Medium
Security advisory
A potential DOS vulnerability was discovered in GitLab CE/EE starting with version 12.6. The container registry name check could cause exponential number of backtracks for certain user supplied values resulting in high CPU usage. Affected versions are: >=12.6, <13.3.9.
- Products
- Not specified
- Affected versions
- Not specified
- Fixed versions
- Not specified
- CVEs
- CVE-2020-13354
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 05:26 UTC · Revision 1
Source evidence
A potential DOS vulnerability was discovered in GitLab CE/EE starting with version 12.6. The container registry name check could cause exponential number of backtracks for certain user supplied values resulting in high CPU usage. Affected versions are: >=12.6, <13.3.9.
osv:CVE-2020-13354
Complete source record
{
"id": "3724ba661ed3c0b1704c656f9e8eee518753e61c8edf359f5334089ff722d288",
"url": "https://osv.dev/vulnerability/CVE-2020-13354",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "CVE-2020-13354",
"summary": "A potential DOS vulnerability was discovered in GitLab CE/EE starting with version 12.6. The container registry name check could cause exponential number of backtracks for certain user supplied values resulting in high CPU usage. Affected versions are: >=12.6, <13.3.9.",
"evidence": "osv:CVE-2020-13354",
"products": [],
"severity": "medium",
"structured": {
"id": "CVE-2020-13354",
"aliases": [
"BIT-gitlab-2020-13354",
"CVE-2020-13354"
],
"metrics": [
{
"type": "CVSS_V3",
"score": "CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:L"
}
],
"affected": [
{
"ranges": [
{
"repo": "https://gitlab.com/gitlab-org/gitlab",
"type": "GIT",
"events": [
{
"introduced": "11ac4a9aa216b39b2880f8a647f39f6ea77cef1a"
},
{
"fixed": "e5a4c9dc9077d8e96e74118cd00dfa452bd4522b"
}
],
"database_specific": {
"extracted_events": [
{
"cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
"range": [
{
"introduced": "12.6.0"
},
{
"fixed": "13.3.9"
}
],
"source": "CPE_RANGE"
},
{
"cpe": "cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
"range": [
{
"introduced": "12.6.0"
},
{
"fixed": "13.3.9"
}
],
"source": "CPE_RANGE"
}
]
}
}
],
"database_specific": {
"source": "https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2020-13354.json"
}
}
],
"modified": "2026-10-30T10:30:21.179181133Z",
"provider": "osv",
"references": [
"https://gitlab.com/gitlab-org/cves/-/blob/master/2020/CVE-2020-13354.json",
"https://gitlab.com/gitlab-org/gitlab/-/issues/220019",
"https://hackerone.com/reports/869875"
],
"provider_metadata": {}
},
"related_cves": [
{
"value": "CVE-2020-13354",
"evidence": "/id"
}
],
"security_relevant": true,
"severity_evidence": "/severity/0/score"
},
"source_id": "core-osv",
"document_id": 432163,
"published_at": "2020-11-17T01:15:13.42+00:00"
}