",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "1.27.2-1",
"evidence": "/affected/3/ranges"
}
],
"affected_versions": [
{
"value": "1.27.0-1",
"evidence": "/affected/3/versions"
},
{
"value": "1.27.0-1~bpo13+1",
"evidence": "/affected/3/versions"
},
{
"value": "1.27.1-1",
"evidence": "/affected/3/versions"
},
{
"value": "1.27.1-2",
"evidence": "/affected/3/versions"
},
{
"value": "1.27.1-2~bpo13+1",
"evidence": "/affected/3/versions"
},
{
"value": "1.27~rc1-1",
"evidence": "/affected/3/versions"
},
{
"value": "1.27~rc2-1",
"evidence": "/affected/3/versions"
},
{
"value": "1.27~rc3-1",
"evidence": "/affected/3/versions"
}
]
}
],
"severity": "high",
"structured": {
"id": "DEBIAN-CVE-2026-97031",
"aliases": [
"DEBIAN-CVE-2026-97031"
],
"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"
}
]
}
],
"package": {
"name": "golang-1.19",
"purl": "pkg:deb/debian/golang-1.19?arch=source&distro=bookworm",
"ecosystem": "Debian:12"
},
"versions": [
"1.19.10-1",
"1.19.10-2",
"1.19.11-1",
"1.19.12-1",
"1.19.12-2",
"1.19.12-2~bpo11+1",
"1.19.12-2~bpo12+1",
"1.19.13-1",
"1.19.13-1~bpo11+1",
"1.19.13-1~bpo12+1",
"1.19.8-2",
"1.19.9-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-97031.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "golang-1.24",
"purl": "pkg:deb/debian/golang-1.24?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"versions": [
"1.24.12-1",
"1.24.13-1",
"1.24.13-2",
"1.24.4-1",
"1.24.4-2",
"1.24.4-3",
"1.24.4-4",
"1.24.7-1",
"1.24.8-1",
"1.24.9-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-97031.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.26.9-1"
}
]
}
],
"package": {
"name": "golang-1.26",
"purl": "pkg:deb/debian/golang-1.26?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"versions": [
"1.26.0-1",
"1.26.1-1",
"1.26.2-1",
"1.26.2-2",
"1.26.2-3",
"1.26.3-1",
"1.26.3-1~bpo13+1",
"1.26.3-2",
"1.26.3-2~bpo13+1",
"1.26.4-1",
"1.26.4-1~bpo13+1",
"1.26.5-1",
"1.26.5-1~bpo13+1",
"1.26.6-1",
"1.26.6-2",
"1.26.7-1",
"1.26.7-1~bpo13+1",
"1.26.8-1",
"1.26.8-1~bpo13+1",
"1.26.8-2",
"1.26~rc2-1",
"1.26~rc3-1",
"1.26~rc3-2"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-97031.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "1.27.2-1"
}
]
}
],
"package": {
"name": "golang-1.27",
"purl": "pkg:deb/debian/golang-1.27?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"versions": [
"1.27.0-1",
"1.27.0-1~bpo13+1",
"1.27.1-1",
"1.27.1-2",
"1.27.1-2~bpo13+1",
"1.27~rc1-1",
"1.27~rc2-1",
"1.27~rc3-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-97031.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-12T11:00:45.624945539Z",
"provider": "osv",
"upstream": [
"CVE-2026-97031"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2026-97031"
]
},
"related_cves": [
{
"value": "CVE-2026-97031",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 299782,
"published_at": "2026-10-08T23:17:06.037+00:00"
}