{"action":"Upgrade activesupport to 5.2.4.3 or later.","affected":[{"fixed":"5.2.4.3","introduced":"5.0.0"},{"fixed":"6.0.3.1","introduced":"6.0.0"}],"component":"activesupport","cve_ids":["CVE-2020-8165"],"ecosystem":"RubyGems","epss":0.45732,"exploited":false,"fixed_versions":["5.2.4.3","6.0.3.1"],"ghsa_id":"GHSA-2p68-f74v-9wc6","id":"tcs_01M5KEFZFFKM99YQ61MXYP3A4V","modified_at":"2025-05-09T22:03:05.053764Z","published_at":"2020-05-26T14:49:24Z","references":["https://osv.dev/vulnerability/GHSA-2p68-f74v-9wc6","https://nvd.nist.gov/vuln/detail/CVE-2020-8165","https://hackerone.com/reports/413388","https://github.com/rubysec/ruby-advisory-db/blob/master/gems/activesupport/CVE-2020-8165.yml","https://groups.google.com/forum/#!topic/rubyonrails-security/bv6fW4S0Y1c","https://groups.google.com/g/rubyonrails-security/c/bv6fW4S0Y1c","https://lists.debian.org/debian-lts-announce/2020/06/msg00022.html","https://lists.debian.org/debian-lts-announce/2020/07/msg00013.html","https://security.netapp.com/advisory/ntap-20250509-0002","https://weblog.rubyonrails.org/2020/5/18/Rails-5-2-4-3-and-6-0-3-1-have-been-released","https://www.debian.org/security/2020/dsa-4766","http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00031.html","http://lists.opensuse.org/opensuse-security-announce/2020-10/msg00034.html"],"severity":{"label":"critical","score":9.8},"sources":[{"source":"osv","source_id":"GHSA-2p68-f74v-9wc6","url":"https://osv.dev/vulnerability/GHSA-2p68-f74v-9wc6"}],"summary":"ActiveSupport potentially unintended unmarshalling of user-provided objects in MemCacheStore and RedisCacheStore"}