Jenkins 2.218 and earlier, LTS 2.204.1 and earlier used a non-constant time comparison function when validating an HMAC.
[
{
"product": "Jenkins",
"vendor": "Jenkins project",
"versions": [
{
"lessThanOrEqual": "2.218",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
},
{
"lessThanOrEqual": "LTS 2.204.1",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
}
]
}
]