There is a possible denial of service vulnerability in Action View (Rails) <5.2.2.1, <5.1.6.2, <5.0.7.2, <4.2.11.1 where specially crafted accept headers can cause action view to consume 100% cpu and make the server unresponsive.
[
{
"product": "https://github.com/rails/rails",
"vendor": "Rails",
"versions": [
{
"status": "affected",
"version": "5.2.2.1"
},
{
"status": "affected",
"version": "5.1.6.2"
},
{
"status": "affected",
"version": "5.0.7.2"
},
{
"status": "affected",
"version": "4.2.11.1"
}
]
}
]
lists.opensuse.org/opensuse-security-announce/2019-05/msg00011.html
lists.opensuse.org/opensuse-security-announce/2019-06/msg00025.html
lists.opensuse.org/opensuse-security-announce/2019-08/msg00001.html
www.openwall.com/lists/oss-security/2019/03/22/1
access.redhat.com/errata/RHSA-2019:0796
access.redhat.com/errata/RHSA-2019:1147
access.redhat.com/errata/RHSA-2019:1149
access.redhat.com/errata/RHSA-2019:1289
groups.google.com/forum/#%21topic/rubyonrails-security/GN7w9fFAQeI
lists.debian.org/debian-lts-announce/2019/03/msg00042.html
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y43636TH4D6T46IC6N2RQVJTRFJAAYGA/
weblog.rubyonrails.org/2019/3/13/Rails-4-2-5-1-5-1-6-2-have-been-released/