GitLab has remediated an issue in GitLab CE/EE affecting all versions from 9.3 before 18.7.6, 18.8 before 18.8.6, and 18.9 before 18.9.2 that under certain conditions could have allowed an authenticated user to cause a denial of service due to improper handling of webhook response data.
{
"osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2025/12xxx/CVE-2025-12576.json",
"cna_assigner": "GitLab",
"cwe_ids": [
"CWE-770"
]
}{
"versions": [
{
"introduced": "9.3.0"
},
{
"fixed": "18.7.6"
},
{
"introduced": "9.3.0"
},
{
"fixed": "18.7.6"
},
{
"introduced": "18.8.0"
},
{
"fixed": "18.8.6"
},
{
"introduced": "18.8.0"
},
{
"fixed": "18.8.6"
},
{
"introduced": "18.9.0"
},
{
"fixed": "18.9.2"
},
{
"introduced": "18.9.0"
},
{
"fixed": "18.9.2"
}
]
}