{"action":"Upgrade mdex_native to 0.2.3 or later.","affected":[{"fixed":"0.2.3","introduced":"0.1.0"}],"component":"mdex_native","cve_ids":["CVE-2026-53429"],"ecosystem":"Hex","epss":0.0019,"exploited":false,"fixed_versions":["0.2.3"],"ghsa_id":"GHSA-cmvp-gp9f-23xw","id":"tcs_01M5N859ZCNTX6CWFYKDK0TZSQ","modified_at":"2026-07-30T18:22:02.126054Z","published_at":"2026-06-29T19:07:16.954Z","references":["https://osv.dev/vulnerability/EEF-CVE-2026-53429","https://github.com/leandrocp/mdex_native/security/advisories/GHSA-cmvp-gp9f-23xw","https://cna.erlef.org/cves/CVE-2026-53429.html","https://github.com/leandrocp/mdex_native/commit/cbd927fb5061b488de8d90a8ef6df65718ca1fe6","https://hex.pm/packages/mdex","https://hex.pm/packages/mdex_native"],"severity":{"label":"medium","score":6.9},"sources":[{"source":"osv","source_id":"EEF-CVE-2026-53429#Hex/mdex_native","url":"https://osv.dev/vulnerability/EEF-CVE-2026-53429"},{"source":"nvd","source_id":"CVE-2026-53429","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-53429"}],"summary":"Unbounded native memory leak in mdex escaped-tag rendering enables unauthenticated denial of service"}