{"action":"Upgrade github.com/argoproj/argo-cd/v2 to 2.8.13 or later.","affected":[{"fixed":"2.8.13","introduced":"0"},{"fixed":"2.9.9","introduced":"2.9.0"},{"fixed":"2.10.4","introduced":"2.10.0"}],"component":"github.com/argoproj/argo-cd/v2","cve_ids":["CVE-2024-21661"],"ecosystem":"Go","epss":0.01176,"exploited":false,"fixed_versions":["2.8.13","2.9.9","2.10.4"],"ghsa_id":"GHSA-6v85-wr92-q4p7","id":"tcs_01M5KF0VM2X39YD8AHATXF8SB7","modified_at":"2026-09-10T03:50:10.222682918Z","published_at":"2024-03-18T20:28:42Z","references":["https://osv.dev/vulnerability/GHSA-6v85-wr92-q4p7","https://github.com/argoproj/argo-cd/security/advisories/GHSA-6v85-wr92-q4p7","https://nvd.nist.gov/vuln/detail/CVE-2024-21661","https://github.com/argoproj/argo-cd/commit/2a22e19e06aaf6a1e734443043310a66c234e345","https://github.com/argoproj/argo-cd/commit/5bbb51ab423f273dda74ab956469843d2db2e208","https://github.com/argoproj/argo-cd/commit/ce04dc5c6f6e92033221ec6d96b74403b065ca8b","https://github.com/argoproj/argo-cd","https://github.com/argoproj/argo-cd/blob/54601c8fd30b86a4c4b7eb449956264372c8bde0/util/session/sessionmanager.go#L302-L311"],"severity":{"label":"high","score":7.5},"sources":[{"source":"osv","source_id":"GHSA-6v85-wr92-q4p7#Go/github.com/argoproj/argo-cd/v2","url":"https://osv.dev/vulnerability/GHSA-6v85-wr92-q4p7"}],"summary":"Denial of Service (DoS) Vulnerability Due to Unsafe Array Modification in Multi-threaded Environment"}