{"action":"Upgrade jsx-slack to 4.5.1 or later.","affected":[{"fixed":"4.5.1","introduced":"0"}],"component":"jsx-slack","cve_ids":["CVE-2021-43838"],"ecosystem":"npm","epss":0.01422,"exploited":false,"fixed_versions":["4.5.1"],"ghsa_id":"GHSA-55xv-f85c-248q","id":"tcs_01M5KF2QKZ6583JJB4JPQG6TZD","modified_at":"2026-07-08T06:26:54.469704888Z","published_at":"2021-12-17T19:59:02Z","references":["https://osv.dev/vulnerability/GHSA-55xv-f85c-248q","https://github.com/yhatt/jsx-slack/security/advisories/GHSA-55xv-f85c-248q","https://nvd.nist.gov/vuln/detail/CVE-2021-43838","https://github.com/yhatt/jsx-slack/commit/36e4a10405e4c7745333e245fcc5029c02c7065d","https://github.com/yhatt/jsx-slack"],"severity":{"label":"low","score":3.7},"sources":[{"source":"osv","source_id":"GHSA-55xv-f85c-248q","url":"https://osv.dev/vulnerability/GHSA-55xv-f85c-248q"}],"summary":"Regular Expression Denial of Service (ReDoS) in jsx-slack"}