actionpack is vulnerable to denial of service via a crafted HTTP Accept header (GHSA-ffpv-c4hm-3x6v)
Published: 2017-10-24T18:33:35Z
Aliases: CVE-2016-0751
Severity: HIGH · CWE: 

actionpack/lib/action_dispatch/http/mime_type.rb in Action Pack in Ruby on Rails before 3.2.22.1, 4.0.x and 4.1.x before 4.1.14.1, 4.2.x before 4.2.5.1, and 5.x before 5.0.0.beta1.1 does not properly restrict use of the MIME type cache, which allows remote attackers to cause a denial of service (memory consumption) via a crafted HTTP Accept header.

Affected packages:
package: ecosystem: RubyGems
name: actionpack
ranges: type: ECOSYSTEM
events: introduced: 4.2.0
fixed: 4.2.5.1
database_specific: last_known_affected_version_range: <= 4.2.5.0
package: ecosystem: RubyGems
name: actionpack
ranges: type: ECOSYSTEM
events: introduced: 0
fixed: 3.2.22.1
database_specific: last_known_affected_version_range: <= 3.2.22.0
package: ecosystem: RubyGems
name: actionpack
ranges: type: ECOSYSTEM
events: introduced: 4.0.0
fixed: 4.1.14.1
database_specific: last_known_affected_version_range: <= 4.1.14.0