An issue was discovered in GitLab CE/EE affecting all versions before 18.2.7, 18.3 before 18.3.3, and 18.4 before 18.4.1 that allows unauthenticated users to cause a Denial of Service (DoS) condition while uploading specifically crafted large JSON files.
{
"cwe_ids": [
"CWE-770"
],
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/10xxx/CVE-2025-10858.json",
"cna_assigner": "GitLab"
}{
"cpe": [
"cpe:2.3:a:gitlab:gitlab:*:*:*:*:community:*:*:*",
"cpe:2.3:a:gitlab:gitlab:*:*:*:*:enterprise:*:*:*",
"cpe:2.3:a:gitlab:gitlab:18.4.0:*:*:*:community:*:*:*",
"cpe:2.3:a:gitlab:gitlab:18.4.0:*:*:*:enterprise:*:*:*"
],
"extracted_events": [
{
"introduced": "0"
},
{
"fixed": "18.2.7"
},
{
"introduced": "18.3.0"
},
{
"fixed": "18.3.3"
},
{
"introduced": "18.4.0"
},
{
"last_affected": "18.4.0"
}
],
"source": [
"CPE_RANGE",
"CPE_STRING"
]
}