Medium
gitlab, gitlab-agent — security advisory
An issue has been discovered in GitLab EE/CE affecting all versions starting before 16.3.6, all versions starting from 16.4 before 16.4.2, all versions starting from 16.5 before 16.5.1 which allows an attackers to block Sidekiq job processor.
- Products
- gitlab, gitlab-agent
- Affected versions
- 14.1.0-1, 16.1.3-2, 16.1.3-2build1, 8.4.3+dfsg-12, 8.4.3+dfsg-9, 8.5.8+dfsg-5
- Fixed versions
- Not specified
- CVEs
- CVE-2023-3246
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 31 Oct 2026, 01:40 UTC · Revision 1
Source evidence
An issue has been discovered in GitLab EE/CE affecting all versions starting before 16.3.6, all versions starting from 16.4 before 16.4.2, all versions starting from 16.5 before 16.5.1 which allows an attackers to block Sidekiq job processor.
osv:UBUNTU-CVE-2023-3246
gitlab
Fixed versions: Not specified
gitlab-agent
Fixed versions: Not specified
gitlab-agent
Fixed versions: Not specified
gitlab-agent
Fixed versions: Not specified
gitlab-agent
Fixed versions: Not specified
Complete source record
{
"id": "0ce0ea4b7007e61c45ef8686ea012f04dd51f926038aecdfdb7c7af116655bf0",
"url": "https://osv.dev/vulnerability/UBUNTU-CVE-2023-3246",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "UBUNTU-CVE-2023-3246",
"summary": "An issue has been discovered in GitLab EE/CE affecting all versions starting before 16.3.6, all versions starting from 16.4 before 16.4.2, all versions starting from 16.5 before 16.5.1 which allows an attackers to block Sidekiq job processor.",
"evidence": "osv:UBUNTU-CVE-2023-3246",
"products": [
{
"name": {
"value": "gitlab",
"evidence": "/affected/0/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "8.4.3+dfsg-9",
"evidence": "/affected/0/versions"
},
{
"value": "8.4.3+dfsg-12",
"evidence": "/affected/0/versions"
},
{
"value": "8.5.8+dfsg-5",
"evidence": "/affected/0/versions"
}
]
},
{
"name": {
"value": "gitlab-agent",
"evidence": "/affected/1/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "14.1.0-1",
"evidence": "/affected/1/versions"
},
{
"value": "16.1.3-2",
"evidence": "/affected/1/versions"
}
]
},
{
"name": {
"value": "gitlab-agent",
"evidence": "/affected/2/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "16.1.3-2",
"evidence": "/affected/2/versions"
}
]
},
{
"name": {
"value": "gitlab-agent",
"evidence": "/affected/3/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "16.1.3-2build1",
"evidence": "/affected/3/versions"
}
]
},
{
"name": {
"value": "gitlab-agent",
"evidence": "/affected/4/package/name"
},
"prerequisites": [],
"fixed_versions": [],
"affected_versions": [
{
"value": "16.1.3-2",
"evidence": "/affected/4/versions"
},
{
"value": "16.1.3-2build1",
"evidence": "/affected/4/versions"
}
]
}
],
"severity": "medium",
"structured": {
"id": "UBUNTU-CVE-2023-3246",
"aliases": [
"UBUNTU-CVE-2023-3246"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L"
},
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L"
},
{
"type": "Ubuntu",
"score": "medium"
}
],
"affected": [
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "gitlab",
"purl": "pkg:deb/ubuntu/gitlab?arch=source&distro=xenial",
"ecosystem": "Ubuntu:16.04:LTS"
},
"versions": [
"8.4.3+dfsg-9",
"8.4.3+dfsg-12",
"8.5.8+dfsg-5"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-3246.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "gitlab",
"binary_version": "8.5.8+dfsg-5"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "gitlab-agent",
"purl": "pkg:deb/ubuntu/gitlab-agent?arch=source&distro=noble",
"ecosystem": "Ubuntu:24.04:LTS"
},
"versions": [
"14.1.0-1",
"16.1.3-2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-3246.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "ruby-kas-grpc",
"binary_version": "16.1.3-2"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "gitlab-agent",
"purl": "pkg:deb/ubuntu/gitlab-agent?arch=source&distro=questing",
"ecosystem": "Ubuntu:25.10"
},
"versions": [
"16.1.3-2"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-3246.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "ruby-kas-grpc",
"binary_version": "16.1.3-2"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "gitlab-agent",
"purl": "pkg:deb/ubuntu/gitlab-agent?arch=source&distro=stonking",
"ecosystem": "Ubuntu:26.10"
},
"versions": [
"16.1.3-2build1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-3246.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "ruby-kas-grpc",
"binary_version": "16.1.3-2build1"
}
]
}
},
{
"ranges": [
{
"type": "ECOSYSTEM",
"events": [
{
"introduced": "0"
}
]
}
],
"package": {
"name": "gitlab-agent",
"purl": "pkg:deb/ubuntu/gitlab-agent?arch=source&distro=resolute",
"ecosystem": "Ubuntu:26.04:LTS"
},
"versions": [
"16.1.3-2",
"16.1.3-2build1"
],
"database_specific": {
"source": "https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2023/UBUNTU-CVE-2023-3246.json"
},
"ecosystem_specific": {
"binaries": [
{
"binary_name": "ruby-kas-grpc",
"binary_version": "16.1.3-2build1"
}
]
}
}
],
"modified": "2026-10-17T12:57:18.759473826Z",
"provider": "osv",
"upstream": [
"CVE-2023-3246"
],
"references": [
"https://ubuntu.com/security/CVE-2023-3246",
"https://www.cve.org/CVERecord?id=CVE-2023-3246"
]
},
"related_cves": [
{
"value": "CVE-2023-3246",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 357158,
"published_at": "2023-11-06T13:15:00+00:00"
}