MediumFix available
golang-cel-cel-go, golang-github-google-cel-go — security advisory
A user could provide an expression whose string length is longer than the ParserExpressionSizeLimit() configured on the CEL environment, and a memory allocation would occur proportional to the size of the input before the limit would be checked / enforced.
- Products
- golang-cel-cel-go, golang-github-google-cel-go
- Affected versions
- 0.18.2+ds-5, 0.18.2+ds-6, 0.18.2+ds-7, 0.27.0+ds-1, 0.27.0+ds-1~exp1, 0.27.0+ds-2, 0.27.0+ds-3, 0.27.0+ds-3~bpo13+1, 0.27.0+ds-3~bpo13+2, 0.27.0+ds-4, 0.27.0+ds-5, 0.27.0+ds-6, 0.27.0+ds-7, 0.30.0+ds-1
- Fixed versions
- 0.30.0+ds-1, 0.32.0+ds-1
- CVEs
- CVE-2026-83530
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 30 Oct 2026, 08:54 UTC · Revision 1
Source evidence
A user could provide an expression whose string length is longer than the ParserExpressionSizeLimit() configured on the CEL environment, and a memory allocation would occur proportional to the size of the input before the limit would be checked / enforced.
osv:DEBIAN-CVE-2026-83530
golang-cel-cel-go
Fixed versions: 0.32.0+ds-1
golang-github-google-cel-go
Fixed versions: Not specified
golang-github-google-cel-go
Fixed versions: 0.30.0+ds-1
Complete source record
{
"id": "1607800ef9fd7dad8e31617cd4d34d881355e5dee90a3d56502cae9fdfbe40d2",
"url": "https://osv.dev/vulnerability/DEBIAN-CVE-2026-83530",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "DEBIAN-CVE-2026-83530",
"summary": "A user could provide an expression whose string length is longer than the ParserExpressionSizeLimit() configured on the CEL environment, and a memory allocation would occur proportional to the size of the input before the limit would be checked / enforced.",
"evidence": "osv:DEBIAN-CVE-2026-83530",
"products": [
{
"name": {
"value": "golang-cel-cel-go",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.32.0+ds-1",
"evidence": "/affected/0/ranges"
}
],
"affected_versions": []
},
{
"name": {
"value": "golang-github-google-cel-go",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "0.18.2+ds-5",
"evidence": "/affected/1/versions"
},
{
"value": "0.18.2+ds-6",
"evidence": "/affected/1/versions"
},
{
"value": "0.18.2+ds-7",
"evidence": "/affected/1/versions"
},
{
"value": "0.27.0+ds-1",
"evidence": "/affected/1/versions"
},
{
"value": "0.27.0+ds-1~exp1",
"evidence": "/affected/1/versions"
},
{
"value": "0.27.0+ds-2",
"evidence": "/affected/1/versions"
},
{
"value": "0.27.0+ds-3",
"evidence": "/affected/1/versions"
},
{
"value": "0.27.0+ds-3~bpo13+1",
"evidence": "/affected/1/versions"
},
{
"value": "0.27.0+ds-3~bpo13+2",
"evidence": "/affected/1/versions"
},
{
"value": "0.27.0+ds-4",
"evidence": "/affected/1/versions"
},
{
"value": "0.27.0+ds-5",
"evidence": "/affected/1/versions"
},
{
"value": "0.27.0+ds-6",
"evidence": "/affected/1/versions"
},
{
"value": "0.27.0+ds-7",
"evidence": "/affected/1/versions"
},
{
"value": "0.30.0+ds-1",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
"value": "golang-github-google-cel-go",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [
{
"value": "0.30.0+ds-1",
"evidence": "/affected/2/ranges"
}
],
"affected_versions": [
{
"value": "0.18.2+ds-5",
"evidence": "/affected/2/versions"
},
{
"value": "0.18.2+ds-6",
"evidence": "/affected/2/versions"
},
{
"value": "0.18.2+ds-7",
"evidence": "/affected/2/versions"
},
{
"value": "0.27.0+ds-1",
"evidence": "/affected/2/versions"
},
{
"value": "0.27.0+ds-1~exp1",
"evidence": "/affected/2/versions"
},
{
"value": "0.27.0+ds-2",
"evidence": "/affected/2/versions"
},
{
"value": "0.27.0+ds-3",
"evidence": "/affected/2/versions"
},
{
"value": "0.27.0+ds-3~bpo13+1",
"evidence": "/affected/2/versions"
},
{
"value": "0.27.0+ds-3~bpo13+2",
"evidence": "/affected/2/versions"
},
{
"value": "0.27.0+ds-4",
"evidence": "/affected/2/versions"
},
{
"value": "0.27.0+ds-5",
"evidence": "/affected/2/versions"
},
{
"value": "0.27.0+ds-6",
"evidence": "/affected/2/versions"
},
{
"value": "0.27.0+ds-7",
"evidence": "/affected/2/versions"
}
]
}
],
"severity": "medium",
"structured": {
"id": "DEBIAN-CVE-2026-83530",
"aliases": [
"DEBIAN-CVE-2026-83530"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:N"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.32.0+ds-1"
}
]
}
],
"package": {
"name": "golang-cel-cel-go",
"purl": "pkg:deb/debian/golang-cel-cel-go?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-83530.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "golang-github-google-cel-go",
"purl": "pkg:deb/debian/golang-github-google-cel-go?arch=source&distro=trixie",
"ecosystem": "Debian:13"
},
"versions": [
"0.18.2+ds-5",
"0.18.2+ds-6",
"0.18.2+ds-7",
"0.27.0+ds-1",
"0.27.0+ds-1~exp1",
"0.27.0+ds-2",
"0.27.0+ds-3",
"0.27.0+ds-3~bpo13+1",
"0.27.0+ds-3~bpo13+2",
"0.27.0+ds-4",
"0.27.0+ds-5",
"0.27.0+ds-6",
"0.27.0+ds-7",
"0.30.0+ds-1"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-83530.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
},
{
"fixed": "0.30.0+ds-1"
}
]
}
],
"package": {
"name": "golang-github-google-cel-go",
"purl": "pkg:deb/debian/golang-github-google-cel-go?arch=source&distro=forky",
"ecosystem": "Debian:14"
},
"versions": [
"0.18.2+ds-5",
"0.18.2+ds-6",
"0.18.2+ds-7",
"0.27.0+ds-1",
"0.27.0+ds-1~exp1",
"0.27.0+ds-2",
"0.27.0+ds-3",
"0.27.0+ds-3~bpo13+1",
"0.27.0+ds-3~bpo13+2",
"0.27.0+ds-4",
"0.27.0+ds-5",
"0.27.0+ds-6",
"0.27.0+ds-7"
],
"database_specific": {
"source": "https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2026-83530.json"
},
"ecosystem_specific": {
"urgency": "not yet assigned"
}
}
],
"modified": "2026-10-12T22:00:12.160644965Z",
"provider": "osv",
"upstream": [
"CVE-2026-83530"
],
"references": [
"https://security-tracker.debian.org/tracker/CVE-2026-83530"
]
},
"related_cves": [
{
"value": "CVE-2026-83530",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 306983,
"published_at": "2026-09-09T15:17:12.123+00:00"
}