Jenkins Mailer Plugin 1.32 and earlier does not perform hostname validation when connecting to the configured SMTP server.
[
{
"product": "Jenkins Mailer Plugin",
"vendor": "Jenkins project",
"versions": [
{
"lessThanOrEqual": "1.32",
"status": "affected",
"version": "unspecified",
"versionType": "custom"
},
{
"status": "unaffected",
"version": "1.29.1"
},
{
"status": "unaffected",
"version": "1.31.1"
}
]
}
]